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Merge master.kernel.org:/home/rmk/linux-2.6-arm

This commit is contained in:
Linus Torvalds 2006-01-18 15:18:53 -08:00
parent 097916ecaf 37b797b270
commit 2333f21207
20 changed files with 193 additions and 207 deletions
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2
arch/arm/boot/compressed/head.S
View File

@ -334,7 +334,7 @@ __setup_mmu: sub r3, r4, #16384 @ Page directory size
mov r1, #0x12
orr r1, r1, #3 << 10
add r2, r3, #16384
1: cmp r1, r8 @ if virt > start of RAM
1: cmp r1, r9 @ if virt > start of RAM
orrhs r1, r1, #0x0c @ set cacheable, bufferable
cmp r1, r10 @ if virt > end of RAM
bichs r1, r1, #0x0c @ clear cacheable, bufferable

5
arch/arm/kernel/entry-armv.S
View File

@ -735,8 +735,11 @@ __kuser_cmpxchg: @ 0xffff0fc0
* The kernel itself must perform the operation.
* A special ghost syscall is used for that (see traps.c).
*/
stmfd sp!, {r7, lr}
mov r7, #0xff00 @ 0xfff0 into r7 for EABI
orr r7, r7, #0xf0
swi #0x9ffff0
mov pc, lr
ldmfd sp!, {r7, pc}
#elif __LINUX_ARM_ARCH__ < 6

29
arch/arm/kernel/signal.c
View File

@ -29,6 +29,12 @@
#define SWI_SYS_SIGRETURN (0xef000000|(__NR_sigreturn))
#define SWI_SYS_RT_SIGRETURN (0xef000000|(__NR_rt_sigreturn))
/*
* With EABI, the syscall number has to be loaded into r7.
*/
#define MOV_R7_NR_SIGRETURN (0xe3a07000 | (__NR_sigreturn - __NR_SYSCALL_BASE))
#define MOV_R7_NR_RT_SIGRETURN (0xe3a07000 | (__NR_rt_sigreturn - __NR_SYSCALL_BASE))
/*
* For Thumb syscalls, we pass the syscall number via r7. We therefore
* need two 16-bit instructions.
@ -36,9 +42,9 @@
#define SWI_THUMB_SIGRETURN (0xdf00 << 16 | 0x2700 | (__NR_sigreturn - __NR_SYSCALL_BASE))
#define SWI_THUMB_RT_SIGRETURN (0xdf00 << 16 | 0x2700 | (__NR_rt_sigreturn - __NR_SYSCALL_BASE))
const unsigned long sigreturn_codes[4] = {
SWI_SYS_SIGRETURN, SWI_THUMB_SIGRETURN,
SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN
const unsigned long sigreturn_codes[7] = {
MOV_R7_NR_SIGRETURN, SWI_SYS_SIGRETURN, SWI_THUMB_SIGRETURN,
MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN,
};
static int do_signal(sigset_t *oldset, struct pt_regs * regs, int syscall);
@ -189,7 +195,7 @@ struct aux_sigframe {
struct sigframe {
struct sigcontext sc;
unsigned long extramask[_NSIG_WORDS-1];
unsigned long retcode;
unsigned long retcode[2];
struct aux_sigframe aux __attribute__((aligned(8)));
};
@ -198,7 +204,7 @@ struct rt_sigframe {
void __user *puc;
struct siginfo info;
struct ucontext uc;
unsigned long retcode;
unsigned long retcode[2];
struct aux_sigframe aux __attribute__((aligned(8)));
};
@ -436,12 +442,13 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka,
if (ka->sa.sa_flags & SA_RESTORER) {
retcode = (unsigned long)ka->sa.sa_restorer;
} else {
unsigned int idx = thumb;
unsigned int idx = thumb << 1;
if (ka->sa.sa_flags & SA_SIGINFO)
idx += 2;
idx += 3;
if (__put_user(sigreturn_codes[idx], rc))
if (__put_user(sigreturn_codes[idx], rc) ||
__put_user(sigreturn_codes[idx+1], rc+1))
return 1;
if (cpsr & MODE32_BIT) {
@ -456,7 +463,7 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka,
* the return code written onto the stack.
*/
flush_icache_range((unsigned long)rc,
(unsigned long)(rc + 1));
(unsigned long)(rc + 2));
retcode = ((unsigned long)rc) + thumb;
}
@ -488,7 +495,7 @@ setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *reg
}
if (err == 0)
err = setup_return(regs, ka, &frame->retcode, frame, usig);
err = setup_return(regs, ka, frame->retcode, frame, usig);
return err;
}
@ -522,7 +529,7 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (err == 0)
err = setup_return(regs, ka, &frame->retcode, frame, usig);
err = setup_return(regs, ka, frame->retcode, frame, usig);
if (err == 0) {
/*

2
arch/arm/kernel/signal.h
View File

@ -9,4 +9,4 @@
*/
#define KERN_SIGRETURN_CODE 0xffff0500
extern const unsigned long sigreturn_codes[4];
extern const unsigned long sigreturn_codes[7];

3
arch/arm/mach-ixp4xx/common.c
View File

@ -333,6 +333,7 @@ static struct platform_device *ixp46x_devices[] __initdata = {
};
unsigned long ixp4xx_exp_bus_size;
EXPORT_SYMBOL(ixp4xx_exp_bus_size);
void __init ixp4xx_sys_init(void)
{
@ -352,7 +353,7 @@ void __init ixp4xx_sys_init(void)
}
}
printk("IXP4xx: Using %uMiB expansion bus window size\n",
printk("IXP4xx: Using %luMiB expansion bus window size\n",
ixp4xx_exp_bus_size >> 20);
}

44
arch/arm/mach-omap1/clock.c
View File

@ -50,10 +50,10 @@ static int omap1_clk_enable_dsp_domain(struct clk *clk)
{
int retval;
retval = omap1_clk_use(&api_ck.clk);
retval = omap1_clk_enable(&api_ck.clk);
if (!retval) {
retval = omap1_clk_enable(clk);
omap1_clk_unuse(&api_ck.clk);
retval = omap1_clk_enable_generic(clk);
omap1_clk_disable(&api_ck.clk);
}
return retval;
@ -61,9 +61,9 @@ static int omap1_clk_enable_dsp_domain(struct clk *clk)
static void omap1_clk_disable_dsp_domain(struct clk *clk)
{
if (omap1_clk_use(&api_ck.clk) == 0) {
omap1_clk_disable(clk);
omap1_clk_unuse(&api_ck.clk);
if (omap1_clk_enable(&api_ck.clk) == 0) {
omap1_clk_disable_generic(clk);
omap1_clk_disable(&api_ck.clk);
}
}
@ -72,7 +72,7 @@ static int omap1_clk_enable_uart_functional(struct clk *clk)
int ret;
struct uart_clk *uclk;
ret = omap1_clk_enable(clk);
ret = omap1_clk_enable_generic(clk);
if (ret == 0) {
/* Set smart idle acknowledgement mode */
uclk = (struct uart_clk *)clk;
@ -91,7 +91,7 @@ static void omap1_clk_disable_uart_functional(struct clk *clk)
uclk = (struct uart_clk *)clk;
omap_writeb((omap_readb(uclk->sysc_addr) & ~0x18), uclk->sysc_addr);
omap1_clk_disable(clk);
omap1_clk_disable_generic(clk);
}
static void omap1_clk_allow_idle(struct clk *clk)
@ -230,9 +230,9 @@ static void omap1_ckctl_recalc_dsp_domain(struct clk * clk)
* Note that DSP_CKCTL virt addr = phys addr, so
* we must use __raw_readw() instead of omap_readw().
*/
omap1_clk_use(&api_ck.clk);
omap1_clk_enable(&api_ck.clk);
dsor = 1 << (3 & (__raw_readw(DSP_CKCTL) >> clk->rate_offset));
omap1_clk_unuse(&api_ck.clk);
omap1_clk_disable(&api_ck.clk);
if (unlikely(clk->rate == clk->parent->rate / dsor))
return; /* No change, quick exit */
@ -412,12 +412,12 @@ static void omap1_init_ext_clk(struct clk * clk)
clk-> rate = 96000000 / dsor;
}
static int omap1_clk_use(struct clk *clk)
static int omap1_clk_enable(struct clk *clk)
{
int ret = 0;
if (clk->usecount++ == 0) {
if (likely(clk->parent)) {
ret = omap1_clk_use(clk->parent);
ret = omap1_clk_enable(clk->parent);
if (unlikely(ret != 0)) {
clk->usecount--;
@ -432,7 +432,7 @@ static int omap1_clk_use(struct clk *clk)
ret = clk->enable(clk);
if (unlikely(ret != 0) && clk->parent) {
omap1_clk_unuse(clk->parent);
omap1_clk_disable(clk->parent);
clk->usecount--;
}
}
@ -440,12 +440,12 @@ static int omap1_clk_use(struct clk *clk)
return ret;
}
static void omap1_clk_unuse(struct clk *clk)
static void omap1_clk_disable(struct clk *clk)
{
if (clk->usecount > 0 && !(--clk->usecount)) {
clk->disable(clk);
if (likely(clk->parent)) {
omap1_clk_unuse(clk->parent);
omap1_clk_disable(clk->parent);
if (clk->flags & CLOCK_NO_IDLE_PARENT)
if (!cpu_is_omap24xx())
omap1_clk_allow_idle(clk->parent);
@ -453,7 +453,7 @@ static void omap1_clk_unuse(struct clk *clk)
}
}
static int omap1_clk_enable(struct clk *clk)
static int omap1_clk_enable_generic(struct clk *clk)
{
__u16 regval16;
__u32 regval32;
@ -492,7 +492,7 @@ static int omap1_clk_enable(struct clk *clk)
return 0;
}
static void omap1_clk_disable(struct clk *clk)
static void omap1_clk_disable_generic(struct clk *clk)
{
__u16 regval16;
__u32 regval32;
@ -654,8 +654,8 @@ late_initcall(omap1_late_clk_reset);
#endif
static struct clk_functions omap1_clk_functions = {
.clk_use = omap1_clk_use,
.clk_unuse = omap1_clk_unuse,
.clk_enable = omap1_clk_enable,
.clk_disable = omap1_clk_disable,
.clk_round_rate = omap1_clk_round_rate,
.clk_set_rate = omap1_clk_set_rate,
};
@ -780,9 +780,9 @@ int __init omap1_clk_init(void)
* Only enable those clocks we will need, let the drivers
* enable other clocks as necessary
*/
clk_use(&armper_ck.clk);
clk_use(&armxor_ck.clk);
clk_use(&armtim_ck.clk); /* This should be done by timer code */
clk_enable(&armper_ck.clk);
clk_enable(&armxor_ck.clk);
clk_enable(&armtim_ck.clk); /* This should be done by timer code */
if (cpu_is_omap1510())
clk_enable(&arm_gpio_ck);

168
arch/arm/mach-omap1/clock.h
View File

@ -13,8 +13,8 @@
#ifndef __ARCH_ARM_MACH_OMAP1_CLOCK_H
#define __ARCH_ARM_MACH_OMAP1_CLOCK_H
static int omap1_clk_enable(struct clk * clk);
static void omap1_clk_disable(struct clk * clk);
static int omap1_clk_enable_generic(struct clk * clk);
static void omap1_clk_disable_generic(struct clk * clk);
static void omap1_ckctl_recalc(struct clk * clk);
static void omap1_watchdog_recalc(struct clk * clk);
static void omap1_ckctl_recalc_dsp_domain(struct clk * clk);
@ -30,8 +30,8 @@ static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate);
static void omap1_init_ext_clk(struct clk * clk);
static int omap1_select_table_rate(struct clk * clk, unsigned long rate);
static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate);
static int omap1_clk_use(struct clk *clk);
static void omap1_clk_unuse(struct clk *clk);
static int omap1_clk_enable(struct clk *clk);
static void omap1_clk_disable(struct clk *clk);
struct mpu_rate {
unsigned long rate;
@ -152,8 +152,8 @@ static struct clk ck_ref = {
.rate = 12000000,
.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
ALWAYS_ENABLED,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk ck_dpll1 = {
@ -161,8 +161,8 @@ static struct clk ck_dpll1 = {
.parent = &ck_ref,
.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
RATE_PROPAGATES | ALWAYS_ENABLED,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct arm_idlect1_clk ck_dpll1out = {
@ -173,8 +173,8 @@ static struct arm_idlect1_clk ck_dpll1out = {
.enable_reg = (void __iomem *)ARM_IDLECT2,
.enable_bit = EN_CKOUT_ARM,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
},
.idlect_shift = 12,
};
@ -186,8 +186,8 @@ static struct clk arm_ck = {
RATE_CKCTL | RATE_PROPAGATES | ALWAYS_ENABLED,
.rate_offset = CKCTL_ARMDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct arm_idlect1_clk armper_ck = {
@ -200,8 +200,8 @@ static struct arm_idlect1_clk armper_ck = {
.enable_bit = EN_PERCK,
.rate_offset = CKCTL_PERDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
},
.idlect_shift = 2,
};
@ -213,8 +213,8 @@ static struct clk arm_gpio_ck = {
.enable_reg = (void __iomem *)ARM_IDLECT2,
.enable_bit = EN_GPIOCK,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct arm_idlect1_clk armxor_ck = {
@ -226,8 +226,8 @@ static struct arm_idlect1_clk armxor_ck = {
.enable_reg = (void __iomem *)ARM_IDLECT2,
.enable_bit = EN_XORPCK,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
},
.idlect_shift = 1,
};
@ -241,8 +241,8 @@ static struct arm_idlect1_clk armtim_ck = {
.enable_reg = (void __iomem *)ARM_IDLECT2,
.enable_bit = EN_TIMCK,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
},
.idlect_shift = 9,
};
@ -256,8 +256,8 @@ static struct arm_idlect1_clk armwdt_ck = {
.enable_reg = (void __iomem *)ARM_IDLECT2,
.enable_bit = EN_WDTCK,
.recalc = &omap1_watchdog_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
},
.idlect_shift = 0,
};
@ -272,8 +272,8 @@ static struct clk arminth_ck16xx = {
*
* 1510 version is in TC clocks.
*/
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk dsp_ck = {
@ -285,8 +285,8 @@ static struct clk dsp_ck = {
.enable_bit = EN_DSPCK,
.rate_offset = CKCTL_DSPDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk dspmmu_ck = {
@ -296,8 +296,8 @@ static struct clk dspmmu_ck = {
RATE_CKCTL | ALWAYS_ENABLED,
.rate_offset = CKCTL_DSPMMUDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk dspper_ck = {
@ -349,8 +349,8 @@ static struct arm_idlect1_clk tc_ck = {
CLOCK_IDLE_CONTROL,
.rate_offset = CKCTL_TCDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
},
.idlect_shift = 6,
};
@ -364,8 +364,8 @@ static struct clk arminth_ck1510 = {
*
* 16xx version is in MPU clocks.
*/
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk tipb_ck = {
@ -374,8 +374,8 @@ static struct clk tipb_ck = {
.parent = &tc_ck.clk,
.flags = CLOCK_IN_OMAP1510 | ALWAYS_ENABLED,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk l3_ocpi_ck = {
@ -386,8 +386,8 @@ static struct clk l3_ocpi_ck = {
.enable_reg = (void __iomem *)ARM_IDLECT3,
.enable_bit = EN_OCPI_CK,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk tc1_ck = {
@ -397,8 +397,8 @@ static struct clk tc1_ck = {
.enable_reg = (void __iomem *)ARM_IDLECT3,
.enable_bit = EN_TC1_CK,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk tc2_ck = {
@ -408,8 +408,8 @@ static struct clk tc2_ck = {
.enable_reg = (void __iomem *)ARM_IDLECT3,
.enable_bit = EN_TC2_CK,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk dma_ck = {
@ -419,8 +419,8 @@ static struct clk dma_ck = {
.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
ALWAYS_ENABLED,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk dma_lcdfree_ck = {
@ -428,8 +428,8 @@ static struct clk dma_lcdfree_ck = {
.parent = &tc_ck.clk,
.flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct arm_idlect1_clk api_ck = {
@ -441,8 +441,8 @@ static struct arm_idlect1_clk api_ck = {
.enable_reg = (void __iomem *)ARM_IDLECT2,
.enable_bit = EN_APICK,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
},
.idlect_shift = 8,
};
@ -455,8 +455,8 @@ static struct arm_idlect1_clk lb_ck = {
.enable_reg = (void __iomem *)ARM_IDLECT2,
.enable_bit = EN_LBCK,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
},
.idlect_shift = 4,
};
@ -466,8 +466,8 @@ static struct clk rhea1_ck = {
.parent = &tc_ck.clk,
.flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk rhea2_ck = {
@ -475,8 +475,8 @@ static struct clk rhea2_ck = {
.parent = &tc_ck.clk,
.flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
.recalc = &followparent_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk lcd_ck_16xx = {
@ -487,8 +487,8 @@ static struct clk lcd_ck_16xx = {
.enable_bit = EN_LCDCK,
.rate_offset = CKCTL_LCDDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct arm_idlect1_clk lcd_ck_1510 = {
@ -501,8 +501,8 @@ static struct arm_idlect1_clk lcd_ck_1510 = {
.enable_bit = EN_LCDCK,
.rate_offset = CKCTL_LCDDIV_OFFSET,
.recalc = &omap1_ckctl_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
},
.idlect_shift = 3,
};
@ -518,8 +518,8 @@ static struct clk uart1_1510 = {
.enable_bit = 29, /* Chooses between 12MHz and 48MHz */
.set_rate = &omap1_set_uart_rate,
.recalc = &omap1_uart_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct uart_clk uart1_16xx = {
@ -550,8 +550,8 @@ static struct clk uart2_ck = {
.enable_bit = 30, /* Chooses between 12MHz and 48MHz */
.set_rate = &omap1_set_uart_rate,
.recalc = &omap1_uart_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk uart3_1510 = {
@ -565,8 +565,8 @@ static struct clk uart3_1510 = {
.enable_bit = 31, /* Chooses between 12MHz and 48MHz */
.set_rate = &omap1_set_uart_rate,
.recalc = &omap1_uart_recalc,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct uart_clk uart3_16xx = {
@ -593,8 +593,8 @@ static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */
RATE_FIXED | ENABLE_REG_32BIT,
.enable_reg = (void __iomem *)ULPD_CLOCK_CTRL,
.enable_bit = USB_MCLK_EN_BIT,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk usb_hhc_ck1510 = {
@ -605,8 +605,8 @@ static struct clk usb_hhc_ck1510 = {
RATE_FIXED | ENABLE_REG_32BIT,
.enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
.enable_bit = USB_HOST_HHC_UHOST_EN,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk usb_hhc_ck16xx = {
@ -618,8 +618,8 @@ static struct clk usb_hhc_ck16xx = {
RATE_FIXED | ENABLE_REG_32BIT,
.enable_reg = (void __iomem *)OTG_BASE + 0x08 /* OTG_SYSCON_2 */,
.enable_bit = 8 /* UHOST_EN */,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk usb_dc_ck = {
@ -629,8 +629,8 @@ static struct clk usb_dc_ck = {
.flags = CLOCK_IN_OMAP16XX | RATE_FIXED,
.enable_reg = (void __iomem *)SOFT_REQ_REG,
.enable_bit = 4,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk mclk_1510 = {
@ -638,8 +638,8 @@ static struct clk mclk_1510 = {
/* Direct from ULPD, no parent. May be enabled by ext hardware. */
.rate = 12000000,
.flags = CLOCK_IN_OMAP1510 | RATE_FIXED,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk mclk_16xx = {
@ -651,8 +651,8 @@ static struct clk mclk_16xx = {
.set_rate = &omap1_set_ext_clk_rate,
.round_rate = &omap1_round_ext_clk_rate,
.init = &omap1_init_ext_clk,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk bclk_1510 = {
@ -660,8 +660,8 @@ static struct clk bclk_1510 = {
/* Direct from ULPD, no parent. May be enabled by ext hardware. */
.rate = 12000000,
.flags = CLOCK_IN_OMAP1510 | RATE_FIXED,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk bclk_16xx = {
@ -673,8 +673,8 @@ static struct clk bclk_16xx = {
.set_rate = &omap1_set_ext_clk_rate,
.round_rate = &omap1_round_ext_clk_rate,
.init = &omap1_init_ext_clk,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk mmc1_ck = {
@ -686,8 +686,8 @@ static struct clk mmc1_ck = {
RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
.enable_bit = 23,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk mmc2_ck = {
@ -699,8 +699,8 @@ static struct clk mmc2_ck = {
RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.enable_reg = (void __iomem *)MOD_CONF_CTRL_0,
.enable_bit = 20,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk virtual_ck_mpu = {
@ -711,8 +711,8 @@ static struct clk virtual_ck_mpu = {
.recalc = &followparent_recalc,
.set_rate = &omap1_select_table_rate,
.round_rate = &omap1_round_to_table_rate,
.enable = &omap1_clk_enable,
.disable = &omap1_clk_disable,
.enable = &omap1_clk_enable_generic,
.disable = &omap1_clk_disable_generic,
};
static struct clk * onchip_clks[] = {

6
arch/arm/mach-omap1/serial.c
View File

@ -146,7 +146,7 @@ void __init omap_serial_init(void)
if (IS_ERR(uart1_ck))
printk("Could not get uart1_ck\n");
else {
clk_use(uart1_ck);
clk_enable(uart1_ck);
if (cpu_is_omap1510())
clk_set_rate(uart1_ck, 12000000);
}
@ -166,7 +166,7 @@ void __init omap_serial_init(void)
if (IS_ERR(uart2_ck))
printk("Could not get uart2_ck\n");
else {
clk_use(uart2_ck);
clk_enable(uart2_ck);
if (cpu_is_omap1510())
clk_set_rate(uart2_ck, 12000000);
else
@ -188,7 +188,7 @@ void __init omap_serial_init(void)
if (IS_ERR(uart3_ck))
printk("Could not get uart3_ck\n");
else {
clk_use(uart3_ck);
clk_enable(uart3_ck);
if (cpu_is_omap1510())
clk_set_rate(uart3_ck, 12000000);
}

32
arch/arm/mach-omap2/clock.c
View File

@ -111,7 +111,7 @@ static void omap2_clk_fixed_enable(struct clk *clk)
/* Enables clock without considering parent dependencies or use count
* REVISIT: Maybe change this to use clk->enable like on omap1?
*/
static int omap2_clk_enable(struct clk * clk)
static int _omap2_clk_enable(struct clk * clk)
{
u32 regval32;
@ -150,7 +150,7 @@ static void omap2_clk_fixed_disable(struct clk *clk)
}
/* Disables clock without considering parent dependencies or use count */
static void omap2_clk_disable(struct clk *clk)
static void _omap2_clk_disable(struct clk *clk)
{
u32 regval32;
@ -167,23 +167,23 @@ static void omap2_clk_disable(struct clk *clk)
__raw_writel(regval32, clk->enable_reg);
}
static int omap2_clk_use(struct clk *clk)
static int omap2_clk_enable(struct clk *clk)
{
int ret = 0;
if (clk->usecount++ == 0) {
if (likely((u32)clk->parent))
ret = omap2_clk_use(clk->parent);
ret = omap2_clk_enable(clk->parent);
if (unlikely(ret != 0)) {
clk->usecount--;
return ret;
}
ret = omap2_clk_enable(clk);
ret = _omap2_clk_enable(clk);
if (unlikely(ret != 0) && clk->parent) {
omap2_clk_unuse(clk->parent);
omap2_clk_disable(clk->parent);
clk->usecount--;
}
}
@ -191,12 +191,12 @@ static int omap2_clk_use(struct clk *clk)
return ret;
}
static void omap2_clk_unuse(struct clk *clk)
static void omap2_clk_disable(struct clk *clk)
{
if (clk->usecount > 0 && !(--clk->usecount)) {
omap2_clk_disable(clk);
_omap2_clk_disable(clk);
if (likely((u32)clk->parent))
omap2_clk_unuse(clk->parent);
omap2_clk_disable(clk->parent);
}
}
@ -873,7 +873,7 @@ static int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
reg = (void __iomem *)src_sel;
if (clk->usecount > 0)
omap2_clk_disable(clk);
_omap2_clk_disable(clk);
/* Set new source value (previous dividers if any in effect) */
reg_val = __raw_readl(reg) & ~(field_mask << src_off);
@ -884,7 +884,7 @@ static int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
__raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL);
if (clk->usecount > 0)
omap2_clk_enable(clk);
_omap2_clk_enable(clk);
clk->parent = new_parent;
@ -999,8 +999,6 @@ static int omap2_select_table_rate(struct clk * clk, unsigned long rate)
static struct clk_functions omap2_clk_functions = {
.clk_enable = omap2_clk_enable,
.clk_disable = omap2_clk_disable,
.clk_use = omap2_clk_use,
.clk_unuse = omap2_clk_unuse,
.clk_round_rate = omap2_clk_round_rate,
.clk_set_rate = omap2_clk_set_rate,
.clk_set_parent = omap2_clk_set_parent,
@ -1045,7 +1043,7 @@ static void __init omap2_disable_unused_clocks(void)
continue;
printk(KERN_INFO "Disabling unused clock \"%s\"\n", ck->name);
omap2_clk_disable(ck);
_omap2_clk_disable(ck);
}
}
late_initcall(omap2_disable_unused_clocks);
@ -1120,10 +1118,10 @@ int __init omap2_clk_init(void)
* Only enable those clocks we will need, let the drivers
* enable other clocks as necessary
*/
clk_use(&sync_32k_ick);
clk_use(&omapctrl_ick);
clk_enable(&sync_32k_ick);
clk_enable(&omapctrl_ick);
if (cpu_is_omap2430())
clk_use(&sdrc_ick);
clk_enable(&sdrc_ick);
return 0;
}

12
arch/arm/mach-omap2/clock.h
View File

@ -24,7 +24,7 @@ static void omap2_propagate_rate(struct clk * clk);
static void omap2_mpu_recalc(struct clk * clk);
static int omap2_select_table_rate(struct clk * clk, unsigned long rate);
static long omap2_round_to_table_rate(struct clk * clk, unsigned long rate);
static void omap2_clk_unuse(struct clk *clk);
static void omap2_clk_disable(struct clk *clk);
static void omap2_sys_clk_recalc(struct clk * clk);
static u32 omap2_clksel_to_divisor(u32 div_sel, u32 field_val);
static u32 omap2_clksel_get_divisor(struct clk *clk);
@ -859,7 +859,7 @@ static struct clk core_l3_ck = { /* Used for ick and fck, interconnect */
static struct clk usb_l4_ick = { /* FS-USB interface clock */
.name = "usb_l4_ick",
.parent = &core_ck,
.parent = &core_l3_ck,
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP |
CONFIG_PARTICIPANT,
@ -1045,7 +1045,7 @@ static struct clk gpt1_ick = {
.name = "gpt1_ick",
.parent = &l4_ck,
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
.enable_reg = (void __iomem *)&CM_ICLKEN_WKUP, /* Bit4 */
.enable_reg = (void __iomem *)&CM_ICLKEN_WKUP, /* Bit0 */
.enable_bit = 0,
.recalc = &omap2_followparent_recalc,
};
@ -1055,7 +1055,7 @@ static struct clk gpt1_fck = {
.parent = &func_32k_ck,
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
CM_WKUP_SEL1,
.enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
.enable_reg = (void __iomem *)&CM_FCLKEN_WKUP, /* Bit0 */
.enable_bit = 0,
.src_offset = 0,
.recalc = &omap2_followparent_recalc,
@ -1065,7 +1065,7 @@ static struct clk gpt2_ick = {
.name = "gpt2_ick",
.parent = &l4_ck,
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
.enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit4 */
.enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit4 */
.enable_bit = 0,
.recalc = &omap2_followparent_recalc,
};
@ -1839,7 +1839,7 @@ static struct clk usb_fck = {
static struct clk usbhs_ick = {
.name = "usbhs_ick",
.parent = &l4_ck,
.parent = &core_l3_ck,
.flags = CLOCK_IN_OMAP243X,
.enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
.enable_bit = 6,

12
arch/arm/mach-omap2/serial.c
View File

@ -119,14 +119,14 @@ void __init omap_serial_init()
if (IS_ERR(uart1_ick))
printk("Could not get uart1_ick\n");
else {
clk_use(uart1_ick);
clk_enable(uart1_ick);
}
uart1_fck = clk_get(NULL, "uart1_fck");
if (IS_ERR(uart1_fck))
printk("Could not get uart1_fck\n");
else {
clk_use(uart1_fck);
clk_enable(uart1_fck);
}
break;
case 1:
@ -134,14 +134,14 @@ void __init omap_serial_init()
if (IS_ERR(uart2_ick))
printk("Could not get uart2_ick\n");
else {
clk_use(uart2_ick);
clk_enable(uart2_ick);
}
uart2_fck = clk_get(NULL, "uart2_fck");
if (IS_ERR(uart2_fck))
printk("Could not get uart2_fck\n");
else {
clk_use(uart2_fck);
clk_enable(uart2_fck);
}
break;
case 2:
@ -149,14 +149,14 @@ void __init omap_serial_init()
if (IS_ERR(uart3_ick))
printk("Could not get uart3_ick\n");
else {
clk_use(uart3_ick);
clk_enable(uart3_ick);
}
uart3_fck = clk_get(NULL, "uart3_fck");
if (IS_ERR(uart3_fck))
printk("Could not get uart3_fck\n");
else {
clk_use(uart3_fck);
clk_enable(uart3_fck);
}
break;
}

2
arch/arm/mach-omap2/timer-gp.c
View File

@ -104,7 +104,7 @@ static void __init omap2_gp_timer_init(void)
if (IS_ERR(sys_ck))
printk(KERN_ERR "Could not get sys_ck\n");
else {
clk_use(sys_ck);
clk_enable(sys_ck);
tick_period = clk_get_rate(sys_ck) / 100;
clk_put(sys_ck);
}

41
arch/arm/plat-omap/clock.c
View File

@ -34,7 +34,7 @@ DEFINE_SPINLOCK(clockfw_lock);
static struct clk_functions *arch_clock;
/*-------------------------------------------------------------------------
* Standard clock functions defined in asm/hardware/clock.h
* Standard clock functions defined in include/linux/clk.h
*-------------------------------------------------------------------------*/
struct clk * clk_get(struct device *dev, const char *id)
@ -60,12 +60,8 @@ int clk_enable(struct clk *clk)
int ret = 0;
spin_lock_irqsave(&clockfw_lock, flags);
if (clk->enable)
ret = clk->enable(clk);
else if (arch_clock->clk_enable)
if (arch_clock->clk_enable)
ret = arch_clock->clk_enable(clk);
else
printk(KERN_ERR "Could not enable clock %s\n", clk->name);
spin_unlock_irqrestore(&clockfw_lock, flags);
return ret;
@ -77,41 +73,12 @@ void clk_disable(struct clk *clk)
unsigned long flags;
spin_lock_irqsave(&clockfw_lock, flags);
if (clk->disable)
clk->disable(clk);
else if (arch_clock->clk_disable)
if (arch_clock->clk_disable)
arch_clock->clk_disable(clk);
else
printk(KERN_ERR "Could not disable clock %s\n", clk->name);
spin_unlock_irqrestore(&clockfw_lock, flags);
}
EXPORT_SYMBOL(clk_disable);
int clk_use(struct clk *clk)
{
unsigned long flags;
int ret = 0;
spin_lock_irqsave(&clockfw_lock, flags);
if (arch_clock->clk_use)
ret = arch_clock->clk_use(clk);
spin_unlock_irqrestore(&clockfw_lock, flags);
return ret;
}
EXPORT_SYMBOL(clk_use);
void clk_unuse(struct clk *clk)
{
unsigned long flags;
spin_lock_irqsave(&clockfw_lock, flags);
if (arch_clock->clk_unuse)
arch_clock->clk_unuse(clk);
spin_unlock_irqrestore(&clockfw_lock, flags);
}
EXPORT_SYMBOL(clk_unuse);
int clk_get_usecount(struct clk *clk)
{
unsigned long flags;
@ -146,7 +113,7 @@ void clk_put(struct clk *clk)
EXPORT_SYMBOL(clk_put);
/*-------------------------------------------------------------------------
* Optional clock functions defined in asm/hardware/clock.h
* Optional clock functions defined in include/linux/clk.h
*-------------------------------------------------------------------------*/
long clk_round_rate(struct clk *clk, unsigned long rate)

6
arch/arm/plat-omap/gpio.c
View File

@ -853,19 +853,19 @@ static int __init _omap_gpio_init(void)
if (IS_ERR(gpio_ick))
printk("Could not get arm_gpio_ck\n");
else
clk_use(gpio_ick);
clk_enable(gpio_ick);
}
if (cpu_is_omap24xx()) {
gpio_ick = clk_get(NULL, "gpios_ick");
if (IS_ERR(gpio_ick))
printk("Could not get gpios_ick\n");
else
clk_use(gpio_ick);
clk_enable(gpio_ick);
gpio_fck = clk_get(NULL, "gpios_fck");
if (IS_ERR(gpio_ick))
printk("Could not get gpios_fck\n");
else
clk_use(gpio_fck);
clk_enable(gpio_fck);
}
#ifdef CONFIG_ARCH_OMAP15XX

12
arch/arm/plat-omap/mcbsp.c
View File

@ -190,11 +190,11 @@ static int omap_mcbsp_check(unsigned int id)
static void omap_mcbsp_dsp_request(void)
{
if (cpu_is_omap1510() || cpu_is_omap16xx()) {
clk_use(mcbsp_dsp_ck);
clk_use(mcbsp_api_ck);
clk_enable(mcbsp_dsp_ck);
clk_enable(mcbsp_api_ck);
/* enable 12MHz clock to mcbsp 1 & 3 */
clk_use(mcbsp_dspxor_ck);
clk_enable(mcbsp_dspxor_ck);
/*
* DSP external peripheral reset
@ -208,9 +208,9 @@ static void omap_mcbsp_dsp_request(void)
static void omap_mcbsp_dsp_free(void)
{
if (cpu_is_omap1510() || cpu_is_omap16xx()) {
clk_unuse(mcbsp_dspxor_ck);
clk_unuse(mcbsp_dsp_ck);
clk_unuse(mcbsp_api_ck);
clk_disable(mcbsp_dspxor_ck);
clk_disable(mcbsp_dsp_ck);
clk_disable(mcbsp_api_ck);
}
}

4
arch/arm/plat-omap/ocpi.c
View File

@ -88,7 +88,7 @@ static int __init omap_ocpi_init(void)
if (IS_ERR(ocpi_ck))
return PTR_ERR(ocpi_ck);
clk_use(ocpi_ck);
clk_enable(ocpi_ck);
ocpi_enable();
printk("OMAP OCPI interconnect driver loaded\n");
@ -102,7 +102,7 @@ static void __exit omap_ocpi_exit(void)
if (!cpu_is_omap16xx())
return;
clk_unuse(ocpi_ck);
clk_disable(ocpi_ck);
clk_put(ocpi_ck);
}

2
drivers/serial/Kconfig
View File

@ -301,7 +301,7 @@ config SERIAL_AT91_TTYAT
depends on SERIAL_AT91=y
help
Say Y here if you wish to have the five internal AT91RM9200 UARTs
appear as /dev/ttyAT0-4 (major 240, minor 0-4) instead of the
appear as /dev/ttyAT0-4 (major 204, minor 154-158) instead of the
normal /dev/ttyS0-4 (major 4, minor 64-68). This is necessary if
you also want other UARTs, such as external 8250/16C550 compatible
UARTs.

2
drivers/serial/at91_serial.c
View File

@ -222,8 +222,6 @@ static void at91_rx_chars(struct uart_port *port, struct pt_regs *regs)
while (status & (AT91_US_RXRDY)) {
ch = UART_GET_CHAR(port);
if (tty->flip.count >= TTY_FLIPBUF_SIZE)
goto ignore_char;
port->icount.rx++;
flg = TTY_NORMAL;

2
include/asm-arm/arch-omap/clock.h
View File

@ -38,8 +38,6 @@ struct clk {
struct clk_functions {
int (*clk_enable)(struct clk *clk);
void (*clk_disable)(struct clk *clk);
int (*clk_use)(struct clk *clk);
void (*clk_unuse)(struct clk *clk);
long (*clk_round_rate)(struct clk *clk, unsigned long rate);
int (*clk_set_rate)(struct clk *clk, unsigned long rate);
int (*clk_set_parent)(struct clk *clk, struct clk *parent);

14
include/asm-arm/arch-pxa/pxa-regs.h
View File

@ -108,6 +108,7 @@
#define DCSR_STARTINTR (1 << 1) /* Start Interrupt (read / write) */
#define DCSR_BUSERR (1 << 0) /* Bus Error Interrupt (read / write) */
#define DALGN __REG(0x400000a0) /* DMA Alignment Register */
#define DINT __REG(0x400000f0) /* DMA Interrupt Register */
#define DRCMR(n) __REG2(0x40000100, (n)<<2)
@ -1614,8 +1615,21 @@
#define SSCR0_National (0x2 << 4) /* National Microwire */
#define SSCR0_ECS (1 << 6) /* External clock select */
#define SSCR0_SSE (1 << 7) /* Synchronous Serial Port Enable */
#if defined(CONFIG_PXA25x)
#define SSCR0_SCR (0x0000ff00) /* Serial Clock Rate (mask) */
#define SSCR0_SerClkDiv(x) ((((x) - 2)/2) << 8) /* Divisor [2..512] */
#elif defined(CONFIG_PXA27x)
#define SSCR0_SCR (0x000fff00) /* Serial Clock Rate (mask) */
#define SSCR0_SerClkDiv(x) (((x) - 1) << 8) /* Divisor [1..4096] */
#define SSCR0_EDSS (1 << 20) /* Extended data size select */
#define SSCR0_NCS (1 << 21) /* Network clock select */
#define SSCR0_RIM (1 << 22) /* Receive FIFO overrrun interrupt mask */
#define SSCR0_TUM (1 << 23) /* Transmit FIFO underrun interrupt mask */
#define SSCR0_FRDC (0x07000000) /* Frame rate divider control (mask) */
#define SSCR0_SlotsPerFrm(c) ((x) - 1) /* Time slots per frame [1..8] */
#define SSCR0_ADC (1 << 30) /* Audio clock select */
#define SSCR0_MOD (1 << 31) /* Mode (normal or network) */
#endif
#define SSCR1_RIE (1 << 0) /* Receive FIFO Interrupt Enable */
#define SSCR1_TIE (1 << 1) /* Transmit FIFO Interrupt Enable */