openwrtv3/target/linux/brcm2708/patches-4.1/0212-rpi-ft5406-Use-interruptible-sleep-to-avoid-high-loa.patch
John Crispin d4b8d51580 brcm2708: update 4.1 patches
As usual, this patches were taken (and rebased) from
https://github.com/raspberrypi/linux/commits/rpi-4.1.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 47922
2015-12-17 09:29:22 +00:00

21 lines
742 B
Diff

From a668e38a52a964834054ee19e6e11e28f71f4172 Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Fri, 6 Nov 2015 16:24:59 +0000
Subject: [PATCH 212/222] rpi-ft5406: Use interruptible sleep to avoid high
load reported
---
drivers/input/touchscreen/rpi-ft5406.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/input/touchscreen/rpi-ft5406.c
+++ b/drivers/input/touchscreen/rpi-ft5406.c
@@ -65,7 +65,7 @@ static int ft5406_thread(void *arg)
while(!kthread_should_stop())
{
// 60fps polling
- msleep(17);
+ msleep_interruptible(17);
memcpy_fromio(&regs, ts->regs, sizeof(*ts->regs));
writel(99, &ts->regs->num_points);
// Do not output if theres no new information (num_points is 99)