Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge

* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge:
  powerpc: Use correct sequence for putting CPU into nap mode
  [PATCH] spufs: fix context-switch decrementer code
  [PATCH] powerpc32: Set cpu explicitly in kernel compiles
  [PATCH] powerpc/pseries: bugfix: balance calls to pci_device_put
  [PATCH] powerpc: Fix machine detection in prom_init.c
  [PATCH] ppc32: Fix string comparing in platform_notify_map
  [PATCH] powerpc: Avoid __initcall warnings
  [PATCH] powerpc: Ensure runlatch is off in the idle loop
  powerpc: Fix CHRP booting - needs a define_machine call
  powerpc: iSeries has only 256 IRQs
This commit is contained in:
Linus Torvalds 2006-04-18 10:34:24 -07:00
commit 6fbe85f914
22 changed files with 191 additions and 120 deletions

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@ -366,6 +366,7 @@ config PPC_PMAC64
select U3_DART
select MPIC_BROKEN_U3
select GENERIC_TBSYNC
select PPC_970_NAP
default y
config PPC_PREP
@ -383,6 +384,7 @@ config PPC_MAPLE
select MPIC_BROKEN_U3
select GENERIC_TBSYNC
select PPC_UDBG_16550
select PPC_970_NAP
default n
help
This option enables support for the Maple 970FX Evaluation Board.
@ -457,6 +459,10 @@ config PPC_MPC106
bool
default n
config PPC_970_NAP
bool
default n
source "drivers/cpufreq/Kconfig"
config CPU_FREQ_PMAC

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@ -104,6 +104,10 @@ ifndef CONFIG_FSL_BOOKE
CFLAGS += -mstring
endif
ifeq ($(CONFIG_6xx),y)
CFLAGS += -mcpu=powerpc
endif
cpu-as-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge
cpu-as-$(CONFIG_4xx) += -Wa,-m405
cpu-as-$(CONFIG_6xx) += -Wa,-maltivec

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@ -20,7 +20,7 @@ obj-$(CONFIG_PPC64) += setup_64.o binfmt_elf32.o sys_ppc32.o \
firmware.o sysfs.o
obj-$(CONFIG_PPC64) += vdso64/
obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o
obj-$(CONFIG_POWER4) += idle_power4.o
obj-$(CONFIG_PPC_970_NAP) += idle_power4.o
obj-$(CONFIG_PPC_OF) += of_device.o prom_parse.o
procfs-$(CONFIG_PPC64) := proc_ppc64.o
obj-$(CONFIG_PROC_FS) += $(procfs-y)

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@ -91,6 +91,7 @@ int main(void)
#endif /* CONFIG_PPC64 */
DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
DEFINE(TI_TASK, offsetof(struct thread_info, task));
#ifdef CONFIG_PPC32

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@ -128,37 +128,36 @@ transfer_to_handler:
stw r12,4(r11)
#endif
b 3f
2: /* if from kernel, check interrupted DOZE/NAP mode and
* check for stack overflow
*/
lwz r9,THREAD_INFO-THREAD(r12)
cmplw r1,r9 /* if r1 <= current->thread_info */
ble- stack_ovf /* then the kernel stack overflowed */
5:
#ifdef CONFIG_6xx
mfspr r11,SPRN_HID0
mtcr r11
BEGIN_FTR_SECTION
bt- 8,4f /* Check DOZE */
END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE)
BEGIN_FTR_SECTION
bt- 9,4f /* Check NAP */
END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
tophys(r9,r9) /* check local flags */
lwz r12,TI_LOCAL_FLAGS(r9)
mtcrf 0x01,r12
bt- 31-TLF_NAPPING,4f
#endif /* CONFIG_6xx */
.globl transfer_to_handler_cont
transfer_to_handler_cont:
lwz r11,THREAD_INFO-THREAD(r12)
cmplw r1,r11 /* if r1 <= current->thread_info */
ble- stack_ovf /* then the kernel stack overflowed */
3:
mflr r9
lwz r11,0(r9) /* virtual address of handler */
lwz r9,4(r9) /* where to go when done */
FIX_SRR1(r10,r12)
mtspr SPRN_SRR0,r11
mtspr SPRN_SRR1,r10
mtlr r9
SYNC
RFI /* jump to handler, enable MMU */
#ifdef CONFIG_6xx
4: b power_save_6xx_restore
#ifdef CONFIG_6xx
4: rlwinm r12,r12,0,~_TLF_NAPPING
stw r12,TI_LOCAL_FLAGS(r9)
b power_save_6xx_restore
#endif
/*
@ -167,10 +166,10 @@ transfer_to_handler_cont:
*/
stack_ovf:
/* sometimes we use a statically-allocated stack, which is OK. */
lis r11,_end@h
ori r11,r11,_end@l
cmplw r1,r11
ble 3b /* r1 <= &_end is OK */
lis r12,_end@h
ori r12,r12,_end@l
cmplw r1,r12
ble 5b /* r1 <= &_end is OK */
SAVE_NVGPRS(r11)
addi r3,r1,STACK_FRAME_OVERHEAD
lis r1,init_thread_union@ha

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@ -376,17 +376,53 @@ label##_common: \
bl hdlr; \
b .ret_from_except
/*
* Like STD_EXCEPTION_COMMON, but for exceptions that can occur
* in the idle task and therefore need the special idle handling.
*/
#define STD_EXCEPTION_COMMON_IDLE(trap, label, hdlr) \
.align 7; \
.globl label##_common; \
label##_common: \
EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \
FINISH_NAP; \
DISABLE_INTS; \
bl .save_nvgprs; \
addi r3,r1,STACK_FRAME_OVERHEAD; \
bl hdlr; \
b .ret_from_except
#define STD_EXCEPTION_COMMON_LITE(trap, label, hdlr) \
.align 7; \
.globl label##_common; \
label##_common: \
EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \
FINISH_NAP; \
DISABLE_INTS; \
bl .ppc64_runlatch_on; \
addi r3,r1,STACK_FRAME_OVERHEAD; \
bl hdlr; \
b .ret_from_except_lite
/*
* When the idle code in power4_idle puts the CPU into NAP mode,
* it has to do so in a loop, and relies on the external interrupt
* and decrementer interrupt entry code to get it out of the loop.
* It sets the _TLF_NAPPING bit in current_thread_info()->local_flags
* to signal that it is in the loop and needs help to get out.
*/
#ifdef CONFIG_PPC_970_NAP
#define FINISH_NAP \
BEGIN_FTR_SECTION \
clrrdi r11,r1,THREAD_SHIFT; \
ld r9,TI_LOCAL_FLAGS(r11); \
andi. r10,r9,_TLF_NAPPING; \
bnel power4_fixup_nap; \
END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#else
#define FINISH_NAP
#endif
/*
* Start of pSeries system interrupt routines
*/
@ -772,6 +808,7 @@ hardware_interrupt_iSeries_masked:
.globl machine_check_common
machine_check_common:
EXCEPTION_PROLOG_COMMON(0x200, PACA_EXMC)
FINISH_NAP
DISABLE_INTS
bl .save_nvgprs
addi r3,r1,STACK_FRAME_OVERHEAD
@ -783,7 +820,7 @@ machine_check_common:
STD_EXCEPTION_COMMON(0xb00, trap_0b, .unknown_exception)
STD_EXCEPTION_COMMON(0xd00, single_step, .single_step_exception)
STD_EXCEPTION_COMMON(0xe00, trap_0e, .unknown_exception)
STD_EXCEPTION_COMMON(0xf00, performance_monitor, .performance_monitor_exception)
STD_EXCEPTION_COMMON_IDLE(0xf00, performance_monitor, .performance_monitor_exception)
STD_EXCEPTION_COMMON(0x1300, instruction_breakpoint, .instruction_breakpoint_exception)
#ifdef CONFIG_ALTIVEC
STD_EXCEPTION_COMMON(0x1700, altivec_assist, .altivec_assist_exception)
@ -1034,6 +1071,7 @@ unrecov_slb:
.globl hardware_interrupt_entry
hardware_interrupt_common:
EXCEPTION_PROLOG_COMMON(0x500, PACA_EXGEN)
FINISH_NAP
hardware_interrupt_entry:
DISABLE_INTS
bl .ppc64_runlatch_on
@ -1041,6 +1079,15 @@ hardware_interrupt_entry:
bl .do_IRQ
b .ret_from_except_lite
#ifdef CONFIG_PPC_970_NAP
power4_fixup_nap:
andc r9,r9,r10
std r9,TI_LOCAL_FLAGS(r11)
ld r10,_LINK(r1) /* make idle task do the */
std r10,_NIP(r1) /* equivalent of a blr */
blr
#endif
.align 7
.globl alignment_common
alignment_common:

View File

@ -50,9 +50,9 @@ void cpu_idle(void)
set_thread_flag(TIF_POLLING_NRFLAG);
while (1) {
ppc64_runlatch_off();
while (!need_resched() && !cpu_should_die()) {
ppc64_runlatch_off();
if (ppc_md.power_save) {
clear_thread_flag(TIF_POLLING_NRFLAG);
/*

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@ -22,8 +22,6 @@
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
#undef DEBUG
.text
/*
@ -109,12 +107,6 @@ BEGIN_FTR_SECTION
dcbf 0,r4
dcbf 0,r4
END_FTR_SECTION_IFSET(CPU_FTR_NAP_DISABLE_L2_PR)
#ifdef DEBUG
lis r6,nap_enter_count@ha
lwz r4,nap_enter_count@l(r6)
addi r4,r4,1
stw r4,nap_enter_count@l(r6)
#endif
2:
BEGIN_FTR_SECTION
/* Go to low speed mode on some 750FX */
@ -144,48 +136,42 @@ BEGIN_FTR_SECTION
DSSALL
sync
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
rlwinm r9,r1,0,0,31-THREAD_SHIFT /* current thread_info */
lwz r8,TI_LOCAL_FLAGS(r9) /* set napping bit */
ori r8,r8,_TLF_NAPPING /* so when we take an exception */
stw r8,TI_LOCAL_FLAGS(r9) /* it will return to our caller */
mfmsr r7
ori r7,r7,MSR_EE
oris r7,r7,MSR_POW@h
sync
isync
1: sync
mtmsr r7
isync
sync
blr
b 1b
/*
* Return from NAP/DOZE mode, restore some CPU specific registers,
* we are called with DR/IR still off and r2 containing physical
* address of current.
* address of current. R11 points to the exception frame (physical
* address). We have to preserve r10.
*/
_GLOBAL(power_save_6xx_restore)
mfspr r11,SPRN_HID0
rlwinm. r11,r11,0,10,8 /* Clear NAP & copy NAP bit !state to cr1 EQ */
cror 4*cr1+eq,4*cr0+eq,4*cr0+eq
BEGIN_FTR_SECTION
rlwinm r11,r11,0,9,7 /* Clear DOZE */
END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE)
mtspr SPRN_HID0, r11
lwz r9,_LINK(r11) /* interrupted in ppc6xx_idle: */
stw r9,_NIP(r11) /* make it do a blr */
#ifdef DEBUG
beq cr1,1f
lis r11,(nap_return_count-KERNELBASE)@ha
lwz r9,nap_return_count@l(r11)
addi r9,r9,1
stw r9,nap_return_count@l(r11)
1:
#endif
rlwinm r9,r1,0,0,18
tophys(r9,r9)
lwz r11,TI_CPU(r9)
#ifdef CONFIG_SMP
mfspr r12,SPRN_SPRG3
lwz r11,TI_CPU(r12) /* get cpu number * 4 */
slwi r11,r11,2
#else
li r11,0
#endif
/* Todo make sure all these are in the same page
* and load r22 (@ha part + CPU offset) only once
* and load r11 (@ha part + CPU offset) only once
*/
BEGIN_FTR_SECTION
beq cr1,1f
mfspr r9,SPRN_HID0
andis. r9,r9,HID0_NAP@h
beq 1f
addis r9,r11,(nap_save_msscr0-KERNELBASE)@ha
lwz r9,nap_save_msscr0@l(r9)
mtspr SPRN_MSSCR0, r9
@ -210,10 +196,3 @@ _GLOBAL(nap_save_hid1)
_GLOBAL(powersave_lowspeed)
.long 0
#ifdef DEBUG
_GLOBAL(nap_enter_count)
.space 4
_GLOBAL(nap_return_count)
.space 4
#endif

View File

@ -35,12 +35,16 @@ BEGIN_FTR_SECTION
DSSALL
sync
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
clrrdi r9,r1,THREAD_SHIFT /* current thread_info */
ld r8,TI_LOCAL_FLAGS(r9) /* set napping bit */
ori r8,r8,_TLF_NAPPING /* so when we take an exception */
std r8,TI_LOCAL_FLAGS(r9) /* it will return to our caller */
mfmsr r7
ori r7,r7,MSR_EE
oris r7,r7,MSR_POW@h
sync
1: sync
isync
mtmsrd r7
isync
sync
blr
b 1b

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@ -272,18 +272,26 @@ unsigned int virt_irq_to_real_map[NR_IRQS];
* Don't use virtual irqs 0, 1, 2 for devices.
* The pcnet32 driver considers interrupt numbers < 2 to be invalid,
* and 2 is the XICS IPI interrupt.
* We limit virtual irqs to 17 less than NR_IRQS so that when we
* offset them by 16 (to reserve the first 16 for ISA interrupts)
* we don't end up with an interrupt number >= NR_IRQS.
* We limit virtual irqs to __irq_offet_value less than virt_irq_max so
* that when we offset them we don't end up with an interrupt
* number >= virt_irq_max.
*/
#define MIN_VIRT_IRQ 3
#define MAX_VIRT_IRQ (NR_IRQS - NUM_ISA_INTERRUPTS - 1)
#define NR_VIRT_IRQS (MAX_VIRT_IRQ - MIN_VIRT_IRQ + 1)
unsigned int virt_irq_max;
static unsigned int max_virt_irq;
static unsigned int nr_virt_irqs;
void
virt_irq_init(void)
{
int i;
if ((virt_irq_max == 0) || (virt_irq_max > (NR_IRQS - 1)))
virt_irq_max = NR_IRQS - 1;
max_virt_irq = virt_irq_max - __irq_offset_value;
nr_virt_irqs = max_virt_irq - MIN_VIRT_IRQ + 1;
for (i = 0; i < NR_IRQS; i++)
virt_irq_to_real_map[i] = UNDEFINED_IRQ;
}
@ -308,17 +316,17 @@ int virt_irq_create_mapping(unsigned int real_irq)
return real_irq;
}
/* map to a number between MIN_VIRT_IRQ and MAX_VIRT_IRQ */
/* map to a number between MIN_VIRT_IRQ and max_virt_irq */
virq = real_irq;
if (virq > MAX_VIRT_IRQ)
virq = (virq % NR_VIRT_IRQS) + MIN_VIRT_IRQ;
if (virq > max_virt_irq)
virq = (virq % nr_virt_irqs) + MIN_VIRT_IRQ;
/* search for this number or a free slot */
first_virq = virq;
while (virt_irq_to_real_map[virq] != UNDEFINED_IRQ) {
if (virt_irq_to_real_map[virq] == real_irq)
return virq;
if (++virq > MAX_VIRT_IRQ)
if (++virq > max_virt_irq)
virq = MIN_VIRT_IRQ;
if (virq == first_virq)
goto nospace; /* oops, no free slots */
@ -330,8 +338,8 @@ int virt_irq_create_mapping(unsigned int real_irq)
nospace:
if (!warned) {
printk(KERN_CRIT "Interrupt table is full\n");
printk(KERN_CRIT "Increase NR_IRQS (currently %d) "
"in your kernel sources and rebuild.\n", NR_IRQS);
printk(KERN_CRIT "Increase virt_irq_max (currently %d) "
"in your kernel sources and rebuild.\n", virt_irq_max);
warned = 1;
}
return NO_IRQ;
@ -349,8 +357,8 @@ unsigned int real_irq_to_virt_slowpath(unsigned int real_irq)
virq = real_irq;
if (virq > MAX_VIRT_IRQ)
virq = (virq % NR_VIRT_IRQS) + MIN_VIRT_IRQ;
if (virq > max_virt_irq)
virq = (virq % nr_virt_irqs) + MIN_VIRT_IRQ;
first_virq = virq;
@ -360,7 +368,7 @@ unsigned int real_irq_to_virt_slowpath(unsigned int real_irq)
virq++;
if (virq >= MAX_VIRT_IRQ)
if (virq >= max_virt_irq)
virq = 0;
} while (first_virq != virq);

View File

@ -1528,12 +1528,11 @@ static int __init prom_find_machine_type(void)
* non-IBM designs !
* - it has /rtas
*/
len = prom_getprop(_prom->root, "model",
len = prom_getprop(_prom->root, "device_type",
compat, sizeof(compat)-1);
if (len <= 0)
return PLATFORM_GENERIC;
compat[len] = 0;
if (strcmp(compat, "chrp"))
if (strncmp(compat, RELOC("chrp"), 4))
return PLATFORM_GENERIC;
/* Default to pSeries. We need to know if we are running LPAR */

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@ -258,11 +258,11 @@ static int __init proc_rtas_init(void)
struct proc_dir_entry *entry;
if (!machine_is(pseries))
return 1;
return -ENODEV;
rtas_node = of_find_node_by_name(NULL, "rtas");
if (rtas_node == NULL)
return 1;
return -ENODEV;
entry = create_proc_entry("ppc64/rtas/progress", S_IRUGO|S_IWUSR, NULL);
if (entry)

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@ -1297,7 +1297,7 @@ static inline void setup_decr(struct spu_state *csa, struct spu *spu)
cycles_t resume_time = get_cycles();
cycles_t delta_time = resume_time - csa->suspend_time;
csa->lscsa->decr.slot[0] = delta_time;
csa->lscsa->decr.slot[0] -= delta_time;
}
}

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@ -9,3 +9,4 @@ extern long chrp_time_init(void);
extern void chrp_find_bridges(void);
extern void chrp_event_scan(unsigned long);
extern void chrp_pcibios_fixup(void);

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@ -23,6 +23,8 @@
#include <asm/grackle.h>
#include <asm/rtas.h>
#include "chrp.h"
/* LongTrail */
void __iomem *gg2_pci_config_base;
@ -314,6 +316,6 @@ chrp_find_bridges(void)
}
/* Do not fixup interrupts from OF tree on pegasos */
if (is_pegasos == 0)
ppc_md.pcibios_fixup = chrp_pcibios_fixup;
if (is_pegasos)
ppc_md.pcibios_fixup = NULL;
}

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@ -440,8 +440,6 @@ void __init chrp_init_IRQ(void)
if (_chrp_type == _CHRP_Pegasos)
ppc_md.get_irq = i8259_irq;
else
ppc_md.get_irq = mpic_get_irq;
#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON)
/* see if there is a keyboard in the device tree
@ -528,26 +526,24 @@ static int __init chrp_probe(void)
/* Assume we have an 8259... */
__irq_offset_value = NUM_ISA_INTERRUPTS;
ppc_md.setup_arch = chrp_setup_arch;
ppc_md.show_cpuinfo = chrp_show_cpuinfo;
ppc_md.init_IRQ = chrp_init_IRQ;
ppc_md.init = chrp_init2;
ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot;
ppc_md.restart = rtas_restart;
ppc_md.power_off = rtas_power_off;
ppc_md.halt = rtas_halt;
ppc_md.time_init = chrp_time_init;
ppc_md.calibrate_decr = generic_calibrate_decr;
/* this may get overridden with rtas routines later... */
ppc_md.set_rtc_time = chrp_set_rtc_time;
ppc_md.get_rtc_time = chrp_get_rtc_time;
#ifdef CONFIG_SMP
smp_ops = &chrp_smp_ops;
#endif /* CONFIG_SMP */
return 1;
}
define_machine(chrp) {
.name = "CHRP",
.probe = chrp_probe,
.setup_arch = chrp_setup_arch,
.init = chrp_init2,
.show_cpuinfo = chrp_show_cpuinfo,
.init_IRQ = chrp_init_IRQ,
.get_irq = mpic_get_irq,
.pcibios_fixup = chrp_pcibios_fixup,
.restart = rtas_restart,
.power_off = rtas_power_off,
.halt = rtas_halt,
.time_init = chrp_time_init,
.set_rtc_time = chrp_set_rtc_time,
.get_rtc_time = chrp_get_rtc_time,
.calibrate_decr = generic_calibrate_decr,
.phys_mem_access_prot = pci_phys_mem_access_prot,
};

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@ -54,6 +54,7 @@
#include <asm/iseries/hv_lp_event.h>
#include <asm/iseries/lpar_map.h>
#include <asm/udbg.h>
#include <asm/irq.h>
#include "naca.h"
#include "setup.h"
@ -684,6 +685,12 @@ static int __init iseries_probe(void)
powerpc_firmware_features |= FW_FEATURE_ISERIES;
powerpc_firmware_features |= FW_FEATURE_LPAR;
/*
* The Hypervisor only allows us up to 256 interrupt
* sources (the irq number is passed in a u8).
*/
virt_irq_max = 255;
return 1;
}

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@ -957,8 +957,10 @@ static void eeh_remove_device(struct pci_dev *dev)
pci_addr_cache_remove_device(dev);
dn = pci_device_to_OF_node(dev);
PCI_DN(dn)->pcidev = NULL;
pci_dev_put (dev);
if (PCI_DN(dn)->pcidev) {
PCI_DN(dn)->pcidev = NULL;
pci_dev_put (dev);
}
}
void eeh_remove_bus_device(struct pci_dev *dev)

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@ -488,7 +488,7 @@ static int __init rtas_init(void)
/* No RTAS */
if (rtas_token("event-scan") == RTAS_UNKNOWN_SERVICE) {
printk(KERN_INFO "rtasd: no event-scan on system\n");
return 1;
return -ENODEV;
}
entry = create_proc_entry("ppc64/rtas/error_log", S_IRUSR, NULL);

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@ -156,12 +156,13 @@ void platform_notify_map(const struct platform_notify_dev_map *map,
while (map->bus_id != NULL) {
idx = -1;
s = strrchr(dev->bus_id, '.');
if (s != NULL)
if (s != NULL) {
idx = (int)simple_strtol(s + 1, NULL, 10);
else
len = s - dev->bus_id;
} else {
s = dev->bus_id;
len = s - dev->bus_id;
len = strlen(dev->bus_id);
}
if (!strncmp(dev->bus_id, map->bus_id, len)) {
pdev = container_of(dev, struct platform_device, dev);

View File

@ -54,6 +54,13 @@
*/
extern unsigned int virt_irq_to_real_map[NR_IRQS];
/* The maximum virtual IRQ number that we support. This
* can be set by the platform and will be reduced by the
* value of __irq_offset_value. It defaults to and is
* capped by (NR_IRQS - 1).
*/
extern unsigned int virt_irq_max;
/* Create a mapping for a real_irq if it doesn't already exist.
* Return the virtual irq as a convenience.
*/

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@ -37,6 +37,8 @@ struct thread_info {
int preempt_count; /* 0 => preemptable,
<0 => BUG */
struct restart_block restart_block;
unsigned long local_flags; /* private flags for thread */
/* low level flags - has atomic operations done on it */
unsigned long flags ____cacheline_aligned_in_smp;
};
@ -143,6 +145,12 @@ static inline struct thread_info *current_thread_info(void)
_TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK)
#define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR)
/* Bits in local_flags */
/* Don't move TLF_NAPPING without adjusting the code in entry_32.S */
#define TLF_NAPPING 0 /* idle thread enabled NAP mode */
#define _TLF_NAPPING (1 << TLF_NAPPING)
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_THREAD_INFO_H */