[U-Boot] [PATCH 08/24] mxc_i2c: remove redundant read

Troy Kisky
2012-06-22T04:12:03Z

wait_for_sr_state returns i2sr on success
so no need to read again.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
---
drivers/i2c/mxc_i2c.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index 7b1b75c..9063d1e 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -193,7 +193,6 @@ static int tx_byte(struct mxc_i2c_regs *i2c_regs, u8 byte)
ret = wait_for_sr_state(i2c_regs, ST_IIF);
if (ret < 0)
return ret;
- ret = readb(&i2c_regs->i2sr);
if (ret & I2SR_RX_NO_AK)
return -ENODEV;
return 0;
--
1.7.9.5