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- From 59c7470bc5c4b29ed77d46fc4982f1d85b5cbec1 Mon Sep 17 00:00:00 2001
- From: Felix Fietkau <[email protected]>
- Date: Mon, 5 Mar 2018 11:33:54 +0100
- Subject: [PATCH 13/33] MIPS: ath79: fix system restart
- This patch disables irq on reboot to fix hang issues that were observed
- due to pending interrupts.
- Signed-off-by: Felix Fietkau <[email protected]>
- Signed-off-by: John Crispin <[email protected]>
- ---
- arch/mips/ath79/setup.c | 1 +
- arch/mips/include/asm/mach-ath79/ath79.h | 1 +
- 2 files changed, 2 insertions(+)
- --- a/arch/mips/ath79/setup.c
- +++ b/arch/mips/ath79/setup.c
- @@ -40,6 +40,7 @@ static char ath79_sys_type[ATH79_SYS_TYP
-
- static void ath79_restart(char *command)
- {
- + local_irq_disable();
- ath79_device_reset_set(AR71XX_RESET_FULL_CHIP);
- for (;;)
- if (cpu_wait)
- --- a/arch/mips/include/asm/mach-ath79/ath79.h
- +++ b/arch/mips/include/asm/mach-ath79/ath79.h
- @@ -167,6 +167,7 @@ static inline u32 ath79_pll_rr(unsigned
- static inline void ath79_reset_wr(unsigned reg, u32 val)
- {
- __raw_writel(val, ath79_reset_base + reg);
- + (void) __raw_readl(ath79_reset_base + reg); /* flush */
- }
-
- static inline u32 ath79_reset_rr(unsigned reg)
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