linux-kernel - [RFC/PATCH 1/4] input: keyboard: twl4030: move to request_threaded

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Message-Id: <1260786654-13294-2-git-send-email-felipe.balbi@nokia.com>
Date:	Mon, 14 Dec 2009 12:30:51 +0200
From:	Felipe Balbi <felipe.balbi@...ia.com>
To:	linux-kernel@...r.kernel.org
Cc:	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>,
	Aaro Koskinen <aaro.koskinen@...ia.com>,
	David Brownell <david-b@...bell.net>,
	Linux USB Mailing List <linux-usb@...r.kernel.org>,
	Anton Vorontsov <avorontsov@...mvista.com>,
	Grazvydas Ignotas <notasas@...il.com>,
	Madhusudhan Chikkature <madhu.cr@...com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Samuel Ortiz <sameo@...nedhand.com>,
	Felipe Balbi <felipe.balbi@...ia.com>
Subject: [RFC/PATCH 1/4] input: keyboard: twl4030: move to request_threaded_irq

move to request_threaded_irq() on twl4030 children.

Signed-off-by: Felipe Balbi <felipe.balbi@...ia.com>
---
 drivers/input/keyboard/twl4030_keypad.c |   11 ++---------
 1 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index 9a2977c..753a693 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -253,14 +253,6 @@ static irqreturn_t do_kp_irq(int irq, void *_kp)
 	u8 reg;
 	int ret;
 
-#ifdef CONFIG_LOCKDEP
-	/* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
-	 * we don't want and can't tolerate.  Although it might be
-	 * friendlier not to borrow this thread context...
-	 */
-	local_irq_enable();
-#endif
-
 	/* Read & Clear TWL4030 pending interrupt */
 	ret = twl4030_kpread(kp, &reg, KEYP_ISR1, 1);
 
@@ -403,7 +395,8 @@ static int __devinit twl4030_kp_probe(struct platform_device *pdev)
 	 *
 	 * NOTE:  we assume this host is wired to TWL4040 INT1, not INT2 ...
 	 */
-	error = request_irq(kp->irq, do_kp_irq, 0, pdev->name, kp);
+	error = request_threaded_irq(kp->irq, NULL, do_kp_irq,
+			0, pdev->name, kp);
 	if (error) {
 		dev_info(kp->dbg_dev, "request_irq failed for irq no=%d\n",
 			kp->irq);
-- 
1.6.6.rc0

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