diff options
Diffstat (limited to 'arch/arm/kernel/process.c')
| -rw-r--r-- | arch/arm/kernel/process.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 75316f0dd02..eeb3e16c604 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -57,7 +57,7 @@ static const char *isa_modes[] = { "ARM" , "Thumb" , "Jazelle", "ThumbEE" }; -extern void setup_mm_for_reboot(char mode); +extern void setup_mm_for_reboot(void); static volatile int hlt_counter; @@ -92,7 +92,7 @@ static int __init hlt_setup(char *__unused) __setup("nohlt", nohlt_setup); __setup("hlt", hlt_setup); -void arm_machine_restart(char mode, const char *cmd) +void soft_restart(unsigned long addr) { /* Disable interrupts first */ local_irq_disable(); @@ -103,7 +103,7 @@ void arm_machine_restart(char mode, const char *cmd) * we may need it to insert some 1:1 mappings so that * soft boot works. */ - setup_mm_for_reboot(mode); + setup_mm_for_reboot(); /* Clean and invalidate caches */ flush_cache_all(); @@ -114,18 +114,17 @@ void arm_machine_restart(char mode, const char *cmd) /* Push out any further dirty data, and ensure cache is empty */ flush_cache_all(); - /* - * Now call the architecture specific reboot code. - */ - arch_reset(mode, cmd); + cpu_reset(addr); +} - /* - * Whoops - the architecture was unable to reboot. - * Tell the user! - */ - mdelay(1000); - printk("Reboot failed -- System halted\n"); - while (1); +void arm_machine_restart(char mode, const char *cmd) +{ + /* Disable interrupts first */ + local_irq_disable(); + local_fiq_disable(); + + /* Call the architecture specific reboot code. */ + arch_reset(mode, cmd); } /* @@ -192,6 +191,9 @@ void cpu_idle(void) #endif local_irq_disable(); +#ifdef CONFIG_PL310_ERRATA_769419 + wmb(); +#endif if (hlt_counter) { local_irq_enable(); cpu_relax(); @@ -250,7 +252,15 @@ void machine_power_off(void) void machine_restart(char *cmd) { machine_shutdown(); + arm_pm_restart(reboot_mode, cmd); + + /* Give a grace period for failure to restart of 1s */ + mdelay(1000); + + /* Whoops - the platform was unable to reboot. Tell the user! */ + printk("Reboot failed -- System halted\n"); + while (1); } void __show_regs(struct pt_regs *regs) |