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* [PATCH] gpu: ipu-v3: wait_for_completion_timeout does not return negativ status
@ 2015-01-16 10:48 Nicholas Mc Guire
  2015-01-19  8:09 ` Philipp Zabel
  0 siblings, 1 reply; 2+ messages in thread
From: Nicholas Mc Guire @ 2015-01-16 10:48 UTC (permalink / raw)
  To: Philipp Zabel
  Cc: Greg Kroah-Hartman, Russell King, Lucas Stach,
	Emil Renner Berthing, Antoine Schweitzer-Chaput, linux-kernel,
	Nicholas Mc Guire

Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
---

Patch is against 3.19.0-rc3 -next-20150109

This patch was compiletested with imx_v6_v7_defconfig + 
CONFIG_RESET_CONTROLLER=y, CONFIG_IMX_IPUV3_CORE=m

 drivers/gpu/ipu-v3/ipu-dc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/ipu-v3/ipu-dc.c b/drivers/gpu/ipu-v3/ipu-dc.c
index 2326c75..0ffa659 100644
--- a/drivers/gpu/ipu-v3/ipu-dc.c
+++ b/drivers/gpu/ipu-v3/ipu-dc.c
@@ -282,7 +282,7 @@ void ipu_dc_disable_channel(struct ipu_dc *dc)
 	enable_irq(irq);
 	ret = wait_for_completion_timeout(&priv->comp, msecs_to_jiffies(50));
 	disable_irq(irq);
-	if (ret <= 0) {
+	if (ret == 0) {
 		dev_warn(priv->dev, "DC stop timeout after 50 ms\n");
 
 		val = readl(dc->base + DC_WR_CH_CONF);
-- 
1.7.10.4


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] gpu: ipu-v3: wait_for_completion_timeout does not return negativ status
  2015-01-16 10:48 [PATCH] gpu: ipu-v3: wait_for_completion_timeout does not return negativ status Nicholas Mc Guire
@ 2015-01-19  8:09 ` Philipp Zabel
  0 siblings, 0 replies; 2+ messages in thread
From: Philipp Zabel @ 2015-01-19  8:09 UTC (permalink / raw)
  To: Nicholas Mc Guire
  Cc: Greg Kroah-Hartman, Russell King, Lucas Stach,
	Emil Renner Berthing, Antoine Schweitzer-Chaput, linux-kernel

Hi Nicholas,

thank you for the patch.

Am Freitag, den 16.01.2015, 11:48 +0100 schrieb Nicholas Mc Guire:
> Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
> ---
> 
> Patch is against 3.19.0-rc3 -next-20150109
> 
> This patch was compiletested with imx_v6_v7_defconfig + 
> CONFIG_RESET_CONTROLLER=y, CONFIG_IMX_IPUV3_CORE=m
> 
>  drivers/gpu/ipu-v3/ipu-dc.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/ipu-v3/ipu-dc.c b/drivers/gpu/ipu-v3/ipu-dc.c
> index 2326c75..0ffa659 100644
> --- a/drivers/gpu/ipu-v3/ipu-dc.c
> +++ b/drivers/gpu/ipu-v3/ipu-dc.c
> @@ -282,7 +282,7 @@ void ipu_dc_disable_channel(struct ipu_dc *dc)
>  	enable_irq(irq);
>  	ret = wait_for_completion_timeout(&priv->comp, msecs_to_jiffies(50));
>  	disable_irq(irq);
> -	if (ret <= 0) {
> +	if (ret == 0) {

In addition to this, I think ret should be changed to unsigned long.

regards
Philipp


^ permalink raw reply	[flat|nested] 2+ messages in thread

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