Messages in this thread Patch in this message | | | From | Boris BREZILLON <> | Subject | [PATCH] ARM: at91: fix rtc irq mask for sam9x5 SoCs | Date | Wed, 7 May 2014 18:20:49 +0200 |
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The RTC IMR register is not reliable on sam9x5 SoCs, hence why me have to mask all interrupts no matter what IMR claims about already masked irqs.
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Reported-by: Bryan Evenson <bevenson@melinkcorp.com> --- Hello Bryan,
Yet another patch for you ;-).
As usual, could you tell me if it fixes your bug.
BTW, thanks for your tests.
Best Regards,
Boris
arch/arm/mach-at91/sysirq_mask.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/arch/arm/mach-at91/sysirq_mask.c b/arch/arm/mach-at91/sysirq_mask.c index 2ba694f..eb3d2a5 100644 --- a/arch/arm/mach-at91/sysirq_mask.c +++ b/arch/arm/mach-at91/sysirq_mask.c @@ -37,12 +37,7 @@ void __init at91_sysirq_mask_rtc(u32 rtc_base) if (!base) return; - mask = readl_relaxed(base + AT91_RTC_IMR); - if (mask) { - pr_info("AT91: Disabling rtc irq\n"); - writel_relaxed(mask, base + AT91_RTC_IDR); - (void)readl_relaxed(base + AT91_RTC_IMR); /* flush */ - } + writel_relaxed(0x1f, base + AT91_RTC_IDR); iounmap(base); } -- 1.8.3.2
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