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Input: wm97xx-core - use IRQF_SAMPLE_RANDOM

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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>
This commit is contained in:
Mark Brown 2008-04-17 09:24:48 -04:00 committed by Dmitry Torokhov
parent d808fbe5b4
commit db7c10e708
1 changed files with 2 additions and 1 deletions
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3
drivers/input/touchscreen/wm97xx-core.c
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@ -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");