From da548cb3f1ec3b1fd4ec2a848401398462ce3124 Mon Sep 17 00:00:00 2001 From: "Cho, Yu-Chen" Date: Tue, 3 May 2011 17:53:35 +0800 Subject: [PATCH] staging/rts_pstor: fix Polling thread wakeups CPU RealTek PCI-E Card Reader rts_pstor driver causes CPU wakeup very frequently, thatt's bad for power consumption. Signed-off-by: Cho, Yu-Chen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rts_pstor/rtsx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/rts_pstor/rtsx.c b/drivers/staging/rts_pstor/rtsx.c index 02525d57ba8..5ff59f27d10 100644 --- a/drivers/staging/rts_pstor/rtsx.c +++ b/drivers/staging/rts_pstor/rtsx.c @@ -594,7 +594,9 @@ static int rtsx_polling_thread(void *__dev) wait_timeout((delay_use + 5) * 1000); for (;;) { - wait_timeout(POLLING_INTERVAL); + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(POLLING_INTERVAL); /* lock the device pointers */ mutex_lock(&(dev->dev_mutex)); -- 2.39.5