linux-kernel - [PATCH 7/9] mailbox: add IRQF_NO

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Message-ID: <1355836212-17956-8-git-send-email-loic.pallardy-ext@stericsson.com>
Date:	Tue, 18 Dec 2012 14:10:10 +0100
From:	Loic Pallardy <loic.pallardy-ext@...ricsson.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Russell King <linux@....linux.org.uk>,
	Tony Lindgren <tony@...mide.com>,
	Janusz Krzysztofik <jkrzyszt@....icnet.pl>,
	Omar Ramirez Luna <omar.ramirez@...itl.com>,
	Loic PALLARDY <loic.pallardy@...com>,
	Arnd Bergmann <arnd@...db.de>,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Dom Cobley <popcornmix@...il.com>,
	Wim Van Sebroeck <wim@...ana.be>,
	Linus Walleij <linus.walleij@...aro.org>,
	Suman Anna <s-anna@...com>, Juan Gutierrez <jgutierrez@...com>,
	Felipe Contreras <felipe.contreras@...ia.com>,
	Tejun Heo <tj@...nel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	STEricsson_nomadik_linux <STEricsson_nomadik_linux@...t.st.com>,
	Loic Pallardy <loic.pallardy-ext@...ricsson.com>
Subject: [PATCH 7/9] mailbox: add IRQF_NO_SUSPEND flag

Coprocessor must be accessible during suspend transitions.

Signed-off-by: Loic Pallardy <loic.pallardy@...com>
---
 drivers/mailbox/mailbox.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index c0a8e49..57cb566 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -311,7 +311,8 @@ static int mailbox_startup(struct mailbox *mbox)
 	}
 
 	if (!mbox->use_count++) {
-		ret = request_irq(mbox->irq, mbox_interrupt, IRQF_SHARED,
+		ret = request_irq(mbox->irq, mbox_interrupt,
+				IRQF_SHARED | IRQF_NO_SUSPEND,
 				mbox->name, mbox);
 		if (unlikely(ret)) {
 			pr_err("failed to register mailbox interrupt:%d\n",
-- 
1.7.11.1

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