From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Huacai Chen <chenhc@lemote.com>, Ralf Baechle <ralf@linux-mips.org>
Cc: "Steven J. Hill" <Steven.Hill@imgtec.com>,
linux-mips@linux-mips.org, Fuxin Zhang <zhangfx@lemote.com>,
Zhangjin Wu <wuzhangjin@gmail.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] MIPS: Loongson-3: Add IRQF_NO_SUSPEND to Cascade irqaction
Date: Thu, 12 Mar 2015 14:59:46 +0300 [thread overview]
Message-ID: <55017FB2.2070804@cogentembedded.com> (raw)
In-Reply-To: <1426132266-30379-1-git-send-email-chenhc@lemote.com>
Hello.
On 3/12/2015 6:51 AM, Huacai Chen wrote:
> HPET irq is routed to i8259 and then to MIPS CPU irq (cascade). After
IRQ.
> commit a3e6c1eff5 (MIPS: IRQ: Fix disable_irq on CPU IRQs), if without
"If" not needed, I think.
> IRQF_NO_SUSPEND in cascade_irqaction, HPET interrupts will lost during
Will be lost.
> suspend. The result is machine cannot be waken up.
Woken up.
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Huacai Chen <chenhc@lemote.com>
Perhaps Ralf could fix these when applying...
WBR, Sergei
prev parent reply other threads:[~2015-03-12 11:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-12 3:51 [PATCH] MIPS: Loongson-3: Add IRQF_NO_SUSPEND to Cascade irqaction Huacai Chen
2015-03-12 3:51 ` Huacai Chen
2015-03-12 11:59 ` Sergei Shtylyov [this message]
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