From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 17 Apr 2008 13:24:48 +0000 (-0400)
Subject: Input: wm97xx-core - use IRQF_SAMPLE_RANDOM
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=db7c10e708b9bdd1618c034591d27c33cb341222;p=openwrt%2Fstaging%2Fblogic.git

Input: wm97xx-core - use IRQF_SAMPLE_RANDOM

The touchscreen interrupt is driven by human input which can reasonably
be used to provide entropy.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---

diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index e27b1e060b33..fec07c28281a 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -355,7 +355,8 @@ static int wm97xx_init_pen_irq(struct wm97xx *wm)
 	 * provided. */
 	BUG_ON(!wm->mach_ops->irq_enable);
 
-	if (request_irq(wm->pen_irq, wm97xx_pen_interrupt, IRQF_SHARED,
+	if (request_irq(wm->pen_irq, wm97xx_pen_interrupt,
+			IRQF_SHARED | IRQF_SAMPLE_RANDOM,
 			"wm97xx-pen", wm)) {
 		dev_err(wm->dev,
 			"Failed to register pen down interrupt, polling");