linux-kernel - [PATCH] mfd: use IRQF

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Message-ID: <20120919014113.GA15981@localhost>
Date:	Wed, 19 Sep 2012 09:41:13 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>
Cc:	Haojian Zhuang <haojian.zhuang@...vell.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] mfd: use IRQF_ONESHOT for max8925

Generated by: scripts/coccinelle/misc/irqf_oneshot.cocci

Make sure threaded IRQs without a primary handler are always request
with IRQF_ONESHOT.

Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

Please take the patch only if it's a positive warning. Thanks!

 drivers/mfd/max8925-core.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- linux.orig/drivers/mfd/max8925-core.c	2012-09-18 08:22:36.381180459 +0800
+++ linux/drivers/mfd/max8925-core.c	2012-09-19 09:37:52.471984440 +0800
@@ -547,7 +547,7 @@ static int max8925_irq_init(struct max89
 		goto tsc_irq;
 	}
 
-	ret = request_threaded_irq(irq, NULL, max8925_irq, flags,
+	ret = request_threaded_irq(irq, NULL, max8925_irq, flags | IRQF_ONESHOT,
 				   "max8925", chip);
 	if (ret) {
 		dev_err(chip->dev, "Failed to request core IRQ: %d\n", ret);
@@ -565,7 +565,7 @@ tsc_irq:
 	chip->tsc_irq = pdata->tsc_irq;
 
 	ret = request_threaded_irq(chip->tsc_irq, NULL, max8925_tsc_irq,
-				   flags, "max8925-tsc", chip);
+				   flags | IRQF_ONESHOT, "max8925-tsc", chip);
 	if (ret) {
 		dev_err(chip->dev, "Failed to request TSC IRQ: %d\n", ret);
 		chip->tsc_irq = 0;
--
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