From 532b8cb5dae79e6b533b3b9d8051bfe0af58ee4d Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Fri, 18 Nov 2011 01:40:24 +0800 Subject: [PATCH] ARM: restart: at91: use new restart hook Rather than using a private function pointer, use the existing arm_pm_restart function pointer instead. We no longer need to enable the I-cache in at91sam9_alt_reset() as the caches will now be on when this function is called. Update the function names to use the 'restart' terminology rather than the 'reboot' terminology. Signed-off-by: Russell King Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- arch/arm/mach-at91/at91cap9.c | 4 ++-- arch/arm/mach-at91/at91rm9200.c | 4 ++-- arch/arm/mach-at91/at91sam9260.c | 2 +- arch/arm/mach-at91/at91sam9261.c | 2 +- arch/arm/mach-at91/at91sam9263.c | 2 +- arch/arm/mach-at91/at91sam9_alt_reset.S | 9 ++------- arch/arm/mach-at91/at91sam9g45.c | 4 ++-- arch/arm/mach-at91/at91sam9rl.c | 2 +- arch/arm/mach-at91/generic.h | 3 +-- arch/arm/mach-at91/include/mach/system.h | 5 ----- 10 files changed, 13 insertions(+), 24 deletions(-) diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index 81a9f38453e5..e484a09059b1 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -312,7 +312,7 @@ static struct at91_gpio_bank at91cap9_gpio[] __initdata = { } }; -static void at91cap9_reset(void) +static void at91cap9_restart(char mode, const char *cmd) { at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } @@ -335,7 +335,7 @@ static void __init at91cap9_ioremap_registers(void) static void __init at91cap9_initialize(void) { - at91_arch_reset = at91cap9_reset; + arm_pm_restart = at91cap9_restart; at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index 9163d7d5f76e..99c3174e24a2 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -289,7 +289,7 @@ static struct at91_gpio_bank at91rm9200_gpio[] __initdata = { } }; -static void at91rm9200_reset(void) +static void at91rm9200_restart(char mode, const char *cmd) { /* * Perform a hardware reset with the use of the Watchdog timer. @@ -314,7 +314,7 @@ static void __init at91rm9200_ioremap_registers(void) static void __init at91rm9200_initialize(void) { - at91_arch_reset = at91rm9200_reset; + arm_pm_restart = at91rm9200_restart; at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1) | (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3) | (1 << AT91RM9200_ID_IRQ4) | (1 << AT91RM9200_ID_IRQ5) diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 5e25cef9fa6d..9219b2970913 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -327,7 +327,7 @@ static void __init at91sam9260_ioremap_registers(void) static void __init at91sam9260_initialize(void) { - at91_arch_reset = at91sam9_alt_reset; + arm_pm_restart = at91sam9_alt_restart; at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1) | (1 << AT91SAM9260_ID_IRQ2); diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index a0538c5c2520..b85b9ea60170 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -287,7 +287,7 @@ static void __init at91sam9261_ioremap_registers(void) static void __init at91sam9261_initialize(void) { - at91_arch_reset = at91sam9_alt_reset; + arm_pm_restart = at91sam9_alt_restart; at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1) | (1 << AT91SAM9261_ID_IRQ2); diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index 0d90b6a2da1e..c26e0a17e05c 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -306,7 +306,7 @@ static void __init at91sam9263_ioremap_registers(void) static void __init at91sam9263_initialize(void) { - at91_arch_reset = at91sam9_alt_reset; + arm_pm_restart = at91sam9_alt_restart; at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/at91sam9_alt_reset.S b/arch/arm/mach-at91/at91sam9_alt_reset.S index e0256deb91fb..d3f931c5942e 100644 --- a/arch/arm/mach-at91/at91sam9_alt_reset.S +++ b/arch/arm/mach-at91/at91sam9_alt_reset.S @@ -14,20 +14,15 @@ */ #include -#include #include #include #include .arm - .globl at91sam9_alt_reset + .globl at91sam9_alt_restart -at91sam9_alt_reset: mrc p15, 0, r0, c1, c0, 0 - orr r0, r0, #CR_I - mcr p15, 0, r0, c1, c0, 0 @ enable I-cache - - ldr r0, .at91_va_base_sdramc @ preload constants +at91sam9_alt_restart: ldr r0, .at91_va_base_sdramc @ preload constants ldr r1, .at91_va_base_rstc_cr mov r2, #1 diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 72c3cce075e2..9344da5e9464 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -316,7 +316,7 @@ static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = { } }; -static void at91sam9g45_reset(void) +static void at91sam9g45_restart(char mode, const char *cmd) { at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } @@ -340,7 +340,7 @@ static void __init at91sam9g45_ioremap_registers(void) static void __init at91sam9g45_initialize(void) { - at91_arch_reset = at91sam9g45_reset; + arm_pm_restart = at91sam9g45_restart; at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index 96247f68b9d2..d6bcb1da11df 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -292,7 +292,7 @@ static void __init at91sam9rl_ioremap_registers(void) static void __init at91sam9rl_initialize(void) { - at91_arch_reset = at91sam9_alt_reset; + arm_pm_restart = at91sam9_alt_restart; at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 40309588f360..4866b8180d66 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -58,7 +58,7 @@ extern void at91_irq_suspend(void); extern void at91_irq_resume(void); /* reset */ -extern void at91sam9_alt_reset(void); +extern void at91sam9_alt_restart(char, const char *); /* shutdown */ extern void at91_ioremap_shdwc(u32 base_addr); @@ -74,5 +74,4 @@ struct at91_gpio_bank { extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); extern void __init at91_gpio_irq_setup(void); -extern void (*at91_arch_reset)(void); extern int at91_extern_irq; diff --git a/arch/arm/mach-at91/include/mach/system.h b/arch/arm/mach-at91/include/mach/system.h index 36af14bc13bb..079eb12b073f 100644 --- a/arch/arm/mach-at91/include/mach/system.h +++ b/arch/arm/mach-at91/include/mach/system.h @@ -47,13 +47,8 @@ static inline void arch_idle(void) #endif } -void (*at91_arch_reset)(void); - static inline void arch_reset(char mode, const char *cmd) { - /* call the CPU-specific reset function */ - if (at91_arch_reset) - (at91_arch_reset)(); } #endif -- 2.39.5