video: pxa3xx-gcu: Simplify the logic to exit while loop in pxa3xx_gcu_wait_idle

If wait_event_interruptible_timeout returns a positive value, it means
the condition evaluated is true. Which means priv->shared->hw_running is false.
And then we will exit the loop.

This patch simplifies the logic to exit the while loop.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c
index 1d71c08a818f..0b4ae0cebeda 100644
--- a/drivers/video/pxa3xx-gcu.c
+++ b/drivers/video/pxa3xx-gcu.c
@@ -316,12 +316,9 @@ pxa3xx_gcu_wait_idle(struct pxa3xx_gcu_priv *priv)
                 ret = wait_event_interruptible_timeout(priv->wait_idle,
                                         !priv->shared->hw_running, HZ*4);
 
-                if (ret < 0)
+                if (ret != 0)
                         break;
 
-                if (ret > 0)
-                        continue;
-
                 if (gc_readl(priv, REG_GCRBEXHR) == rbexhr &&
                     priv->shared->num_interrupts == num) {
                         QERROR("TIMEOUT");