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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 <nbd@nbd.name> Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/19913/ Cc: James Hogan <jhogan@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org
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@ -40,6 +40,7 @@ static char ath79_sys_type[ATH79_SYS_TYPE_LEN];
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static void ath79_restart(char *command)
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{
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local_irq_disable();
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ath79_device_reset_set(AR71XX_RESET_FULL_CHIP);
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for (;;)
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if (cpu_wait)
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@ -167,6 +167,7 @@ static inline u32 ath79_pll_rr(unsigned reg)
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static inline void ath79_reset_wr(unsigned reg, u32 val)
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{
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__raw_writel(val, ath79_reset_base + reg);
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(void) __raw_readl(ath79_reset_base + reg); /* flush */
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}
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static inline u32 ath79_reset_rr(unsigned reg)
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