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Subject[PATCH 31/37] Input: wm97xx-core - use IRQF_SAMPLE_RANDOM
From
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>
---
drivers/input/touchscreen/wm97xx-core.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index e27b1e0..fec07c2 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");
--
1.5.5.rc2.6.gf58d



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