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Diffstat (limited to 'drivers/i2c/busses/i2c-tegra.c')
-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 29f14331dd9d..1bcd75ea0b4c 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;