linux-kernel - [PATCH 03/11] blackfin: smp: add suspend and wakeup irq flags

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Date:	Mon, 12 Dec 2011 11:28:25 +0800
From:	Bob Liu <lliubbo@...il.com>
To:	<linux-kernel@...r.kernel.org>
CC:	<sonic.adi@...il.com>, <uclinux-dist-devel@...ckfin.uclinux.org>,
	<vapier@...too.org>, Bob Liu <lliubbo@...il.com>,
	Steven Miao <realmz6@...il.com>
Subject: [PATCH 03/11] blackfin: smp: add suspend and wakeup irq flags

Add IRQF_NO_SUSPEND | IRQF_FORCE_RESUME to irq flags, supplement irq should
not be disabled when system do suspend.

Signed-off-by: Steven Miao <realmz6@...il.com>
Signed-off-by: Bob Liu <lliubbo@...il.com>
---
 arch/blackfin/mach-bf561/smp.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/blackfin/mach-bf561/smp.c b/arch/blackfin/mach-bf561/smp.c
index db22401..b2a6b77 100644
--- a/arch/blackfin/mach-bf561/smp.c
+++ b/arch/blackfin/mach-bf561/smp.c
@@ -114,7 +114,8 @@ void __init platform_request_ipi(int irq, void *handler)
 	int ret;
 	const char *name = (irq == IRQ_SUPPLE_0) ? supple0 : supple1;
 
-	ret = request_irq(irq, handler, IRQF_PERCPU, name, handler);
+	ret = request_irq(irq, handler, IRQF_PERCPU | IRQF_NO_SUSPEND |
+			IRQF_FORCE_RESUME, name, handler);
 	if (ret)
 		panic("Cannot request %s for IPI service", name);
 }
-- 
1.7.0.4


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