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authorNicholas Mc Guire <hofrat@osadl.org>2015-03-01 09:17:41 -0500
committerWolfram Sang <wsa@the-dreams.de>2015-03-15 10:16:17 +0100
commit6973a39c9e35f46f2ea79ccbc25d3cab58737331 (patch)
treef3d8804891257f65bb0550247aa1512d64f125e7 /drivers/i2c
parent271a89cdd65f8c2b4a6be865859f8d2d1b504696 (diff)
downloadop-kernel-dev-6973a39c9e35f46f2ea79ccbc25d3cab58737331.zip
op-kernel-dev-6973a39c9e35f46f2ea79ccbc25d3cab58737331.tar.gz
i2c: tegra: match return type of wait_for_completion_timeout
return type of wait_for_completion_timeout is unsigned long not int. As ret was only used for wait_for_completion_timeout here it is renamed to time_left the type changed to unsigned long and references fixed up. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-tegra.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 29f1433..1bcd75e 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -532,7 +532,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
{
u32 packet_header;
u32 int_mask;
- int ret;
+ unsigned long time_left;
tegra_i2c_flush_fifos(i2c_dev);
@@ -585,18 +585,20 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
dev_dbg(i2c_dev->dev, "unmasked irq: %02x\n",
i2c_readl(i2c_dev, I2C_INT_MASK));
- ret = wait_for_completion_timeout(&i2c_dev->msg_complete, TEGRA_I2C_TIMEOUT);
+ time_left = wait_for_completion_timeout(&i2c_dev->msg_complete,
+ TEGRA_I2C_TIMEOUT);
tegra_i2c_mask_irq(i2c_dev, int_mask);
- if (ret == 0) {
+ if (time_left == 0) {
dev_err(i2c_dev->dev, "i2c transfer timed out\n");
tegra_i2c_init(i2c_dev);
return -ETIMEDOUT;
}
- dev_dbg(i2c_dev->dev, "transfer complete: %d %d %d\n",
- ret, completion_done(&i2c_dev->msg_complete), i2c_dev->msg_err);
+ dev_dbg(i2c_dev->dev, "transfer complete: %lu %d %d\n",
+ time_left, completion_done(&i2c_dev->msg_complete),
+ i2c_dev->msg_err);
if (likely(i2c_dev->msg_err == I2C_ERR_NONE))
return 0;
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