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List: linux-mips-cvs
Subject: MIPS: Loongson-3: Add IRQF_NO_SUSPEND to Cascade irqaction
From: linux-mips () linux-mips ! org
Date: 2015-03-18 9:26:55
Message-ID: S27014041AbbCRJ06RtsR3/20150318092658Z+5308 () eddie ! linux-mips ! org
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Author: Huacai Chen <chenhc@lemote.com> Thu Mar 12 11:51:06 2015 +0800
Comitter: Ralf Baechle <ralf@linux-mips.org> Mon Mar 16 14:55:47 2015 +0100
Commit: cd242f1007169887e46ec3567897ff6ac94917c4
Gitweb: http://git.linux-mips.org/g/ralf/linux/cd242f100716
Branch: linux-3.17-stable
HPET irq is routed to i8259 and then to MIPS CPU irq (cascade). After
commit a3e6c1eff5 (MIPS: IRQ: Fix disable_irq on CPU IRQs), if without
IRQF_NO_SUSPEND in cascade_irqaction, HPET interrupts will lost during
suspend. The result is machine cannot be waken up.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: <stable@vger.kernel.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/9528/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
(cherry picked from commit 715fc8d21d3d6796f7551099cef4f0cb7fcd92ec)
---
arch/mips/loongson/loongson-3/irq.c | 1 +
1 file changed, 1 insertion(+)
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