[PATCH v3] i2c: designware: Use transfer timeout from ioctl I2C_TIMEOUT

From: Weifeng Voon
Date: Thu Jun 16 2016 - 21:46:54 EST


This allows applications to set the transfer timeout in 10ms increments via
ioctl I2C_TIMEOUT.

Signed-off-by: Weifeng Voon <weifeng.voon@xxxxxxxxx>
---
changelog v2:
* No code change, just change to a more suitable title

changelog v3:
* Move changelog out of commit log

drivers/i2c/busses/i2c-designware-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 99b54be..c6922b8 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -663,7 +663,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
i2c_dw_xfer_init(dev);

/* wait for tx to complete */
- if (!wait_for_completion_timeout(&dev->cmd_complete, HZ)) {
+ if (!wait_for_completion_timeout(&dev->cmd_complete, adap->timeout)) {
dev_err(dev->dev, "controller timed out\n");
/* i2c_dw_init implicitly disables the adapter */
i2c_dw_init(dev);
--
1.9.1