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[U-Boot,V3,09/25] mxc_i2c: remove redundant read

Message ID 1342721906-8332-9-git-send-email-troy.kisky@boundarydevices.com
State Accepted
Delegated to: Heiko Schocher
Headers show

Commit Message

Troy Kisky July 19, 2012, 6:18 p.m. UTC 
wait_for_sr_state returns i2sr on success
so no need to read again.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Marek Vasut <marex@denx.de>

---
v2: add ack
---
 drivers/i2c/mxc_i2c.c |    1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index 01a6408..83c2fab 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -195,7 +195,6 @@  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;