From: Nicholas Mc Guire <der.herr@hofr.at>
To: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Russell King <rmk+kernel@arm.linux.org.uk>,
Lucas Stach <l.stach@pengutronix.de>,
Emil Renner Berthing <kernel@esmil.dk>,
Antoine Schweitzer-Chaput <antoine@schweitzer-chaput.fr>,
linux-kernel@vger.kernel.org,
Nicholas Mc Guire <der.herr@hofr.at>
Subject: [PATCH] gpu: ipu-v3: wait_for_completion_timeout does not return negativ status
Date: Fri, 16 Jan 2015 11:48:02 +0100 [thread overview]
Message-ID: <1421405282-8951-1-git-send-email-der.herr@hofr.at> (raw)
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
next reply other threads:[~2015-01-16 10:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-16 10:48 Nicholas Mc Guire [this message]
2015-01-19 8:09 ` Philipp Zabel
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