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Merge branch 'topic/line6' into for-next

This commit is contained in:
Takashi Iwai 2015-01-12 22:33:16 +01:00
parent 6c869d301b 61864d844c
commit 7bfb8575b8
223 changed files with 2537 additions and 1831 deletions
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1
.mailmap
View File

@ -51,6 +51,7 @@ Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman <greg@kroah.com>
Henk Vergonet <Henk.Vergonet@gmail.com>
Henrik Kretzschmar <henne@nachtwindheim.de>
Henrik Rydberg <rydberg@bitmath.org>
Herbert Xu <herbert@gondor.apana.org.au>
Jacob Shin <Jacob.Shin@amd.com>
James Bottomley <jejb@mulgrave.(none)>

13
MAINTAINERS
View File

@ -724,15 +724,15 @@ F: include/uapi/linux/apm_bios.h
F: drivers/char/apm-emulation.c
APPLE BCM5974 MULTITOUCH DRIVER
M: Henrik Rydberg <rydberg@euromail.se>
M: Henrik Rydberg <rydberg@bitmath.org>
L: linux-input@vger.kernel.org
S: Maintained
S: Odd fixes
F: drivers/input/mouse/bcm5974.c
APPLE SMC DRIVER
M: Henrik Rydberg <rydberg@euromail.se>
M: Henrik Rydberg <rydberg@bitmath.org>
L: lm-sensors@lm-sensors.org
S: Maintained
S: Odd fixes
F: drivers/hwmon/applesmc.c
APPLETALK NETWORK LAYER
@ -2259,6 +2259,7 @@ F: drivers/gpio/gpio-bt8xx.c
BTRFS FILE SYSTEM
M: Chris Mason <clm@fb.com>
M: Josef Bacik <jbacik@fb.com>
M: David Sterba <dsterba@suse.cz>
L: linux-btrfs@vger.kernel.org
W: http://btrfs.wiki.kernel.org/
Q: http://patchwork.kernel.org/project/linux-btrfs/list/
@ -4940,10 +4941,10 @@ F: include/uapi/linux/input.h
F: include/linux/input/
INPUT MULTITOUCH (MT) PROTOCOL
M: Henrik Rydberg <rydberg@euromail.se>
M: Henrik Rydberg <rydberg@bitmath.org>
L: linux-input@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rydberg/input-mt.git
S: Maintained
S: Odd fixes
F: Documentation/input/multi-touch-protocol.txt
F: drivers/input/input-mt.c
K: \b(ABS|SYN)_MT_

3
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 19
SUBLEVEL = 0
EXTRAVERSION = -rc3
EXTRAVERSION = -rc4
NAME = Diseased Newt
# *DOCUMENTATION*
@ -391,6 +391,7 @@ USERINCLUDE := \
# Needed to be compatible with the O= option
LINUXINCLUDE := \
-I$(srctree)/arch/$(hdr-arch)/include \
-Iarch/$(hdr-arch)/include/generated/uapi \
-Iarch/$(hdr-arch)/include/generated \
$(if $(KBUILD_SRC), -I$(srctree)/include) \
-Iinclude \

1
arch/arm/include/uapi/asm/unistd.h
View File

@ -413,6 +413,7 @@
#define __NR_getrandom (__NR_SYSCALL_BASE+384)
#define __NR_memfd_create (__NR_SYSCALL_BASE+385)
#define __NR_bpf (__NR_SYSCALL_BASE+386)
#define __NR_execveat (__NR_SYSCALL_BASE+387)
/*
* The following SWIs are ARM private.

1
arch/arm/kernel/calls.S
View File

@ -396,6 +396,7 @@
CALL(sys_getrandom)
/* 385 */ CALL(sys_memfd_create)
CALL(sys_bpf)
CALL(sys_execveat)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted

8
arch/arm/kernel/perf_regs.c
View File

@ -28,3 +28,11 @@ u64 perf_reg_abi(struct task_struct *task)
{
return PERF_SAMPLE_REGS_ABI_32;
}
void perf_get_regs_user(struct perf_regs *regs_user,
struct pt_regs *regs,
struct pt_regs *regs_user_copy)
{
regs_user->regs = task_pt_regs(current);
regs_user->abi = perf_reg_abi(current);
}

9
arch/arm/mm/dump.c
View File

@ -220,9 +220,6 @@ static void note_page(struct pg_state *st, unsigned long addr, unsigned level, u
static const char units[] = "KMGTPE";
u64 prot = val & pg_level[level].mask;
if (addr < USER_PGTABLES_CEILING)
return;
if (!st->level) {
st->level = level;
st->current_prot = prot;
@ -308,15 +305,13 @@ static void walk_pgd(struct seq_file *m)
pgd_t *pgd = swapper_pg_dir;
struct pg_state st;
unsigned long addr;
unsigned i, pgdoff = USER_PGTABLES_CEILING / PGDIR_SIZE;
unsigned i;
memset(&st, 0, sizeof(st));
st.seq = m;
st.marker = address_markers;
pgd += pgdoff;
for (i = pgdoff; i < PTRS_PER_PGD; i++, pgd++) {
for (i = 0; i < PTRS_PER_PGD; i++, pgd++) {
addr = i * PGDIR_SIZE;
if (!pgd_none(*pgd)) {
walk_pud(&st, pgd, addr);

4
arch/arm/mm/init.c
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@ -658,8 +658,8 @@ static struct section_perm ro_perms[] = {
.start = (unsigned long)_stext,
.end = (unsigned long)__init_begin,
#ifdef CONFIG_ARM_LPAE
.mask = ~PMD_SECT_RDONLY,
.prot = PMD_SECT_RDONLY,
.mask = ~L_PMD_SECT_RDONLY,
.prot = L_PMD_SECT_RDONLY,
#else
.mask = ~(PMD_SECT_APX | PMD_SECT_AP_WRITE),
.prot = PMD_SECT_APX | PMD_SECT_AP_WRITE,

4
arch/arm/mm/mmu.c
View File

@ -1329,8 +1329,8 @@ static void __init kmap_init(void)
static void __init map_lowmem(void)
{
struct memblock_region *reg;
unsigned long kernel_x_start = round_down(__pa(_stext), SECTION_SIZE);
unsigned long kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE);
phys_addr_t kernel_x_start = round_down(__pa(_stext), SECTION_SIZE);
phys_addr_t kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE);
/* Map all the lowmem memory banks. */
for_each_memblock(memory, reg) {

1
arch/arm64/include/asm/arch_timer.h
View File

@ -21,6 +21,7 @@
#include <asm/barrier.h>
#include <linux/bug.h>
#include <linux/init.h>
#include <linux/types.h>

5
arch/arm64/include/asm/cpu.h
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@ -39,6 +39,7 @@ struct cpuinfo_arm64 {
u64 reg_id_aa64pfr0;
u64 reg_id_aa64pfr1;
u32 reg_id_dfr0;
u32 reg_id_isar0;
u32 reg_id_isar1;
u32 reg_id_isar2;
@ -51,6 +52,10 @@ struct cpuinfo_arm64 {
u32 reg_id_mmfr3;
u32 reg_id_pfr0;
u32 reg_id_pfr1;
u32 reg_mvfr0;
u32 reg_mvfr1;
u32 reg_mvfr2;
};
DECLARE_PER_CPU(struct cpuinfo_arm64, cpu_data);

4
arch/arm64/include/asm/processor.h
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@ -31,6 +31,7 @@
#include <asm/fpsimd.h>
#include <asm/hw_breakpoint.h>
#include <asm/pgtable-hwdef.h>
#include <asm/ptrace.h>
#include <asm/types.h>
@ -123,9 +124,6 @@ struct task_struct;
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
/* Prepare to copy thread state - unlazy all lazy status */
#define prepare_to_copy(tsk) do { } while (0)
unsigned long get_wchan(struct task_struct *p);
#define cpu_relax() barrier()

2
arch/arm64/include/asm/unistd.h
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@ -44,7 +44,7 @@
#define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2)
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5)
#define __NR_compat_syscalls 386
#define __NR_compat_syscalls 387
#endif
#define __ARCH_WANT_SYS_CLONE

10
arch/arm64/kernel/cpuinfo.c
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@ -147,6 +147,7 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur)
* If we have AArch32, we care about 32-bit features for compat. These
* registers should be RES0 otherwise.
*/
diff |= CHECK(id_dfr0, boot, cur, cpu);
diff |= CHECK(id_isar0, boot, cur, cpu);
diff |= CHECK(id_isar1, boot, cur, cpu);
diff |= CHECK(id_isar2, boot, cur, cpu);
@ -165,6 +166,10 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur)
diff |= CHECK(id_pfr0, boot, cur, cpu);
diff |= CHECK(id_pfr1, boot, cur, cpu);
diff |= CHECK(mvfr0, boot, cur, cpu);
diff |= CHECK(mvfr1, boot, cur, cpu);
diff |= CHECK(mvfr2, boot, cur, cpu);
/*
* Mismatched CPU features are a recipe for disaster. Don't even
* pretend to support them.
@ -189,6 +194,7 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
info->reg_id_aa64pfr0 = read_cpuid(ID_AA64PFR0_EL1);
info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1);
info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1);
info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1);
info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1);
info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1);
@ -202,6 +208,10 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1);
info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1);
info->reg_mvfr0 = read_cpuid(MVFR0_EL1);
info->reg_mvfr1 = read_cpuid(MVFR1_EL1);
info->reg_mvfr2 = read_cpuid(MVFR2_EL1);
cpuinfo_detect_icache_policy(info);
check_local_cpu_errata();

2
arch/arm64/kernel/efi.c
View File

@ -326,6 +326,7 @@ void __init efi_idmap_init(void)
/* boot time idmap_pg_dir is incomplete, so fill in missing parts */
efi_setup_idmap();
early_memunmap(memmap.map, memmap.map_end - memmap.map);
}
static int __init remap_region(efi_memory_desc_t *md, void **new)
@ -380,7 +381,6 @@ static int __init arm64_enter_virtual_mode(void)
}
mapsize = memmap.map_end - memmap.map;
early_memunmap(memmap.map, mapsize);
if (efi_runtime_disabled()) {
pr_info("EFI runtime services will be disabled.\n");

1
arch/arm64/kernel/module.c
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@ -25,6 +25,7 @@
#include <linux/mm.h>
#include <linux/moduleloader.h>
#include <linux/vmalloc.h>
#include <asm/alternative.h>
#include <asm/insn.h>
#include <asm/sections.h>

8
arch/arm64/kernel/perf_regs.c
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@ -50,3 +50,11 @@ u64 perf_reg_abi(struct task_struct *task)
else
return PERF_SAMPLE_REGS_ABI_64;
}
void perf_get_regs_user(struct perf_regs *regs_user,
struct pt_regs *regs,
struct pt_regs *regs_user_copy)
{
regs_user->regs = task_pt_regs(current);
regs_user->abi = perf_reg_abi(current);
}

1
arch/arm64/kernel/setup.c
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@ -402,6 +402,7 @@ void __init setup_arch(char **cmdline_p)
request_standard_resources();
efi_idmap_init();
early_ioremap_reset();
unflatten_device_tree();

1
arch/arm64/kernel/smp_spin_table.c
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@ -25,6 +25,7 @@
#include <asm/cacheflush.h>
#include <asm/cpu_ops.h>
#include <asm/cputype.h>
#include <asm/io.h>
#include <asm/smp_plat.h>
extern void secondary_holding_pen(void);

1
arch/blackfin/mach-bf533/boards/stamp.c
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@ -7,6 +7,7 @@
*/
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

9
arch/ia64/kernel/acpi.c
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@ -893,13 +893,13 @@ static int _acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
}
/* wrapper to silence section mismatch warning */
int __ref acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
int __ref acpi_map_cpu(acpi_handle handle, int physid, int *pcpu)
{
return _acpi_map_lsapic(handle, physid, pcpu);
}
EXPORT_SYMBOL(acpi_map_lsapic);
EXPORT_SYMBOL(acpi_map_cpu);
int acpi_unmap_lsapic(int cpu)
int acpi_unmap_cpu(int cpu)
{
ia64_cpu_to_sapicid[cpu] = -1;
set_cpu_present(cpu, false);
@ -910,8 +910,7 @@ int acpi_unmap_lsapic(int cpu)
return (0);
}
EXPORT_SYMBOL(acpi_unmap_lsapic);
EXPORT_SYMBOL(acpi_unmap_cpu);
#endif /* CONFIG_ACPI_HOTPLUG_CPU */
#ifdef CONFIG_ACPI_NUMA

1
arch/x86/boot/Makefile
View File

@ -51,6 +51,7 @@ targets += cpustr.h
$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
$(call if_changed,cpustr)
endif
clean-files += cpustr.h
# ---------------------------------------------------------------------------

2
arch/x86/crypto/Makefile
View File

@ -26,7 +26,6 @@ obj-$(CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL) += ghash-clmulni-intel.o
obj-$(CONFIG_CRYPTO_CRC32C_INTEL) += crc32c-intel.o
obj-$(CONFIG_CRYPTO_SHA1_SSSE3) += sha1-ssse3.o
obj-$(CONFIG_CRYPTO_SHA1_MB) += sha-mb/
obj-$(CONFIG_CRYPTO_CRC32_PCLMUL) += crc32-pclmul.o
obj-$(CONFIG_CRYPTO_SHA256_SSSE3) += sha256-ssse3.o
obj-$(CONFIG_CRYPTO_SHA512_SSSE3) += sha512-ssse3.o
@ -46,6 +45,7 @@ endif
ifeq ($(avx2_supported),yes)
obj-$(CONFIG_CRYPTO_CAMELLIA_AESNI_AVX2_X86_64) += camellia-aesni-avx2.o
obj-$(CONFIG_CRYPTO_SERPENT_AVX2_X86_64) += serpent-avx2.o
obj-$(CONFIG_CRYPTO_SHA1_MB) += sha-mb/
endif
aes-i586-y := aes-i586-asm_32.o aes_glue.o

46
arch/x86/crypto/aes_ctrby8_avx-x86_64.S
View File

@ -208,7 +208,7 @@ ddq_add_8:
.if (klen == KEY_128)
.if (load_keys)
vmovdqa 3*16(p_keys), xkeyA
vmovdqa 3*16(p_keys), xkey4
.endif
.else
vmovdqa 3*16(p_keys), xkeyA
@ -224,7 +224,7 @@ ddq_add_8:
add $(16*by), p_in
.if (klen == KEY_128)
vmovdqa 4*16(p_keys), xkey4
vmovdqa 4*16(p_keys), xkeyB
.else
.if (load_keys)
vmovdqa 4*16(p_keys), xkey4
@ -234,7 +234,12 @@ ddq_add_8:
.set i, 0
.rept by
club XDATA, i
vaesenc xkeyA, var_xdata, var_xdata /* key 3 */
/* key 3 */
.if (klen == KEY_128)
vaesenc xkey4, var_xdata, var_xdata
.else
vaesenc xkeyA, var_xdata, var_xdata
.endif
.set i, (i +1)
.endr
@ -243,13 +248,18 @@ ddq_add_8:
.set i, 0
.rept by
club XDATA, i
vaesenc xkey4, var_xdata, var_xdata /* key 4 */
/* key 4 */
.if (klen == KEY_128)
vaesenc xkeyB, var_xdata, var_xdata
.else
vaesenc xkey4, var_xdata, var_xdata
.endif
.set i, (i +1)
.endr
.if (klen == KEY_128)
.if (load_keys)
vmovdqa 6*16(p_keys), xkeyB
vmovdqa 6*16(p_keys), xkey8
.endif
.else
vmovdqa 6*16(p_keys), xkeyB
@ -267,12 +277,17 @@ ddq_add_8:
.set i, 0
.rept by
club XDATA, i
vaesenc xkeyB, var_xdata, var_xdata /* key 6 */
/* key 6 */
.if (klen == KEY_128)
vaesenc xkey8, var_xdata, var_xdata
.else
vaesenc xkeyB, var_xdata, var_xdata
.endif
.set i, (i +1)
.endr
.if (klen == KEY_128)
vmovdqa 8*16(p_keys), xkey8
vmovdqa 8*16(p_keys), xkeyB
.else
.if (load_keys)
vmovdqa 8*16(p_keys), xkey8
@ -288,7 +303,7 @@ ddq_add_8:
.if (klen == KEY_128)
.if (load_keys)
vmovdqa 9*16(p_keys), xkeyA
vmovdqa 9*16(p_keys), xkey12
.endif
.else
vmovdqa 9*16(p_keys), xkeyA
@ -297,7 +312,12 @@ ddq_add_8:
.set i, 0
.rept by
club XDATA, i
vaesenc xkey8, var_xdata, var_xdata /* key 8 */
/* key 8 */
.if (klen == KEY_128)
vaesenc xkeyB, var_xdata, var_xdata
.else
vaesenc xkey8, var_xdata, var_xdata
.endif
.set i, (i +1)
.endr
@ -306,7 +326,12 @@ ddq_add_8:
.set i, 0
.rept by
club XDATA, i
vaesenc xkeyA, var_xdata, var_xdata /* key 9 */
/* key 9 */
.if (klen == KEY_128)
vaesenc xkey12, var_xdata, var_xdata
.else
vaesenc xkeyA, var_xdata, var_xdata
.endif
.set i, (i +1)
.endr
@ -412,7 +437,6 @@ ddq_add_8:
/* main body of aes ctr load */
.macro do_aes_ctrmain key_len
cmp $16, num_bytes
jb .Ldo_return2\key_len

6
arch/x86/include/asm/vgtod.h
View File

@ -80,9 +80,11 @@ static inline unsigned int __getcpu(void)
/*
* Load per CPU data from GDT. LSL is faster than RDTSCP and
* works on all CPUs.
* works on all CPUs. This is volatile so that it orders
* correctly wrt barrier() and to keep gcc from cleverly
* hoisting it out of the calling function.
*/
asm("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG));
asm volatile ("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG));
return p;
}

9
arch/x86/kernel/acpi/boot.c
View File

@ -750,13 +750,13 @@ static int _acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
}
/* wrapper to silence section mismatch warning */
int __ref acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu)
int __ref acpi_map_cpu(acpi_handle handle, int physid, int *pcpu)
{
return _acpi_map_lsapic(handle, physid, pcpu);
}
EXPORT_SYMBOL(acpi_map_lsapic);
EXPORT_SYMBOL(acpi_map_cpu);
int acpi_unmap_lsapic(int cpu)
int acpi_unmap_cpu(int cpu)
{
#ifdef CONFIG_ACPI_NUMA
set_apicid_to_node(per_cpu(x86_cpu_to_apicid, cpu), NUMA_NO_NODE);
@ -768,8 +768,7 @@ int acpi_unmap_lsapic(int cpu)
return (0);
}
EXPORT_SYMBOL(acpi_unmap_lsapic);
EXPORT_SYMBOL(acpi_unmap_cpu);
#endif /* CONFIG_ACPI_HOTPLUG_CPU */
int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)

1
arch/x86/kernel/cpu/Makefile
View File

@ -66,3 +66,4 @@ targets += capflags.c
$(obj)/capflags.c: $(cpufeature) $(src)/mkcapflags.sh FORCE
$(call if_changed,mkcapflags)
endif
clean-files += capflags.c

2
arch/x86/kernel/cpu/mkcapflags.sh
View File

@ -28,7 +28,7 @@ function dump_array()
# If the /* comment */ starts with a quote string, grab that.
VALUE="$(echo "$i" | sed -n 's@.*/\* *\("[^"]*"\).*\*/@\1@p')"
[ -z "$VALUE" ] && VALUE="\"$NAME\""
[ "$VALUE" == '""' ] && continue
[ "$VALUE" = '""' ] && continue
# Name is uppercase, VALUE is all lowercase
VALUE="$(echo "$VALUE" | tr A-Z a-z)"

2
arch/x86/kernel/cpu/perf_event_intel_uncore.h
View File

@ -17,7 +17,7 @@
#define UNCORE_PCI_DEV_TYPE(data) ((data >> 8) & 0xff)
#define UNCORE_PCI_DEV_IDX(data) (data & 0xff)
#define UNCORE_EXTRA_PCI_DEV 0xff
#define UNCORE_EXTRA_PCI_DEV_MAX 2
#define UNCORE_EXTRA_PCI_DEV_MAX 3
/* support up to 8 sockets */
#define UNCORE_SOCKET_MAX 8

17
arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
View File

@ -891,6 +891,7 @@ void snbep_uncore_cpu_init(void)
enum {
SNBEP_PCI_QPI_PORT0_FILTER,
SNBEP_PCI_QPI_PORT1_FILTER,
HSWEP_PCI_PCU_3,
};
static int snbep_qpi_hw_config(struct intel_uncore_box *box, struct perf_event *event)
@ -2026,6 +2027,17 @@ void hswep_uncore_cpu_init(void)
{
if (hswep_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores)
hswep_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores;
/* Detect 6-8 core systems with only two SBOXes */
if (uncore_extra_pci_dev[0][HSWEP_PCI_PCU_3]) {
u32 capid4;
pci_read_config_dword(uncore_extra_pci_dev[0][HSWEP_PCI_PCU_3],
0x94, &capid4);
if (((capid4 >> 6) & 0x3) == 0)
hswep_uncore_sbox.num_boxes = 2;
}
uncore_msr_uncores = hswep_msr_uncores;
}
@ -2287,6 +2299,11 @@ static DEFINE_PCI_DEVICE_TABLE(hswep_uncore_pci_ids) = {
.driver_data = UNCORE_PCI_DEV_DATA(UNCORE_EXTRA_PCI_DEV,
SNBEP_PCI_QPI_PORT1_FILTER),
},
{ /* PCU.3 (for Capability registers) */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x2fc0),
.driver_data = UNCORE_PCI_DEV_DATA(UNCORE_EXTRA_PCI_DEV,
HSWEP_PCI_PCU_3),
},
{ /* end: all zeroes */ }
};

90
arch/x86/kernel/perf_regs.c
View File

@ -78,6 +78,14 @@ u64 perf_reg_abi(struct task_struct *task)
{
return PERF_SAMPLE_REGS_ABI_32;
}
void perf_get_regs_user(struct perf_regs *regs_user,
struct pt_regs *regs,
struct pt_regs *regs_user_copy)
{
regs_user->regs = task_pt_regs(current);
regs_user->abi = perf_reg_abi(current);
}
#else /* CONFIG_X86_64 */
#define REG_NOSUPPORT ((1ULL << PERF_REG_X86_DS) | \
(1ULL << PERF_REG_X86_ES) | \
@ -102,4 +110,86 @@ u64 perf_reg_abi(struct task_struct *task)
else
return PERF_SAMPLE_REGS_ABI_64;
}
void perf_get_regs_user(struct perf_regs *regs_user,
struct pt_regs *regs,
struct pt_regs *regs_user_copy)
{
struct pt_regs *user_regs = task_pt_regs(current);
/*
* If we're in an NMI that interrupted task_pt_regs setup, then
* we can't sample user regs at all. This check isn't really
* sufficient, though, as we could be in an NMI inside an interrupt
* that happened during task_pt_regs setup.
*/
if (regs->sp > (unsigned long)&user_regs->r11 &&
regs->sp <= (unsigned long)(user_regs + 1)) {
regs_user->abi = PERF_SAMPLE_REGS_ABI_NONE;
regs_user->regs = NULL;
return;
}
/*
* RIP, flags, and the argument registers are usually saved.
* orig_ax is probably okay, too.
*/
regs_user_copy->ip = user_regs->ip;
regs_user_copy->cx = user_regs->cx;
regs_user_copy->dx = user_regs->dx;
regs_user_copy->si = user_regs->si;
regs_user_copy->di = user_regs->di;
regs_user_copy->r8 = user_regs->r8;
regs_user_copy->r9 = user_regs->r9;
regs_user_copy->r10 = user_regs->r10;
regs_user_copy->r11 = user_regs->r11;
regs_user_copy->orig_ax = user_regs->orig_ax;
regs_user_copy->flags = user_regs->flags;
/*
* Don't even try to report the "rest" regs.
*/
regs_user_copy->bx = -1;
regs_user_copy->bp = -1;
regs_user_copy->r12 = -1;
regs_user_copy->r13 = -1;
regs_user_copy->r14 = -1;
regs_user_copy->r15 = -1;
/*
* For this to be at all useful, we need a reasonable guess for
* sp and the ABI. Be careful: we're in NMI context, and we're
* considering current to be the current task, so we should
* be careful not to look at any other percpu variables that might
* change during context switches.
*/
if (IS_ENABLED(CONFIG_IA32_EMULATION) &&
task_thread_info(current)->status & TS_COMPAT) {
/* Easy case: we're in a compat syscall. */
regs_user->abi = PERF_SAMPLE_REGS_ABI_32;
regs_user_copy->sp = user_regs->sp;
regs_user_copy->cs = user_regs->cs;
regs_user_copy->ss = user_regs->ss;
} else if (user_regs->orig_ax != -1) {
/*
* We're probably in a 64-bit syscall.
* Warning: this code is severely racy. At least it's better
* than just blindly copying user_regs.
*/
regs_user->abi = PERF_SAMPLE_REGS_ABI_64;
regs_user_copy->sp = this_cpu_read(old_rsp);
regs_user_copy->cs = __USER_CS;
regs_user_copy->ss = __USER_DS;
regs_user_copy->cx = -1; /* usually contains garbage */
} else {
/* We're probably in an interrupt or exception. */
regs_user->abi = user_64bit_mode(user_regs) ?
PERF_SAMPLE_REGS_ABI_64 : PERF_SAMPLE_REGS_ABI_32;
regs_user_copy->sp = user_regs->sp;
regs_user_copy->cs = user_regs->cs;
regs_user_copy->ss = user_regs->ss;
}
regs_user->regs = regs_user_copy;
}
#endif /* CONFIG_X86_32 */

2
arch/x86/lib/insn.c
View File

@ -28,7 +28,7 @@
/* Verify next sizeof(t) bytes can be on the same instruction */
#define validate_next(t, insn, n) \
((insn)->next_byte + sizeof(t) + n < (insn)->end_kaddr)
((insn)->next_byte + sizeof(t) + n <= (insn)->end_kaddr)
#define __get_next(t, insn) \
({ t r = *(t*)insn->next_byte; insn->next_byte += sizeof(t); r; })

37
arch/x86/mm/init.c
View File

@ -438,20 +438,20 @@ static unsigned long __init init_range_memory_mapping(
static unsigned long __init get_new_step_size(unsigned long step_size)
{
/*
* Explain why we shift by 5 and why we don't have to worry about
* 'step_size << 5' overflowing:
*
* initial mapped size is PMD_SIZE (2M).
* Initial mapped size is PMD_SIZE (2M).
* We can not set step_size to be PUD_SIZE (1G) yet.
* In worse case, when we cross the 1G boundary, and
* PG_LEVEL_2M is not set, we will need 1+1+512 pages (2M + 8k)
* to map 1G range with PTE. Use 5 as shift for now.
* to map 1G range with PTE. Hence we use one less than the
* difference of page table level shifts.
*
* Don't need to worry about overflow, on 32bit, when step_size
* is 0, round_down() returns 0 for start, and that turns it
* into 0x100000000ULL.
* Don't need to worry about overflow in the top-down case, on 32bit,
* when step_size is 0, round_down() returns 0 for start, and that
* turns it into 0x100000000ULL.
* In the bottom-up case, round_up(x, 0) returns 0 though too, which
* needs to be taken into consideration by the code below.
*/
return step_size << 5;
return step_size << (PMD_SHIFT - PAGE_SHIFT - 1);
}
/**
@ -471,7 +471,6 @@ static void __init memory_map_top_down(unsigned long map_start,
unsigned long step_size;
unsigned long addr;
unsigned long mapped_ram_size = 0;
unsigned long new_mapped_ram_size;
/* xen has big range in reserved near end of ram, skip it at first.*/
addr = memblock_find_in_range(map_start, map_end, PMD_SIZE, PMD_SIZE);
@ -496,14 +495,12 @@ static void __init memory_map_top_down(unsigned long map_start,
start = map_start;
} else
start = map_start;
new_mapped_ram_size = init_range_memory_mapping(start,
mapped_ram_size += init_range_memory_mapping(start,
last_start);
last_start = start;
min_pfn_mapped = last_start >> PAGE_SHIFT;
/* only increase step_size after big range get mapped */
if (new_mapped_ram_size > mapped_ram_size)
if (mapped_ram_size >= step_size)
step_size = get_new_step_size(step_size);
mapped_ram_size += new_mapped_ram_size;
}
if (real_end < map_end)
@ -524,7 +521,7 @@ static void __init memory_map_top_down(unsigned long map_start,
static void __init memory_map_bottom_up(unsigned long map_start,
unsigned long map_end)
{
unsigned long next, new_mapped_ram_size, start;
unsigned long next, start;
unsigned long mapped_ram_size = 0;
/* step_size need to be small so pgt_buf from BRK could cover it */
unsigned long step_size = PMD_SIZE;
@ -539,19 +536,19 @@ static void __init memory_map_bottom_up(unsigned long map_start,
* for page table.
*/
while (start < map_end) {
if (map_end - start > step_size) {
if (step_size && map_end - start > step_size) {
next = round_up(start + 1, step_size);
if (next > map_end)
next = map_end;
} else
} else {
next = map_end;
}
new_mapped_ram_size = init_range_memory_mapping(start, next);
mapped_ram_size += init_range_memory_mapping(start, next);
start = next;
if (new_mapped_ram_size > mapped_ram_size)
if (mapped_ram_size >= step_size)
step_size = get_new_step_size(step_size);
mapped_ram_size += new_mapped_ram_size;
}
}

45
arch/x86/vdso/vma.c
View File

@ -41,12 +41,17 @@ void __init init_vdso_image(const struct vdso_image *image)
struct linux_binprm;
/* Put the vdso above the (randomized) stack with another randomized offset.
This way there is no hole in the middle of address space.
To save memory make sure it is still in the same PTE as the stack top.
This doesn't give that many random bits.
Only used for the 64-bit and x32 vdsos. */
/*
* Put the vdso above the (randomized) stack with another randomized
* offset. This way there is no hole in the middle of address space.
* To save memory make sure it is still in the same PTE as the stack
* top. This doesn't give that many random bits.
*
* Note that this algorithm is imperfect: the distribution of the vdso
* start address within a PMD is biased toward the end.
*
* Only used for the 64-bit and x32 vdsos.
*/
static unsigned long vdso_addr(unsigned long start, unsigned len)
{
#ifdef CONFIG_X86_32
@ -54,22 +59,30 @@ static unsigned long vdso_addr(unsigned long start, unsigned len)
#else
unsigned long addr, end;
unsigned offset;
end = (start + PMD_SIZE - 1) & PMD_MASK;
/*
* Round up the start address. It can start out unaligned as a result
* of stack start randomization.
*/
start = PAGE_ALIGN(start);
/* Round the lowest possible end address up to a PMD boundary. */
end = (start + len + PMD_SIZE - 1) & PMD_MASK;
if (end >= TASK_SIZE_MAX)
end = TASK_SIZE_MAX;
end -= len;
/* This loses some more bits than a modulo, but is cheaper */
offset = get_random_int() & (PTRS_PER_PTE - 1);
addr = start + (offset << PAGE_SHIFT);
if (addr >= end)
addr = end;
if (end > start) {
offset = get_random_int() % (((end - start) >> PAGE_SHIFT) + 1);
addr = start + (offset << PAGE_SHIFT);
} else {
addr = start;
}
/*
* page-align it here so that get_unmapped_area doesn't
* align it wrongfully again to the next page. addr can come in 4K
* unaligned here as a result of stack start randomization.
* Forcibly align the final address in case we have a hardware
* issue that requires alignment for performance reasons.
*/
addr = PAGE_ALIGN(addr);
addr = align_vdso_addr(addr);
return addr;

6
drivers/Makefile
View File

@ -50,7 +50,10 @@ obj-$(CONFIG_RESET_CONTROLLER) += reset/
obj-y += tty/
obj-y += char/
# gpu/ comes after char for AGP vs DRM startup
# iommu/ comes before gpu as gpu are using iommu controllers
obj-$(CONFIG_IOMMU_SUPPORT) += iommu/
# gpu/ comes after char for AGP vs DRM startup and after iommu
obj-y += gpu/
obj-$(CONFIG_CONNECTOR) += connector/
@ -141,7 +144,6 @@ obj-y += clk/
obj-$(CONFIG_MAILBOX) += mailbox/
obj-$(CONFIG_HWSPINLOCK) += hwspinlock/
obj-$(CONFIG_IOMMU_SUPPORT) += iommu/
obj-$(CONFIG_REMOTEPROC) += remoteproc/
obj-$(CONFIG_RPMSG) += rpmsg/

25
drivers/acpi/acpi_processor.c
View File

@ -170,7 +170,7 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr)
acpi_status status;
int ret;
if (pr->apic_id == -1)
if (pr->phys_id == -1)
return -ENODEV;
status = acpi_evaluate_integer(pr->handle, "_STA", NULL, &sta);
@ -180,13 +180,13 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr)
cpu_maps_update_begin();
cpu_hotplug_begin();
ret = acpi_map_lsapic(pr->handle, pr->apic_id, &pr->id);
ret = acpi_map_cpu(pr->handle, pr->phys_id, &pr->id);
if (ret)
goto out;
ret = arch_register_cpu(pr->id);
if (ret) {
acpi_unmap_lsapic(pr->id);
acpi_unmap_cpu(pr->id);
goto out;
}
@ -215,7 +215,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
union acpi_object object = { 0 };
struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
struct acpi_processor *pr = acpi_driver_data(device);
int apic_id, cpu_index, device_declaration = 0;
int phys_id, cpu_index, device_declaration = 0;
acpi_status status = AE_OK;
static int cpu0_initialized;
unsigned long long value;
@ -262,15 +262,18 @@ static int acpi_processor_get_info(struct acpi_device *device)
pr->acpi_id = value;
}
apic_id = acpi_get_apicid(pr->handle, device_declaration, pr->acpi_id);
if (apic_id < 0)
acpi_handle_debug(pr->handle, "failed to get CPU APIC ID.\n");
pr->apic_id = apic_id;
phys_id = acpi_get_phys_id(pr->handle, device_declaration, pr->acpi_id);
if (phys_id < 0)
acpi_handle_debug(pr->handle, "failed to get CPU physical ID.\n");
pr->phys_id = phys_id;
cpu_index = acpi_map_cpuid(pr->apic_id, pr->acpi_id);
cpu_index = acpi_map_cpuid(pr->phys_id, pr->acpi_id);
if (!cpu0_initialized && !acpi_has_cpu_in_madt()) {
cpu0_initialized = 1;
/* Handle UP system running SMP kernel, with no LAPIC in MADT */
/*
* Handle UP system running SMP kernel, with no CPU
* entry in MADT
*/
if ((cpu_index == -1) && (num_online_cpus() == 1))
cpu_index = 0;
}
@ -458,7 +461,7 @@ static void acpi_processor_remove(struct acpi_device *device)
/* Remove the CPU. */
arch_unregister_cpu(pr->id);
acpi_unmap_lsapic(pr->id);
acpi_unmap_cpu(pr->id);
cpu_hotplug_done();
cpu_maps_update_done();

2
drivers/acpi/device_pm.c
View File

@ -257,7 +257,7 @@ int acpi_bus_init_power(struct acpi_device *device)
device->power.state = ACPI_STATE_UNKNOWN;
if (!acpi_device_is_present(device))
return 0;
return -ENXIO;
result = acpi_device_get_power(device, &state);
if (result)

56
drivers/acpi/processor_core.c
View File

@ -69,7 +69,7 @@ static int map_madt_entry(int type, u32 acpi_id)
unsigned long madt_end, entry;
static struct acpi_table_madt *madt;
static int read_madt;
int apic_id = -1;
int phys_id = -1; /* CPU hardware ID */
if (!read_madt) {
if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
@ -79,7 +79,7 @@ static int map_madt_entry(int type, u32 acpi_id)
}
if (!madt)
return apic_id;
return phys_id;
entry = (unsigned long)madt;
madt_end = entry + madt->header.length;
@ -91,18 +91,18 @@ static int map_madt_entry(int type, u32 acpi_id)
struct acpi_subtable_header *header =
(struct acpi_subtable_header *)entry;
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
if (!map_lapic_id(header, acpi_id, &apic_id))
if (!map_lapic_id(header, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
if (!map_x2apic_id(header, type, acpi_id, &apic_id))
if (!map_x2apic_id(header, type, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
if (!map_lsapic_id(header, type, acpi_id, &apic_id))
if (!map_lsapic_id(header, type, acpi_id, &phys_id))
break;
}
entry += header->length;
}
return apic_id;
return phys_id;
}
static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
@ -110,7 +110,7 @@ static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
struct acpi_subtable_header *header;
int apic_id = -1;
int phys_id = -1;
if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
goto exit;
@ -126,38 +126,38 @@ static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
header = (struct acpi_subtable_header *)obj->buffer.pointer;
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC)
map_lapic_id(header, acpi_id, &apic_id);
map_lapic_id(header, acpi_id, &phys_id);
else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC)
map_lsapic_id(header, type, acpi_id, &apic_id);
map_lsapic_id(header, type, acpi_id, &phys_id);
else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC)
map_x2apic_id(header, type, acpi_id, &apic_id);
map_x2apic_id(header, type, acpi_id, &phys_id);
exit:
kfree(buffer.pointer);
return apic_id;
return phys_id;
}
int acpi_get_apicid(acpi_handle handle, int type, u32 acpi_id)
int acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id)
{
int apic_id;
int phys_id;
apic_id = map_mat_entry(handle, type, acpi_id);
if (apic_id == -1)
apic_id = map_madt_entry(type, acpi_id);
phys_id = map_mat_entry(handle, type, acpi_id);
if (phys_id == -1)
phys_id = map_madt_entry(type, acpi_id);
return apic_id;
return phys_id;
}
int acpi_map_cpuid(int apic_id, u32 acpi_id)
int acpi_map_cpuid(int phys_id, u32 acpi_id)
{
#ifdef CONFIG_SMP
int i;
#endif
if (apic_id == -1) {
if (phys_id == -1) {
/*
* On UP processor, there is no _MAT or MADT table.
* So above apic_id is always set to -1.
* So above phys_id is always set to -1.
*
* BIOS may define multiple CPU handles even for UP processor.
* For example,
@ -170,7 +170,7 @@ int acpi_map_cpuid(int apic_id, u32 acpi_id)
* Processor (CPU3, 0x03, 0x00000410, 0x06) {}
* }
*
* Ignores apic_id and always returns 0 for the processor
* Ignores phys_id and always returns 0 for the processor
* handle with acpi id 0 if nr_cpu_ids is 1.
* This should be the case if SMP tables are not found.
* Return -1 for other CPU's handle.
@ -178,28 +178,28 @@ int acpi_map_cpuid(int apic_id, u32 acpi_id)
if (nr_cpu_ids <= 1 && acpi_id == 0)
return acpi_id;
else
return apic_id;
return phys_id;
}
#ifdef CONFIG_SMP
for_each_possible_cpu(i) {
if (cpu_physical_id(i) == apic_id)
if (cpu_physical_id(i) == phys_id)
return i;
}
#else
/* In UP kernel, only processor 0 is valid */
if (apic_id == 0)
return apic_id;
if (phys_id == 0)
return phys_id;
#endif
return -1;
}
int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
{
int apic_id;
int phys_id;
apic_id = acpi_get_apicid(handle, type, acpi_id);
phys_id = acpi_get_phys_id(handle, type, acpi_id);
return acpi_map_cpuid(apic_id, acpi_id);
return acpi_map_cpuid(phys_id, acpi_id);
}
EXPORT_SYMBOL_GPL(acpi_get_cpuid);

13
drivers/acpi/scan.c
View File

@ -1001,7 +1001,7 @@ static void acpi_free_power_resources_lists(struct acpi_device *device)
if (device->wakeup.flags.valid)
acpi_power_resources_list_free(&device->wakeup.resources);
if (!device->flags.power_manageable)
if (!device->power.flags.power_resources)
return;
for (i = ACPI_STATE_D0; i <= ACPI_STATE_D3_HOT; i++) {
@ -1744,10 +1744,8 @@ static void acpi_bus_get_power_flags(struct acpi_device *device)
device->power.flags.power_resources)
device->power.states[ACPI_STATE_D3_COLD].flags.os_accessible = 1;
if (acpi_bus_init_power(device)) {
acpi_free_power_resources_lists(device);
if (acpi_bus_init_power(device))
device->flags.power_manageable = 0;
}
}
static void acpi_bus_get_flags(struct acpi_device *device)
@ -2371,13 +2369,18 @@ static void acpi_bus_attach(struct acpi_device *device)
/* Skip devices that are not present. */
if (!acpi_device_is_present(device)) {
device->flags.visited = false;
device->flags.power_manageable = 0;
return;
}
if (device->handler)
goto ok;
if (!device->flags.initialized) {
acpi_bus_update_power(device, NULL);
device->flags.power_manageable =
device->power.states[ACPI_STATE_D0].flags.valid;
if (acpi_bus_init_power(device))
device->flags.power_manageable = 0;
device->flags.initialized = true;
}
device->flags.visited = false;

10
drivers/acpi/video.c
View File

@ -522,6 +522,16 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"),
},
},
{
/* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */
.callback = video_disable_native_backlight,
.ident = "Dell XPS15 L521X",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "XPS L521X"),
},
},
{}
};

3
drivers/char/ipmi/ipmi_ssif.c
View File

@ -969,7 +969,8 @@ static void sender(void *send_info,
do_gettimeofday(&t);
pr_info("**Enqueue %02x %02x: %ld.%6.6ld\n",
msg->data[0], msg->data[1], t.tv_sec, t.tv_usec);
msg->data[0], msg->data[1],
(long) t.tv_sec, (long) t.tv_usec);
}
}

2
drivers/gpu/drm/Makefile
View File

@ -37,6 +37,7 @@ obj-$(CONFIG_DRM_MIPI_DSI) += drm_mipi_dsi.o
obj-$(CONFIG_DRM_TTM) += ttm/
obj-$(CONFIG_DRM_TDFX) += tdfx/
obj-$(CONFIG_DRM_R128) += r128/
obj-$(CONFIG_HSA_AMD) += amd/amdkfd/
obj-$(CONFIG_DRM_RADEON)+= radeon/
obj-$(CONFIG_DRM_MGA) += mga/
obj-$(CONFIG_DRM_I810) += i810/
@ -67,4 +68,3 @@ obj-$(CONFIG_DRM_IMX) += imx/
obj-y += i2c/
obj-y += panel/
obj-y += bridge/
obj-$(CONFIG_HSA_AMD) += amd/amdkfd/

318
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
View File

@ -31,7 +31,6 @@
#include <uapi/linux/kfd_ioctl.h>
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/uaccess.h>
#include <uapi/asm-generic/mman-common.h>
#include <asm/processor.h>
#include "kfd_priv.h"
@ -127,17 +126,14 @@ static int kfd_open(struct inode *inode, struct file *filep)
return 0;
}
static long kfd_ioctl_get_version(struct file *filep, struct kfd_process *p,
void __user *arg)
static int kfd_ioctl_get_version(struct file *filep, struct kfd_process *p,
void *data)
{
struct kfd_ioctl_get_version_args args;
struct kfd_ioctl_get_version_args *args = data;
int err = 0;
args.major_version = KFD_IOCTL_MAJOR_VERSION;
args.minor_version = KFD_IOCTL_MINOR_VERSION;
if (copy_to_user(arg, &args, sizeof(args)))
err = -EFAULT;
args->major_version = KFD_IOCTL_MAJOR_VERSION;
args->minor_version = KFD_IOCTL_MINOR_VERSION;
return err;
}
@ -221,10 +217,10 @@ static int set_queue_properties_from_user(struct queue_properties *q_properties,
return 0;
}
static long kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p,
void __user *arg)
static int kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p,
void *data)
{
struct kfd_ioctl_create_queue_args args;
struct kfd_ioctl_create_queue_args *args = data;
struct kfd_dev *dev;
int err = 0;
unsigned int queue_id;
@ -233,16 +229,13 @@ static long kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p,
memset(&q_properties, 0, sizeof(struct queue_properties));
if (copy_from_user(&args, arg, sizeof(args)))
return -EFAULT;
pr_debug("kfd: creating queue ioctl\n");
err = set_queue_properties_from_user(&q_properties, &args);
err = set_queue_properties_from_user(&q_properties, args);
if (err)
return err;
dev = kfd_device_by_id(args.gpu_id);
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
return -EINVAL;
@ -250,7 +243,7 @@ static long kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p,
pdd = kfd_bind_process_to_device(dev, p);
if (IS_ERR(pdd)) {
err = PTR_ERR(pdd);
err = -ESRCH;
goto err_bind_process;
}
@ -263,33 +256,26 @@ static long kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p,
if (err != 0)
goto err_create_queue;
args.queue_id = queue_id;
args->queue_id = queue_id;
/* Return gpu_id as doorbell offset for mmap usage */
args.doorbell_offset = args.gpu_id << PAGE_SHIFT;
if (copy_to_user(arg, &args, sizeof(args))) {
err = -EFAULT;
goto err_copy_args_out;
}
args->doorbell_offset = args->gpu_id << PAGE_SHIFT;
mutex_unlock(&p->mutex);
pr_debug("kfd: queue id %d was created successfully\n", args.queue_id);
pr_debug("kfd: queue id %d was created successfully\n", args->queue_id);
pr_debug("ring buffer address == 0x%016llX\n",
args.ring_base_address);
args->ring_base_address);
pr_debug("read ptr address == 0x%016llX\n",
args.read_pointer_address);
args->read_pointer_address);
pr_debug("write ptr address == 0x%016llX\n",
args.write_pointer_address);
args->write_pointer_address);
return 0;
err_copy_args_out:
pqm_destroy_queue(&p->pqm, queue_id);
err_create_queue:
err_bind_process:
mutex_unlock(&p->mutex);
@ -297,99 +283,90 @@ err_bind_process:
}
static int kfd_ioctl_destroy_queue(struct file *filp, struct kfd_process *p,
void __user *arg)
void *data)
{
int retval;
struct kfd_ioctl_destroy_queue_args args;
if (copy_from_user(&args, arg, sizeof(args)))
return -EFAULT;
struct kfd_ioctl_destroy_queue_args *args = data;
pr_debug("kfd: destroying queue id %d for PASID %d\n",
args.queue_id,
args->queue_id,
p->pasid);
mutex_lock(&p->mutex);
retval = pqm_destroy_queue(&p->pqm, args.queue_id);
retval = pqm_destroy_queue(&p->pqm, args->queue_id);
mutex_unlock(&p->mutex);
return retval;
}
static int kfd_ioctl_update_queue(struct file *filp, struct kfd_process *p,
void __user *arg)
void *data)
{
int retval;
struct kfd_ioctl_update_queue_args args;
struct kfd_ioctl_update_queue_args *args = data;
struct queue_properties properties;
if (copy_from_user(&args, arg, sizeof(args)))
return -EFAULT;
if (args.queue_percentage > KFD_MAX_QUEUE_PERCENTAGE) {
if (args->queue_percentage > KFD_MAX_QUEUE_PERCENTAGE) {
pr_err("kfd: queue percentage must be between 0 to KFD_MAX_QUEUE_PERCENTAGE\n");
return -EINVAL;
}
if (args.queue_priority > KFD_MAX_QUEUE_PRIORITY) {
if (args->queue_priority > KFD_MAX_QUEUE_PRIORITY) {
pr_err("kfd: queue priority must be between 0 to KFD_MAX_QUEUE_PRIORITY\n");
return -EINVAL;
}
if ((args.ring_base_address) &&
if ((args->ring_base_address) &&
(!access_ok(VERIFY_WRITE,
(const void __user *) args.ring_base_address,
(const void __user *) args->ring_base_address,
sizeof(uint64_t)))) {
pr_err("kfd: can't access ring base address\n");
return -EFAULT;
}
if (!is_power_of_2(args.ring_size) && (args.ring_size != 0)) {
if (!is_power_of_2(args->ring_size) && (args->ring_size != 0)) {
pr_err("kfd: ring size must be a power of 2 or 0\n");
return -EINVAL;
}
properties.queue_address = args.ring_base_address;
properties.queue_size = args.ring_size;
properties.queue_percent = args.queue_percentage;
properties.priority = args.queue_priority;
properties.queue_address = args->ring_base_address;
properties.queue_size = args->ring_size;
properties.queue_percent = args->queue_percentage;
properties.priority = args->queue_priority;
pr_debug("kfd: updating queue id %d for PASID %d\n",
args.queue_id, p->pasid);
args->queue_id, p->pasid);
mutex_lock(&p->mutex);
retval = pqm_update_queue(&p->pqm, args.queue_id, &properties);
retval = pqm_update_queue(&p->pqm, args->queue_id, &properties);
mutex_unlock(&p->mutex);
return retval;
}
static long kfd_ioctl_set_memory_policy(struct file *filep,
struct kfd_process *p, void __user *arg)
static int kfd_ioctl_set_memory_policy(struct file *filep,
struct kfd_process *p, void *data)
{
struct kfd_ioctl_set_memory_policy_args args;
struct kfd_ioctl_set_memory_policy_args *args = data;
struct kfd_dev *dev;
int err = 0;
struct kfd_process_device *pdd;
enum cache_policy default_policy, alternate_policy;
if (copy_from_user(&args, arg, sizeof(args)))
return -EFAULT;
if (args.default_policy != KFD_IOC_CACHE_POLICY_COHERENT
&& args.default_policy != KFD_IOC_CACHE_POLICY_NONCOHERENT) {
if (args->default_policy != KFD_IOC_CACHE_POLICY_COHERENT
&& args->default_policy != KFD_IOC_CACHE_POLICY_NONCOHERENT) {
return -EINVAL;
}
if (args.alternate_policy != KFD_IOC_CACHE_POLICY_COHERENT
&& args.alternate_policy != KFD_IOC_CACHE_POLICY_NONCOHERENT) {
if (args->alternate_policy != KFD_IOC_CACHE_POLICY_COHERENT
&& args->alternate_policy != KFD_IOC_CACHE_POLICY_NONCOHERENT) {
return -EINVAL;
}
dev = kfd_device_by_id(args.gpu_id);
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
return -EINVAL;
@ -397,23 +374,23 @@ static long kfd_ioctl_set_memory_policy(struct file *filep,
pdd = kfd_bind_process_to_device(dev, p);
if (IS_ERR(pdd)) {
err = PTR_ERR(pdd);
err = -ESRCH;
goto out;
}
default_policy = (args.default_policy == KFD_IOC_CACHE_POLICY_COHERENT)
default_policy = (args->default_policy == KFD_IOC_CACHE_POLICY_COHERENT)
? cache_policy_coherent : cache_policy_noncoherent;
alternate_policy =
(args.alternate_policy == KFD_IOC_CACHE_POLICY_COHERENT)
(args->alternate_policy == KFD_IOC_CACHE_POLICY_COHERENT)
? cache_policy_coherent : cache_policy_noncoherent;
if (!dev->dqm->set_cache_memory_policy(dev->dqm,
&pdd->qpd,
default_policy,
alternate_policy,
(void __user *)args.alternate_aperture_base,
args.alternate_aperture_size))
(void __user *)args->alternate_aperture_base,
args->alternate_aperture_size))
err = -EINVAL;
out:
@ -422,53 +399,44 @@ out:
return err;
}
static long kfd_ioctl_get_clock_counters(struct file *filep,
struct kfd_process *p, void __user *arg)
static int kfd_ioctl_get_clock_counters(struct file *filep,
struct kfd_process *p, void *data)
{
struct kfd_ioctl_get_clock_counters_args args;
struct kfd_ioctl_get_clock_counters_args *args = data;
struct kfd_dev *dev;
struct timespec time;
if (copy_from_user(&args, arg, sizeof(args)))
return -EFAULT;
dev = kfd_device_by_id(args.gpu_id);
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
return -EINVAL;
/* Reading GPU clock counter from KGD */
args.gpu_clock_counter = kfd2kgd->get_gpu_clock_counter(dev->kgd);
args->gpu_clock_counter = kfd2kgd->get_gpu_clock_counter(dev->kgd);
/* No access to rdtsc. Using raw monotonic time */
getrawmonotonic(&time);
args.cpu_clock_counter = (uint64_t)timespec_to_ns(&time);
args->cpu_clock_counter = (uint64_t)timespec_to_ns(&time);
get_monotonic_boottime(&time);
args.system_clock_counter = (uint64_t)timespec_to_ns(&time);
args->system_clock_counter = (uint64_t)timespec_to_ns(&time);
/* Since the counter is in nano-seconds we use 1GHz frequency */
args.system_clock_freq = 1000000000;
if (copy_to_user(arg, &args, sizeof(args)))
return -EFAULT;
args->system_clock_freq = 1000000000;
return 0;
}
static int kfd_ioctl_get_process_apertures(struct file *filp,
struct kfd_process *p, void __user *arg)
struct kfd_process *p, void *data)
{
struct kfd_ioctl_get_process_apertures_args args;
struct kfd_ioctl_get_process_apertures_args *args = data;
struct kfd_process_device_apertures *pAperture;
struct kfd_process_device *pdd;
dev_dbg(kfd_device, "get apertures for PASID %d", p->pasid);
if (copy_from_user(&args, arg, sizeof(args)))
return -EFAULT;
args.num_of_nodes = 0;
args->num_of_nodes = 0;
mutex_lock(&p->mutex);
@ -477,7 +445,8 @@ static int kfd_ioctl_get_process_apertures(struct file *filp,
/* Run over all pdd of the process */
pdd = kfd_get_first_process_device_data(p);
do {
pAperture = &args.process_apertures[args.num_of_nodes];
pAperture =
&args->process_apertures[args->num_of_nodes];
pAperture->gpu_id = pdd->dev->id;
pAperture->lds_base = pdd->lds_base;
pAperture->lds_limit = pdd->lds_limit;
@ -487,7 +456,7 @@ static int kfd_ioctl_get_process_apertures(struct file *filp,
pAperture->scratch_limit = pdd->scratch_limit;
dev_dbg(kfd_device,
"node id %u\n", args.num_of_nodes);
"node id %u\n", args->num_of_nodes);
dev_dbg(kfd_device,
"gpu id %u\n", pdd->dev->id);
dev_dbg(kfd_device,
@ -503,80 +472,131 @@ static int kfd_ioctl_get_process_apertures(struct file *filp,
dev_dbg(kfd_device,
"scratch_limit %llX\n", pdd->scratch_limit);
args.num_of_nodes++;
args->num_of_nodes++;
} while ((pdd = kfd_get_next_process_device_data(p, pdd)) != NULL &&
(args.num_of_nodes < NUM_OF_SUPPORTED_GPUS));
(args->num_of_nodes < NUM_OF_SUPPORTED_GPUS));
}
mutex_unlock(&p->mutex);
if (copy_to_user(arg, &args, sizeof(args)))
return -EFAULT;
return 0;
}
#define AMDKFD_IOCTL_DEF(ioctl, _func, _flags) \
[_IOC_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0, .name = #ioctl}
/** Ioctl table */
static const struct amdkfd_ioctl_desc amdkfd_ioctls[] = {
AMDKFD_IOCTL_DEF(AMDKFD_IOC_GET_VERSION,
kfd_ioctl_get_version, 0),
AMDKFD_IOCTL_DEF(AMDKFD_IOC_CREATE_QUEUE,
kfd_ioctl_create_queue, 0),
AMDKFD_IOCTL_DEF(AMDKFD_IOC_DESTROY_QUEUE,
kfd_ioctl_destroy_queue, 0),
AMDKFD_IOCTL_DEF(AMDKFD_IOC_SET_MEMORY_POLICY,
kfd_ioctl_set_memory_policy, 0),
AMDKFD_IOCTL_DEF(AMDKFD_IOC_GET_CLOCK_COUNTERS,
kfd_ioctl_get_clock_counters, 0),
AMDKFD_IOCTL_DEF(AMDKFD_IOC_GET_PROCESS_APERTURES,
kfd_ioctl_get_process_apertures, 0),
AMDKFD_IOCTL_DEF(AMDKFD_IOC_UPDATE_QUEUE,
kfd_ioctl_update_queue, 0),
};
#define AMDKFD_CORE_IOCTL_COUNT ARRAY_SIZE(amdkfd_ioctls)
static long kfd_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
{
struct kfd_process *process;
long err = -EINVAL;
amdkfd_ioctl_t *func;
const struct amdkfd_ioctl_desc *ioctl = NULL;
unsigned int nr = _IOC_NR(cmd);
char stack_kdata[128];
char *kdata = NULL;
unsigned int usize, asize;
int retcode = -EINVAL;
dev_dbg(kfd_device,
"ioctl cmd 0x%x (#%d), arg 0x%lx\n",
cmd, _IOC_NR(cmd), arg);
if (nr >= AMDKFD_CORE_IOCTL_COUNT)
goto err_i1;
if ((nr >= AMDKFD_COMMAND_START) && (nr < AMDKFD_COMMAND_END)) {
u32 amdkfd_size;
ioctl = &amdkfd_ioctls[nr];
amdkfd_size = _IOC_SIZE(ioctl->cmd);
usize = asize = _IOC_SIZE(cmd);
if (amdkfd_size > asize)
asize = amdkfd_size;
cmd = ioctl->cmd;
} else
goto err_i1;
dev_dbg(kfd_device, "ioctl cmd 0x%x (#%d), arg 0x%lx\n", cmd, nr, arg);
process = kfd_get_process(current);
if (IS_ERR(process))
return PTR_ERR(process);
switch (cmd) {
case KFD_IOC_GET_VERSION:
err = kfd_ioctl_get_version(filep, process, (void __user *)arg);
break;
case KFD_IOC_CREATE_QUEUE:
err = kfd_ioctl_create_queue(filep, process,
(void __user *)arg);
break;
case KFD_IOC_DESTROY_QUEUE:
err = kfd_ioctl_destroy_queue(filep, process,
(void __user *)arg);
break;
case KFD_IOC_SET_MEMORY_POLICY:
err = kfd_ioctl_set_memory_policy(filep, process,
(void __user *)arg);
break;
case KFD_IOC_GET_CLOCK_COUNTERS:
err = kfd_ioctl_get_clock_counters(filep, process,
(void __user *)arg);
break;
case KFD_IOC_GET_PROCESS_APERTURES:
err = kfd_ioctl_get_process_apertures(filep, process,
(void __user *)arg);
break;
case KFD_IOC_UPDATE_QUEUE:
err = kfd_ioctl_update_queue(filep, process,
(void __user *)arg);
break;
default:
dev_err(kfd_device,
"unknown ioctl cmd 0x%x, arg 0x%lx)\n",
cmd, arg);
err = -EINVAL;
break;
if (IS_ERR(process)) {
dev_dbg(kfd_device, "no process\n");
goto err_i1;
}
if (err < 0)
dev_err(kfd_device,
"ioctl error %ld for ioctl cmd 0x%x (#%d)\n",
err, cmd, _IOC_NR(cmd));
/* Do not trust userspace, use our own definition */
func = ioctl->func;
return err;
if (unlikely(!func)) {
dev_dbg(kfd_device, "no function\n");
retcode = -EINVAL;
goto err_i1;
}
if (cmd & (IOC_IN | IOC_OUT)) {
if (asize <= sizeof(stack_kdata)) {
kdata = stack_kdata;
} else {
kdata = kmalloc(asize, GFP_KERNEL);
if (!kdata) {
retcode = -ENOMEM;
goto err_i1;
}
}
if (asize > usize)
memset(kdata + usize, 0, asize - usize);
}
if (cmd & IOC_IN) {
if (copy_from_user(kdata, (void __user *)arg, usize) != 0) {
retcode = -EFAULT;
goto err_i1;
}
} else if (cmd & IOC_OUT) {
memset(kdata, 0, usize);
}
retcode = func(filep, process, kdata);
if (cmd & IOC_OUT)
if (copy_to_user((void __user *)arg, kdata, usize) != 0)
retcode = -EFAULT;
err_i1:
if (!ioctl)
dev_dbg(kfd_device, "invalid ioctl: pid=%d, cmd=0x%02x, nr=0x%02x\n",
task_pid_nr(current), cmd, nr);
if (kdata != stack_kdata)
kfree(kdata);
if (retcode)
dev_dbg(kfd_device, "ret = %d\n", retcode);
return retcode;
}
static int kfd_mmap(struct file *filp, struct vm_area_struct *vma)

28
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
View File

@ -161,6 +161,9 @@ static void deallocate_vmid(struct device_queue_manager *dqm,
{
int bit = qpd->vmid - KFD_VMID_START_OFFSET;
/* Release the vmid mapping */
set_pasid_vmid_mapping(dqm, 0, qpd->vmid);
set_bit(bit, (unsigned long *)&dqm->vmid_bitmap);
qpd->vmid = 0;
q->properties.vmid = 0;
@ -272,6 +275,18 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm,
return retval;
}
pr_debug("kfd: loading mqd to hqd on pipe (%d) queue (%d)\n",
q->pipe,
q->queue);
retval = mqd->load_mqd(mqd, q->mqd, q->pipe,
q->queue, q->properties.write_ptr);
if (retval != 0) {
deallocate_hqd(dqm, q);
mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj);
return retval;
}
return 0;
}
@ -320,6 +335,7 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
{
int retval;
struct mqd_manager *mqd;
bool prev_active = false;
BUG_ON(!dqm || !q || !q->mqd);
@ -330,10 +346,18 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
return -ENOMEM;
}
retval = mqd->update_mqd(mqd, q->mqd, &q->properties);
if (q->properties.is_active == true)
prev_active = true;
/*
*
* check active state vs. the previous state
* and modify counter accordingly
*/
retval = mqd->update_mqd(mqd, q->mqd, &q->properties);
if ((q->properties.is_active == true) && (prev_active == false))
dqm->queue_count++;
else
else if ((q->properties.is_active == false) && (prev_active == true))
dqm->queue_count--;
if (sched_policy != KFD_SCHED_POLICY_NO_HWS)

2
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
View File

@ -184,7 +184,7 @@ static bool is_occupied(struct mqd_manager *mm, void *mqd,
uint32_t queue_id)
{
return kfd2kgd->hqd_is_occupies(mm->dev->kgd, queue_address,
return kfd2kgd->hqd_is_occupied(mm->dev->kgd, queue_address,
pipe_id, queue_id);
}

2
drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
View File

@ -32,7 +32,7 @@ int kfd_pasid_init(void)
{
pasid_limit = max_num_of_processes;
pasid_bitmap = kzalloc(BITS_TO_LONGS(pasid_limit), GFP_KERNEL);
pasid_bitmap = kcalloc(BITS_TO_LONGS(pasid_limit), sizeof(long), GFP_KERNEL);
if (!pasid_bitmap)
return -ENOMEM;

18
drivers/gpu/drm/amd/amdkfd/kfd_priv.h
View File

@ -463,6 +463,24 @@ struct kfd_process {
bool is_32bit_user_mode;
};
/**
* Ioctl function type.
*
* \param filep pointer to file structure.
* \param p amdkfd process pointer.
* \param data pointer to arg that was copied from user.
*/
typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p,
void *data);
struct amdkfd_ioctl_desc {
unsigned int cmd;
int flags;
amdkfd_ioctl_t *func;
unsigned int cmd_drv;
const char *name;
};
void kfd_process_create_wq(void);
void kfd_process_destroy_wq(void);
struct kfd_process *kfd_create_process(const struct task_struct *);

2
drivers/gpu/drm/amd/amdkfd/kfd_topology.c
View File

@ -921,7 +921,7 @@ static int kfd_build_sysfs_node_tree(void)
uint32_t i = 0;
list_for_each_entry(dev, &topology_device_list, list) {
ret = kfd_build_sysfs_node_entry(dev, 0);
ret = kfd_build_sysfs_node_entry(dev, i);
if (ret < 0)
return ret;
i++;

2
drivers/gpu/drm/amd/include/kgd_kfd_interface.h
View File

@ -183,7 +183,7 @@ struct kfd2kgd_calls {
int (*hqd_load)(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
uint32_t queue_id, uint32_t __user *wptr);
bool (*hqd_is_occupies)(struct kgd_dev *kgd, uint64_t queue_address,
bool (*hqd_is_occupied)(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id);
int (*hqd_destroy)(struct kgd_dev *kgd, uint32_t reset_type,

2
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1756,8 +1756,6 @@ struct drm_i915_private {
*/
struct workqueue_struct *dp_wq;
uint32_t bios_vgacntr;
/* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
struct {
int (*do_execbuf)(struct drm_device *dev, struct drm_file *file,

8
drivers/gpu/drm/i915/i915_gem.c
View File

@ -1048,6 +1048,7 @@ int
i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_pwrite *args = data;
struct drm_i915_gem_object *obj;
int ret;
@ -1067,9 +1068,11 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
return -EFAULT;
}
intel_runtime_pm_get(dev_priv);
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
goto put_rpm;
obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
if (&obj->base == NULL) {
@ -1121,6 +1124,9 @@ out:
drm_gem_object_unreference(&obj->base);
unlock:
mutex_unlock(&dev->struct_mutex);
put_rpm:
intel_runtime_pm_put(dev_priv);
return ret;
}

6
drivers/gpu/drm/i915/i915_irq.c
View File

@ -3725,8 +3725,6 @@ static bool i8xx_handle_vblank(struct drm_device *dev,
if ((iir & flip_pending) == 0)
goto check_page_flip;
intel_prepare_page_flip(dev, plane);
/* We detect FlipDone by looking for the change in PendingFlip from '1'
* to '0' on the following vblank, i.e. IIR has the Pendingflip
* asserted following the MI_DISPLAY_FLIP, but ISR is deasserted, hence
@ -3736,6 +3734,7 @@ static bool i8xx_handle_vblank(struct drm_device *dev,
if (I915_READ16(ISR) & flip_pending)
goto check_page_flip;
intel_prepare_page_flip(dev, plane);
intel_finish_page_flip(dev, pipe);
return true;
@ -3907,8 +3906,6 @@ static bool i915_handle_vblank(struct drm_device *dev,
if ((iir & flip_pending) == 0)
goto check_page_flip;
intel_prepare_page_flip(dev, plane);
/* We detect FlipDone by looking for the change in PendingFlip from '1'
* to '0' on the following vblank, i.e. IIR has the Pendingflip
* asserted following the MI_DISPLAY_FLIP, but ISR is deasserted, hence
@ -3918,6 +3915,7 @@ static bool i915_handle_vblank(struct drm_device *dev,
if (I915_READ(ISR) & flip_pending)
goto check_page_flip;
intel_prepare_page_flip(dev, plane);
intel_finish_page_flip(dev, pipe);
return true;

8
drivers/gpu/drm/i915/intel_display.c
View File

@ -13057,11 +13057,7 @@ static void i915_disable_vga(struct drm_device *dev)
vga_put(dev->pdev, VGA_RSRC_LEGACY_IO);
udelay(300);
/*
* Fujitsu-Siemens Lifebook S6010 (830) has problems resuming
* from S3 without preserving (some of?) the other bits.
*/
I915_WRITE(vga_reg, dev_priv->bios_vgacntr | VGA_DISP_DISABLE);
I915_WRITE(vga_reg, VGA_DISP_DISABLE);
POSTING_READ(vga_reg);
}
@ -13146,8 +13142,6 @@ void intel_modeset_init(struct drm_device *dev)
intel_shared_dpll_init(dev);
/* save the BIOS value before clobbering it */
dev_priv->bios_vgacntr = I915_READ(i915_vgacntrl_reg(dev));
/* Just disable it once at startup */
i915_disable_vga(dev);
intel_setup_outputs(dev);

27
drivers/gpu/drm/i915/intel_runtime_pm.c
View File

@ -615,29 +615,6 @@ static void chv_pipe_power_well_disable(struct drm_i915_private *dev_priv,
vlv_power_sequencer_reset(dev_priv);
}
static void check_power_well_state(struct drm_i915_private *dev_priv,
struct i915_power_well *power_well)
{
bool enabled = power_well->ops->is_enabled(dev_priv, power_well);
if (power_well->always_on || !i915.disable_power_well) {
if (!enabled)
goto mismatch;
return;
}
if (enabled != (power_well->count > 0))
goto mismatch;
return;
mismatch:
WARN(1, "state mismatch for '%s' (always_on %d hw state %d use-count %d disable_power_well %d\n",
power_well->name, power_well->always_on, enabled,
power_well->count, i915.disable_power_well);
}
/**
* intel_display_power_get - grab a power domain reference
* @dev_priv: i915 device instance
@ -669,8 +646,6 @@ void intel_display_power_get(struct drm_i915_private *dev_priv,
power_well->ops->enable(dev_priv, power_well);
power_well->hw_enabled = true;
}
check_power_well_state(dev_priv, power_well);
}
power_domains->domain_use_count[domain]++;
@ -709,8 +684,6 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
power_well->hw_enabled = false;
power_well->ops->disable(dev_priv, power_well);
}
check_power_well_state(dev_priv, power_well);
}
mutex_unlock(&power_domains->lock);

4
drivers/gpu/drm/nouveau/core/core/event.c
View File

@ -26,7 +26,7 @@
void
nvkm_event_put(struct nvkm_event *event, u32 types, int index)
{
BUG_ON(!spin_is_locked(&event->refs_lock));
assert_spin_locked(&event->refs_lock);
while (types) {
int type = __ffs(types); types &= ~(1 << type);
if (--event->refs[index * event->types_nr + type] == 0) {
@ -39,7 +39,7 @@ nvkm_event_put(struct nvkm_event *event, u32 types, int index)
void
nvkm_event_get(struct nvkm_event *event, u32 types, int index)
{
BUG_ON(!spin_is_locked(&event->refs_lock));
assert_spin_locked(&event->refs_lock);
while (types) {
int type = __ffs(types); types &= ~(1 << type);
if (++event->refs[index * event->types_nr + type] == 1) {

2
drivers/gpu/drm/nouveau/core/core/notify.c
View File

@ -98,7 +98,7 @@ nvkm_notify_send(struct nvkm_notify *notify, void *data, u32 size)
struct nvkm_event *event = notify->event;
unsigned long flags;
BUG_ON(!spin_is_locked(&event->list_lock));
assert_spin_locked(&event->list_lock);
BUG_ON(size != notify->size);
spin_lock_irqsave(&event->refs_lock, flags);

33
drivers/gpu/drm/nouveau/core/engine/device/nve0.c
View File

@ -249,6 +249,39 @@ nve0_identify(struct nouveau_device *device)
device->oclass[NVDEV_ENGINE_PPP ] = &nvc0_ppp_oclass;
device->oclass[NVDEV_ENGINE_PERFMON] = &nvf0_perfmon_oclass;
break;
case 0x106:
device->cname = "GK208B";
device->oclass[NVDEV_SUBDEV_VBIOS ] = &nouveau_bios_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = nve0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = nve0_i2c_oclass;
device->oclass[NVDEV_SUBDEV_FUSE ] = &gf100_fuse_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nve0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nvd0_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = nvc0_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = gk20a_mc_oclass;
device->oclass[NVDEV_SUBDEV_BUS ] = nvc0_bus_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_FB ] = nve0_fb_oclass;
device->oclass[NVDEV_SUBDEV_LTC ] = gk104_ltc_oclass;
device->oclass[NVDEV_SUBDEV_IBUS ] = &nve0_ibus_oclass;
device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass;
device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass;
device->oclass[NVDEV_SUBDEV_PWR ] = nv108_pwr_oclass;
device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass;
device->oclass[NVDEV_ENGINE_DMAOBJ ] = nvd0_dmaeng_oclass;
device->oclass[NVDEV_ENGINE_FIFO ] = nv108_fifo_oclass;
device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass;
device->oclass[NVDEV_ENGINE_GR ] = nv108_graph_oclass;
device->oclass[NVDEV_ENGINE_DISP ] = nvf0_disp_oclass;
device->oclass[NVDEV_ENGINE_COPY0 ] = &nve0_copy0_oclass;
device->oclass[NVDEV_ENGINE_COPY1 ] = &nve0_copy1_oclass;
device->oclass[NVDEV_ENGINE_COPY2 ] = &nve0_copy2_oclass;
device->oclass[NVDEV_ENGINE_BSP ] = &nve0_bsp_oclass;
device->oclass[NVDEV_ENGINE_VP ] = &nve0_vp_oclass;
device->oclass[NVDEV_ENGINE_PPP ] = &nvc0_ppp_oclass;
break;
case 0x108:
device->cname = "GK208";
device->oclass[NVDEV_SUBDEV_VBIOS ] = &nouveau_bios_oclass;

6
drivers/gpu/drm/nouveau/core/subdev/bios/shadowramin.c
View File

@ -44,8 +44,10 @@ static void
pramin_fini(void *data)
{
struct priv *priv = data;
nv_wr32(priv->bios, 0x001700, priv->bar0);
kfree(priv);
if (priv) {
nv_wr32(priv->bios, 0x001700, priv->bar0);
kfree(priv);
}
}
static void *

65
drivers/gpu/drm/nouveau/core/subdev/fb/ramnvaa.c
View File

@ -24,34 +24,71 @@
#include "nv50.h"
struct nvaa_ram_priv {
struct nouveau_ram base;
u64 poller_base;
};
static int
nvaa_ram_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 datasize,
struct nouveau_object **pobject)
{
const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */
const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */
u32 rsvd_head = ( 256 * 1024); /* vga memory */
u32 rsvd_tail = (1024 * 1024); /* vbios etc */
struct nouveau_fb *pfb = nouveau_fb(parent);
struct nouveau_ram *ram;
struct nvaa_ram_priv *priv;
int ret;
ret = nouveau_ram_create(parent, engine, oclass, &ram);
*pobject = nv_object(ram);
ret = nouveau_ram_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
ram->size = nv_rd32(pfb, 0x10020c);
ram->size = (ram->size & 0xffffff00) | ((ram->size & 0x000000ff) << 32);
priv->base.type = NV_MEM_TYPE_STOLEN;
priv->base.stolen = (u64)nv_rd32(pfb, 0x100e10) << 12;
priv->base.size = (u64)nv_rd32(pfb, 0x100e14) << 12;
ret = nouveau_mm_init(&pfb->vram, rsvd_head, (ram->size >> 12) -
(rsvd_head + rsvd_tail), 1);
rsvd_tail += 0x1000;
priv->poller_base = priv->base.size - rsvd_tail;
ret = nouveau_mm_init(&pfb->vram, rsvd_head >> 12,
(priv->base.size - (rsvd_head + rsvd_tail)) >> 12,
1);
if (ret)
return ret;
ram->type = NV_MEM_TYPE_STOLEN;
ram->stolen = (u64)nv_rd32(pfb, 0x100e10) << 12;
ram->get = nv50_ram_get;
ram->put = nv50_ram_put;
priv->base.get = nv50_ram_get;
priv->base.put = nv50_ram_put;
return 0;
}
static int
nvaa_ram_init(struct nouveau_object *object)
{
struct nouveau_fb *pfb = nouveau_fb(object);
struct nvaa_ram_priv *priv = (void *)object;
int ret;
u64 dniso, hostnb, flush;
ret = nouveau_ram_init(&priv->base);
if (ret)
return ret;
dniso = ((priv->base.size - (priv->poller_base + 0x00)) >> 5) - 1;
hostnb = ((priv->base.size - (priv->poller_base + 0x20)) >> 5) - 1;
flush = ((priv->base.size - (priv->poller_base + 0x40)) >> 5) - 1;
/* Enable NISO poller for various clients and set their associated
* read address, only for MCP77/78 and MCP79/7A. (fd#25701)
*/
nv_wr32(pfb, 0x100c18, dniso);
nv_mask(pfb, 0x100c14, 0x00000000, 0x00000001);
nv_wr32(pfb, 0x100c1c, hostnb);
nv_mask(pfb, 0x100c14, 0x00000000, 0x00000002);
nv_wr32(pfb, 0x100c24, flush);
nv_mask(pfb, 0x100c14, 0x00000000, 0x00010000);
return 0;
}
@ -60,7 +97,7 @@ nvaa_ram_oclass = {
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nvaa_ram_ctor,
.dtor = _nouveau_ram_dtor,
.init = _nouveau_ram_init,
.init = nvaa_ram_init,
.fini = _nouveau_ram_fini,
},
};

8
drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c
View File

@ -24,13 +24,6 @@
#include "nv04.h"
static void
nv4c_mc_msi_rearm(struct nouveau_mc *pmc)
{
struct nv04_mc_priv *priv = (void *)pmc;
nv_wr08(priv, 0x088050, 0xff);
}
struct nouveau_oclass *
nv4c_mc_oclass = &(struct nouveau_mc_oclass) {
.base.handle = NV_SUBDEV(MC, 0x4c),
@ -41,5 +34,4 @@ nv4c_mc_oclass = &(struct nouveau_mc_oclass) {
.fini = _nouveau_mc_fini,
},
.intr = nv04_mc_intr,
.msi_rearm = nv4c_mc_msi_rearm,
}.base;

4
drivers/gpu/drm/nouveau/nouveau_bo.c
View File

@ -1572,8 +1572,10 @@ nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm)
* so use the DMA API for them.
*/
if (!nv_device_is_cpu_coherent(device) &&
ttm->caching_state == tt_uncached)
ttm->caching_state == tt_uncached) {
ttm_dma_unpopulate(ttm_dma, dev->dev);
return;
}
#if __OS_HAS_AGP
if (drm->agp.stat == ENABLED) {

37
drivers/gpu/drm/nouveau/nouveau_gem.c
View File

@ -36,7 +36,14 @@ void
nouveau_gem_object_del(struct drm_gem_object *gem)
{
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct ttm_buffer_object *bo = &nvbo->bo;
struct device *dev = drm->dev->dev;
int ret;
ret = pm_runtime_get_sync(dev);
if (WARN_ON(ret < 0 && ret != -EACCES))
return;
if (gem->import_attach)
drm_prime_gem_destroy(gem, nvbo->bo.sg);
@ -46,6 +53,9 @@ nouveau_gem_object_del(struct drm_gem_object *gem)
/* reset filp so nouveau_bo_del_ttm() can test for it */
gem->filp = NULL;
ttm_bo_unref(&bo);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
}
int
@ -53,7 +63,9 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct nouveau_vma *vma;
struct device *dev = drm->dev->dev;
int ret;
if (!cli->vm)
@ -71,11 +83,16 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
goto out;
}
ret = nouveau_bo_vma_add(nvbo, cli->vm, vma);
if (ret) {
kfree(vma);
ret = pm_runtime_get_sync(dev);
if (ret < 0 && ret != -EACCES)
goto out;
}
ret = nouveau_bo_vma_add(nvbo, cli->vm, vma);
if (ret)
kfree(vma);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
} else {
vma->refcount++;
}
@ -129,6 +146,8 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct device *dev = drm->dev->dev;
struct nouveau_vma *vma;
int ret;
@ -141,8 +160,14 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
vma = nouveau_bo_vma_find(nvbo, cli->vm);
if (vma) {
if (--vma->refcount == 0)
nouveau_gem_object_unmap(nvbo, vma);
if (--vma->refcount == 0) {
ret = pm_runtime_get_sync(dev);
if (!WARN_ON(ret < 0 && ret != -EACCES)) {
nouveau_gem_object_unmap(nvbo, vma);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
}
}
}
ttm_bo_unreserve(&nvbo->bo);
}

8
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -1851,10 +1851,9 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
return pll;
}
/* otherwise, pick one of the plls */
if ((rdev->family == CHIP_KAVERI) ||
(rdev->family == CHIP_KABINI) ||
if ((rdev->family == CHIP_KABINI) ||
(rdev->family == CHIP_MULLINS)) {
/* KB/KV/ML has PPLL1 and PPLL2 */
/* KB/ML has PPLL1 and PPLL2 */
pll_in_use = radeon_get_pll_use_mask(crtc);
if (!(pll_in_use & (1 << ATOM_PPLL2)))
return ATOM_PPLL2;
@ -1863,7 +1862,7 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
DRM_ERROR("unable to allocate a PPLL\n");
return ATOM_PPLL_INVALID;
} else {
/* CI has PPLL0, PPLL1, and PPLL2 */
/* CI/KV has PPLL0, PPLL1, and PPLL2 */
pll_in_use = radeon_get_pll_use_mask(crtc);
if (!(pll_in_use & (1 << ATOM_PPLL2)))
return ATOM_PPLL2;
@ -2155,6 +2154,7 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
case ATOM_PPLL0:
/* disable the ppll */
if ((rdev->family == CHIP_ARUBA) ||
(rdev->family == CHIP_KAVERI) ||
(rdev->family == CHIP_BONAIRE) ||
(rdev->family == CHIP_HAWAII))
atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,

4
drivers/gpu/drm/radeon/atombios_dp.c
View File

@ -492,6 +492,10 @@ int radeon_dp_mode_valid_helper(struct drm_connector *connector,
struct radeon_connector_atom_dig *dig_connector;
int dp_clock;
if ((mode->clock > 340000) &&
(!radeon_connector_is_dp12_capable(connector)))
return MODE_CLOCK_HIGH;
if (!radeon_connector->con_priv)
return MODE_CLOCK_HIGH;
dig_connector = radeon_connector->con_priv;

2
drivers/gpu/drm/radeon/cikd.h
View File

@ -2156,4 +2156,6 @@
#define ATC_VM_APERTURE1_HIGH_ADDR 0x330Cu
#define ATC_VM_APERTURE1_LOW_ADDR 0x3304u
#define IH_VMID_0_LUT 0x3D40u
#endif

2
drivers/gpu/drm/radeon/dce3_1_afmt.c
View File

@ -103,7 +103,7 @@ static void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder)
}
sad_count = drm_edid_to_sad(radeon_connector->edid, &sads);
if (sad_count < 0) {
if (sad_count <= 0) {
DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
return;
}

10
drivers/gpu/drm/radeon/kv_dpm.c
View File

@ -2745,13 +2745,11 @@ int kv_dpm_init(struct radeon_device *rdev)
pi->enable_auto_thermal_throttling = true;
pi->disable_nb_ps3_in_battery = false;
if (radeon_bapm == -1) {
/* There are stability issues reported on with
* bapm enabled on an asrock system.
*/
if (rdev->pdev->subsystem_vendor == 0x1849)
pi->bapm_enable = false;
else
/* only enable bapm on KB, ML by default */
if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS)
pi->bapm_enable = true;
else
pi->bapm_enable = false;
} else if (radeon_bapm == 0) {
pi->bapm_enable = false;
} else {

23
drivers/gpu/drm/radeon/radeon_kfd.c
View File

@ -72,7 +72,7 @@ static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
uint32_t queue_id, uint32_t __user *wptr);
static bool kgd_hqd_is_occupies(struct kgd_dev *kgd, uint64_t queue_address,
static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id);
static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
@ -92,7 +92,7 @@ static const struct kfd2kgd_calls kfd2kgd = {
.init_memory = kgd_init_memory,
.init_pipeline = kgd_init_pipeline,
.hqd_load = kgd_hqd_load,
.hqd_is_occupies = kgd_hqd_is_occupies,
.hqd_is_occupied = kgd_hqd_is_occupied,
.hqd_destroy = kgd_hqd_destroy,
.get_fw_version = get_fw_version
};
@ -101,6 +101,7 @@ static const struct kgd2kfd_calls *kgd2kfd;
bool radeon_kfd_init(void)
{
#if defined(CONFIG_HSA_AMD_MODULE)
bool (*kgd2kfd_init_p)(unsigned, const struct kfd2kgd_calls*,
const struct kgd2kfd_calls**);
@ -117,6 +118,17 @@ bool radeon_kfd_init(void)
}
return true;
#elif defined(CONFIG_HSA_AMD)
if (!kgd2kfd_init(KFD_INTERFACE_VERSION, &kfd2kgd, &kgd2kfd)) {
kgd2kfd = NULL;
return false;
}
return true;
#else
return false;
#endif
}
void radeon_kfd_fini(void)
@ -378,6 +390,10 @@ static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
cpu_relax();
write_register(kgd, ATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid);
/* Mapping vmid to pasid also for IH block */
write_register(kgd, IH_VMID_0_LUT + vmid * sizeof(uint32_t),
pasid_mapping);
return 0;
}
@ -517,7 +533,7 @@ static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
return 0;
}
static bool kgd_hqd_is_occupies(struct kgd_dev *kgd, uint64_t queue_address,
static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id)
{
uint32_t act;
@ -556,6 +572,7 @@ static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
if (timeout == 0) {
pr_err("kfd: cp queue preemption time out (%dms)\n",
temp);
release_queue(kgd);
return -ETIME;
}
msleep(20);

2
drivers/gpu/drm/radeon/radeon_state.c
View File

@ -1703,7 +1703,7 @@ static int radeon_cp_dispatch_texture(struct drm_device * dev,
u32 format;
u32 *buffer;
const u8 __user *data;
int size, dwords, tex_width, blit_width, spitch;
unsigned int size, dwords, tex_width, blit_width, spitch;
u32 height;
int i;
u32 texpitch, microtile;

3
drivers/hid/Kconfig
View File

@ -27,7 +27,8 @@ if HID
config HID_BATTERY_STRENGTH
bool "Battery level reporting for HID devices"
depends on HID && POWER_SUPPLY && HID = POWER_SUPPLY
depends on HID
select POWER_SUPPLY
default n
---help---
This option adds support of reporting battery strength (for HID devices

1
drivers/hid/hid-core.c
View File

@ -1805,6 +1805,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },

1
drivers/hid/hid-ids.h
View File

@ -526,6 +526,7 @@
#define USB_DEVICE_ID_KYE_GPEN_560 0x5003
#define USB_DEVICE_ID_KYE_EASYPEN_I405X 0x5010
#define USB_DEVICE_ID_KYE_MOUSEPEN_I608X 0x5011
#define USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2 0x501a
#define USB_DEVICE_ID_KYE_EASYPEN_M610X 0x5013
#define USB_VENDOR_ID_LABTEC 0x1020

3
drivers/hid/hid-input.c
View File

@ -311,6 +311,9 @@ static const struct hid_device_id hid_battery_quirks[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO),
HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },

4
drivers/hid/hid-kye.c
View File

@ -323,6 +323,7 @@ static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc,
}
break;
case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2:
if (*rsize == MOUSEPEN_I608X_RDESC_ORIG_SIZE) {
rdesc = mousepen_i608x_rdesc_fixed;
*rsize = sizeof(mousepen_i608x_rdesc_fixed);
@ -415,6 +416,7 @@ static int kye_probe(struct hid_device *hdev, const struct hid_device_id *id)
switch (id->product) {
case USB_DEVICE_ID_KYE_EASYPEN_I405X:
case USB_DEVICE_ID_KYE_MOUSEPEN_I608X:
case USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2:
case USB_DEVICE_ID_KYE_EASYPEN_M610X:
ret = kye_tablet_enable(hdev);
if (ret) {
@ -445,6 +447,8 @@ static const struct hid_device_id kye_devices[] = {
USB_DEVICE_ID_KYE_EASYPEN_I405X) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,
USB_DEVICE_ID_KYE_EASYPEN_M610X) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE,

16
drivers/hid/hid-logitech-dj.c
View File

@ -962,10 +962,24 @@ static int logi_dj_raw_event(struct hid_device *hdev,
switch (data[0]) {
case REPORT_ID_DJ_SHORT:
if (size != DJREPORT_SHORT_LENGTH) {
dev_err(&hdev->dev, "DJ report of bad size (%d)", size);
return false;
}
return logi_dj_dj_event(hdev, report, data, size);
case REPORT_ID_HIDPP_SHORT:
/* intentional fallthrough */
if (size != HIDPP_REPORT_SHORT_LENGTH) {
dev_err(&hdev->dev,
"Short HID++ report of bad size (%d)", size);
return false;
}
return logi_dj_hidpp_event(hdev, report, data, size);
case REPORT_ID_HIDPP_LONG:
if (size != HIDPP_REPORT_LONG_LENGTH) {
dev_err(&hdev->dev,
"Long HID++ report of bad size (%d)", size);
return false;
}
return logi_dj_hidpp_event(hdev, report, data, size);
}

41
drivers/hid/hid-logitech-hidpp.c
View File

@ -282,6 +282,33 @@ static inline bool hidpp_report_is_connect_event(struct hidpp_report *report)
(report->rap.sub_id == 0x41);
}
/**
* hidpp_prefix_name() prefixes the current given name with "Logitech ".
*/
static void hidpp_prefix_name(char **name, int name_length)
{
#define PREFIX_LENGTH 9 /* "Logitech " */
int new_length;
char *new_name;
if (name_length > PREFIX_LENGTH &&
strncmp(*name, "Logitech ", PREFIX_LENGTH) == 0)
/* The prefix has is already in the name */
return;
new_length = PREFIX_LENGTH + name_length;
new_name = kzalloc(new_length, GFP_KERNEL);
if (!new_name)
return;
snprintf(new_name, new_length, "Logitech %s", *name);
kfree(*name);
*name = new_name;
}
/* -------------------------------------------------------------------------- */
/* HIDP++ 1.0 commands */
/* -------------------------------------------------------------------------- */
@ -321,6 +348,10 @@ static char *hidpp_get_unifying_name(struct hidpp_device *hidpp_dev)
return NULL;
memcpy(name, &response.rap.params[2], len);
/* include the terminating '\0' */
hidpp_prefix_name(&name, len + 1);
return name;
}
@ -498,6 +529,9 @@ static char *hidpp_get_device_name(struct hidpp_device *hidpp)
index += ret;
}
/* include the terminating '\0' */
hidpp_prefix_name(&name, __name_length + 1);
return name;
}
@ -794,18 +828,25 @@ static int wtp_raw_event(struct hid_device *hdev, u8 *data, int size)
switch (data[0]) {
case 0x02:
if (size < 2) {
hid_err(hdev, "Received HID report of bad size (%d)",
size);
return 1;
}
if (hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS) {
input_event(wd->input, EV_KEY, BTN_LEFT,
!!(data[1] & 0x01));
input_event(wd->input, EV_KEY, BTN_RIGHT,
!!(data[1] & 0x02));
input_sync(wd->input);
return 0;
} else {
if (size < 21)
return 1;
return wtp_mouse_raw_xy_event(hidpp, &data[7]);
}
case REPORT_ID_HIDPP_LONG:
/* size is already checked in hidpp_raw_event. */
if ((report->fap.feature_index != wd->mt_feature_index) ||
(report->fap.funcindex_clientid != EVENT_TOUCHPAD_RAW_XY))
return 1;

8
drivers/hid/hid-roccat-pyra.c
View File

@ -35,6 +35,8 @@ static struct class *pyra_class;
static void profile_activated(struct pyra_device *pyra,
unsigned int new_profile)
{
if (new_profile >= ARRAY_SIZE(pyra->profile_settings))
return;
pyra->actual_profile = new_profile;
pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi;
}
@ -257,9 +259,11 @@ static ssize_t pyra_sysfs_write_settings(struct file *fp,
if (off != 0 || count != PYRA_SIZE_SETTINGS)
return -EINVAL;
mutex_lock(&pyra->pyra_lock);
settings = (struct pyra_settings const *)buf;
if (settings->startup_profile >= ARRAY_SIZE(pyra->profile_settings))
return -EINVAL;
mutex_lock(&pyra->pyra_lock);
retval = pyra_set_settings(usb_dev, settings);
if (retval) {

5
drivers/hid/i2c-hid/i2c-hid.c
View File

@ -706,12 +706,7 @@ static int i2c_hid_start(struct hid_device *hid)
static void i2c_hid_stop(struct hid_device *hid)
{
struct i2c_client *client = hid->driver_data;
struct i2c_hid *ihid = i2c_get_clientdata(client);
hid->claimed = 0;
i2c_hid_free_buffers(ihid);
}
static int i2c_hid_open(struct hid_device *hid)

1
drivers/hid/usbhid/hid-quirks.c
View File

@ -124,6 +124,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_SIGMA_MICRO, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_DUOSENSE, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD, HID_QUIRK_NO_INIT_REPORTS },

12
drivers/iommu/intel-iommu.c
View File

@ -4029,14 +4029,6 @@ static int device_notifier(struct notifier_block *nb,
if (action != BUS_NOTIFY_REMOVED_DEVICE)
return 0;
/*
* If the device is still attached to a device driver we can't
* tear down the domain yet as DMA mappings may still be in use.
* Wait for the BUS_NOTIFY_UNBOUND_DRIVER event to do that.
*/
if (action == BUS_NOTIFY_DEL_DEVICE && dev->driver != NULL)
return 0;
domain = find_domain(dev);
if (!domain)
return 0;
@ -4428,6 +4420,10 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
domain_remove_one_dev_info(old_domain, dev);
else
domain_remove_dev_info(old_domain);
if (!domain_type_is_vm_or_si(old_domain) &&
list_empty(&old_domain->devices))
domain_exit(old_domain);
}
}

6
drivers/iommu/ipmmu-vmsa.c
View File

@ -558,7 +558,7 @@ static pmd_t *ipmmu_alloc_pmd(struct ipmmu_vmsa_device *mmu, pgd_t *pgd,
static u64 ipmmu_page_prot(unsigned int prot, u64 type)
{
u64 pgprot = ARM_VMSA_PTE_XN | ARM_VMSA_PTE_nG | ARM_VMSA_PTE_AF
u64 pgprot = ARM_VMSA_PTE_nG | ARM_VMSA_PTE_AF
| ARM_VMSA_PTE_SH_IS | ARM_VMSA_PTE_AP_UNPRIV
| ARM_VMSA_PTE_NS | type;
@ -568,8 +568,8 @@ static u64 ipmmu_page_prot(unsigned int prot, u64 type)
if (prot & IOMMU_CACHE)
pgprot |= IMMAIR_ATTR_IDX_WBRWA << ARM_VMSA_PTE_ATTRINDX_SHIFT;
if (prot & IOMMU_EXEC)
pgprot &= ~ARM_VMSA_PTE_XN;
if (prot & IOMMU_NOEXEC)
pgprot |= ARM_VMSA_PTE_XN;
else if (!(prot & (IOMMU_READ | IOMMU_WRITE)))
/* If no access create a faulting entry to avoid TLB fills. */
pgprot &= ~ARM_VMSA_PTE_PAGE;

1
drivers/iommu/rockchip-iommu.c
View File

@ -1009,7 +1009,6 @@ static struct platform_driver rk_iommu_driver = {
.remove = rk_iommu_remove,
.driver = {
.name = "rk_iommu",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(rk_iommu_dt_ids),
},
};

4
drivers/net/ethernet/allwinner/sun4i-emac.c
View File

@ -850,8 +850,10 @@ static int emac_probe(struct platform_device *pdev)
}
db->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(db->clk))
if (IS_ERR(db->clk)) {
ret = PTR_ERR(db->clk);
goto out;
}
clk_prepare_enable(db->clk);

15
drivers/net/ethernet/altera/altera_tse_main.c
View File

@ -1170,10 +1170,6 @@ tx_request_irq_error:
init_error:
free_skbufs(dev);
alloc_skbuf_error:
if (priv->phydev) {
phy_disconnect(priv->phydev);
priv->phydev = NULL;
}
phy_error:
return ret;
}
@ -1186,12 +1182,9 @@ static int tse_shutdown(struct net_device *dev)
int ret;
unsigned long int flags;
/* Stop and disconnect the PHY */
if (priv->phydev) {
/* Stop the PHY */
if (priv->phydev)
phy_stop(priv->phydev);
phy_disconnect(priv->phydev);
priv->phydev = NULL;
}
netif_stop_queue(dev);
napi_disable(&priv->napi);
@ -1525,6 +1518,10 @@ err_free_netdev:
static int altera_tse_remove(struct platform_device *pdev)
{
struct net_device *ndev = platform_get_drvdata(pdev);
struct altera_tse_private *priv = netdev_priv(ndev);
if (priv->phydev)
phy_disconnect(priv->phydev);
platform_set_drvdata(pdev, NULL);
altera_tse_mdio_destroy(ndev);

6
drivers/net/ethernet/cisco/enic/enic_main.c
View File

@ -1616,7 +1616,7 @@ static int enic_open(struct net_device *netdev)
if (vnic_rq_desc_used(&enic->rq[i]) == 0) {
netdev_err(netdev, "Unable to alloc receive buffers\n");
err = -ENOMEM;
goto err_out_notify_unset;
goto err_out_free_rq;
}
}
@ -1649,7 +1649,9 @@ static int enic_open(struct net_device *netdev)
return 0;
err_out_notify_unset:
err_out_free_rq:
for (i = 0; i < enic->rq_count; i++)
vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
enic_dev_notify_unset(enic);
err_out_free_intr:
enic_free_intr(enic);

2
drivers/net/ethernet/intel/e100.c
View File

@ -1543,7 +1543,7 @@ static int e100_phy_init(struct nic *nic)
mdio_write(netdev, nic->mii.phy_id, MII_BMCR, bmcr);
} else if ((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
(mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) &&
!(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
/* enable/disable MDI/MDI-X auto-switching. */
mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG,
nic->mii.force_media ? 0 : NCONFIG_AUTO_SWITCH);

4
drivers/net/ethernet/intel/i40e/i40e_debugfs.c
View File

@ -829,7 +829,7 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
if (desc_n >= ring->count || desc_n < 0) {
dev_info(&pf->pdev->dev,
"descriptor %d not found\n", desc_n);
return;
goto out;
}
if (!is_rx_ring) {
txd = I40E_TX_DESC(ring, desc_n);
@ -855,6 +855,8 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
} else {
dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
}
out:
kfree(ring);
}

2
drivers/net/ethernet/intel/igb/e1000_82575.c
View File

@ -1125,7 +1125,7 @@ static s32 igb_acquire_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
u32 swmask = mask;
u32 fwmask = mask << 16;
s32 ret_val = 0;
s32 i = 0, timeout = 200; /* FIXME: find real value to use here */
s32 i = 0, timeout = 200;
while (i < timeout) {
if (igb_get_hw_semaphore(hw)) {

13
drivers/net/ethernet/mellanox/mlx4/main.c
View File

@ -1829,7 +1829,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
err = mlx4_dev_cap(dev, &dev_cap);
if (err) {
mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n");
goto err_stop_fw;
return err;
}
choose_steering_mode(dev, &dev_cap);
@ -1860,7 +1860,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
&init_hca);
if ((long long) icm_size < 0) {
err = icm_size;
goto err_stop_fw;
return err;
}
dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1;
@ -1874,7 +1874,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size);
if (err)
goto err_stop_fw;
return err;
err = mlx4_INIT_HCA(dev, &init_hca);
if (err) {
@ -1886,7 +1886,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
err = mlx4_query_func(dev, &dev_cap);
if (err < 0) {
mlx4_err(dev, "QUERY_FUNC command failed, aborting.\n");
goto err_stop_fw;
goto err_close;
} else if (err & MLX4_QUERY_FUNC_NUM_SYS_EQS) {
dev->caps.num_eqs = dev_cap.max_eqs;
dev->caps.reserved_eqs = dev_cap.reserved_eqs;
@ -2006,11 +2006,6 @@ err_free_icm:
if (!mlx4_is_slave(dev))
mlx4_free_icms(dev);
err_stop_fw:
if (!mlx4_is_slave(dev)) {
mlx4_UNMAP_FA(dev);
mlx4_free_icm(dev, priv->fw.fw_icm, 0);
}
return err;
}

9
drivers/net/ethernet/mellanox/mlx4/mr.c
View File

@ -584,6 +584,7 @@ EXPORT_SYMBOL_GPL(mlx4_mr_free);
void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr)
{
mlx4_mtt_cleanup(dev, &mr->mtt);
mr->mtt.order = -1;
}
EXPORT_SYMBOL_GPL(mlx4_mr_rereg_mem_cleanup);
@ -593,14 +594,14 @@ int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
{
int err;
mpt_entry->start = cpu_to_be64(iova);
mpt_entry->length = cpu_to_be64(size);
mpt_entry->entity_size = cpu_to_be32(page_shift);
err = mlx4_mtt_init(dev, npages, page_shift, &mr->mtt);
if (err)
return err;
mpt_entry->start = cpu_to_be64(mr->iova);
mpt_entry->length = cpu_to_be64(mr->size);
mpt_entry->entity_size = cpu_to_be32(mr->mtt.page_shift);
mpt_entry->pd_flags &= cpu_to_be32(MLX4_MPT_PD_MASK |
MLX4_MPT_PD_FLAG_EN_INV);
mpt_entry->flags &= cpu_to_be32(MLX4_MPT_FLAG_FREE |

4
drivers/net/ethernet/myricom/myri10ge/myri10ge.c
View File

@ -4033,8 +4033,10 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
(void)pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
mgp->cmd = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->cmd),
&mgp->cmd_bus, GFP_KERNEL);
if (mgp->cmd == NULL)
if (!mgp->cmd) {
status = -ENOMEM;
goto abort_with_enabled;
}
mgp->board_span = pci_resource_len(pdev, 0);
mgp->iomem_base = pci_resource_start(pdev, 0);

8
drivers/net/ethernet/qlogic/qla3xxx.c
View File

@ -146,10 +146,7 @@ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
{
int i = 0;
while (i < 10) {
if (i)
ssleep(1);
do {
if (ql_sem_lock(qdev,
QL_DRVR_SEM_MASK,
(QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
@ -158,7 +155,8 @@ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
"driver lock acquired\n");
return 1;
}
}
ssleep(1);
} while (++i < 10);
netdev_err(qdev->ndev, "Timed out waiting for driver lock...\n");
return 0;

1
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -2605,6 +2605,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
} else {
dev_err(&pdev->dev,
"%s: failed. Please Reboot\n", __func__);
err = -ENODEV;
goto err_out_free_hw;
}

19
drivers/net/ethernet/ti/cpsw.c
View File

@ -757,6 +757,14 @@ requeue:
static irqreturn_t cpsw_interrupt(int irq, void *dev_id)
{
struct cpsw_priv *priv = dev_id;
int value = irq - priv->irqs_table[0];
/* NOTICE: Ending IRQ here. The trick with the 'value' variable above
* is to make sure we will always write the correct value to the EOI
* register. Namely 0 for RX_THRESH Interrupt, 1 for RX Interrupt, 2
* for TX Interrupt and 3 for MISC Interrupt.
*/
cpdma_ctlr_eoi(priv->dma, value);
cpsw_intr_disable(priv);
if (priv->irq_enabled == true) {
@ -786,8 +794,6 @@ static int cpsw_poll(struct napi_struct *napi, int budget)
int num_tx, num_rx;
num_tx = cpdma_chan_process(priv->txch, 128);
if (num_tx)
cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
num_rx = cpdma_chan_process(priv->rxch, budget);
if (num_rx < budget) {
@ -795,7 +801,6 @@ static int cpsw_poll(struct napi_struct *napi, int budget)
napi_complete(napi);
cpsw_intr_enable(priv);
cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
prim_cpsw = cpsw_get_slave_priv(priv, 0);
if (prim_cpsw->irq_enabled == false) {
prim_cpsw->irq_enabled = true;
@ -1310,8 +1315,6 @@ static int cpsw_ndo_open(struct net_device *ndev)
napi_enable(&priv->napi);
cpdma_ctlr_start(priv->dma);
cpsw_intr_enable(priv);
cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
prim_cpsw = cpsw_get_slave_priv(priv, 0);
if (prim_cpsw->irq_enabled == false) {
@ -1578,9 +1581,6 @@ static void cpsw_ndo_tx_timeout(struct net_device *ndev)
cpdma_chan_start(priv->txch);
cpdma_ctlr_int_ctrl(priv->dma, true);
cpsw_intr_enable(priv);
cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
}
static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
@ -1620,9 +1620,6 @@ static void cpsw_ndo_poll_controller(struct net_device *ndev)
cpsw_interrupt(ndev->irq, priv);
cpdma_ctlr_int_ctrl(priv->dma, true);
cpsw_intr_enable(priv);
cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
}
#endif

2
drivers/net/ethernet/xilinx/ll_temac_main.c
View File

@ -1043,6 +1043,7 @@ static int temac_of_probe(struct platform_device *op)
lp->regs = of_iomap(op->dev.of_node, 0);
if (!lp->regs) {
dev_err(&op->dev, "could not map temac regs.\n");
rc = -ENOMEM;
goto nodev;
}
@ -1062,6 +1063,7 @@ static int temac_of_probe(struct platform_device *op)
np = of_parse_phandle(op->dev.of_node, "llink-connected", 0);
if (!np) {
dev_err(&op->dev, "could not find DMA node\n");
rc = -ENODEV;
goto err_iounmap;
}

2
drivers/net/ethernet/xilinx/xilinx_axienet_main.c
View File

@ -1501,6 +1501,7 @@ static int axienet_of_probe(struct platform_device *op)
lp->regs = of_iomap(op->dev.of_node, 0);
if (!lp->regs) {
dev_err(&op->dev, "could not map Axi Ethernet regs.\n");
ret = -ENOMEM;
goto nodev;
}
/* Setup checksum offload, but default to off if not specified */
@ -1563,6 +1564,7 @@ static int axienet_of_probe(struct platform_device *op)
np = of_parse_phandle(op->dev.of_node, "axistream-connected", 0);
if (!np) {
dev_err(&op->dev, "could not find DMA node\n");
ret = -ENODEV;
goto err_iounmap;
}
lp->dma_regs = of_iomap(np, 0);

1
drivers/net/ethernet/xilinx/xilinx_emaclite.c
View File

@ -1109,6 +1109,7 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
res = platform_get_resource(ofdev, IORESOURCE_IRQ, 0);
if (!res) {
dev_err(dev, "no IRQ found\n");
rc = -ENXIO;
goto error;
}

10
drivers/net/usb/qmi_wwan.c
View File

@ -56,6 +56,8 @@ struct qmi_wwan_state {
/* default ethernet address used by the modem */
static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3};
static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00};
/* Make up an ethernet header if the packet doesn't have one.
*
* A firmware bug common among several devices cause them to send raw
@ -332,10 +334,12 @@ next_desc:
usb_driver_release_interface(driver, info->data);
}
/* Never use the same address on both ends of the link, even
* if the buggy firmware told us to.
/* Never use the same address on both ends of the link, even if the
* buggy firmware told us to. Or, if device is assigned the well-known
* buggy firmware MAC address, replace it with a random address,
*/
if (ether_addr_equal(dev->net->dev_addr, default_modem_addr))
if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) ||
ether_addr_equal(dev->net->dev_addr, buggy_fw_addr))
eth_hw_addr_random(dev->net);
/* make MAC addr easily distinguishable from an IP header */

17
drivers/net/usb/r8152.c
View File

@ -1897,6 +1897,22 @@ static void _rtl8152_set_rx_mode(struct net_device *netdev)
netif_wake_queue(netdev);
}
static netdev_features_t
rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
netdev_features_t features)
{
u32 mss = skb_shinfo(skb)->gso_size;
int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX;
int offset = skb_transport_offset(skb);
if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset)
features &= ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK);
else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
features &= ~NETIF_F_GSO_MASK;
return features;
}
static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
@ -3706,6 +3722,7 @@ static const struct net_device_ops rtl8152_netdev_ops = {
.ndo_set_mac_address = rtl8152_set_mac_address,
.ndo_change_mtu = rtl8152_change_mtu,
.ndo_validate_addr = eth_validate_addr,
.ndo_features_check = rtl8152_features_check,
};
static void r8152b_get_version(struct r8152 *tp)

1
drivers/net/xen-netback/xenbus.c
View File

@ -737,6 +737,7 @@ static void connect(struct backend_info *be)
}
queue->remaining_credit = credit_bytes;
queue->credit_usec = credit_usec;
err = connect_rings(be, queue);
if (err) {

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