Messages in this thread Patch in this message | | | Subject | [PATCH] video: pxa3xx-gcu: Simplify the logic to exit while loop in pxa3xx_gcu_wait_idle | From | Axel Lin <> | Date | Tue, 27 Mar 2012 11:15:56 +0800 |
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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> --- drivers/video/pxa3xx-gcu.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c index 1d71c08..0b4ae0c 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"); -- 1.7.5.4
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