linux-kernel - [PATCH] i2c: qup: use address helper function in read transfer

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Message-Id: <1462473197-28393-1-git-send-email-nkaje@codeaurora.org>
Date:	Thu,  5 May 2016 12:33:17 -0600
From:	Naveen Kaje <nkaje@...eaurora.org>
To:	wsa@...-dreams.de, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Naveen Kaje <nkaje@...eaurora.org>
Subject: [PATCH] i2c: qup: use address helper function in read transfer

qup_i2c_issue_read() derives the address from i2c_msg.
This called in the read path when I2C_M_RD flag is set.
Therefore, use the 8 bit address helper function.

Signed-off-by: Naveen Kaje <nkaje@...eaurora.org>
---
 drivers/i2c/busses/i2c-qup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
index 8082919..072e352 100644
--- a/drivers/i2c/busses/i2c-qup.c
+++ b/drivers/i2c/busses/i2c-qup.c
@@ -1038,7 +1038,7 @@ static void qup_i2c_issue_read(struct qup_i2c_dev *qup, struct i2c_msg *msg)
 {
 	u32 addr, len, val;
 
-	addr = (msg->addr << 1) | 1;
+	addr = i2c_8bit_addr_from_msg(msg);
 
 	/* 0 is used to specify a length 256 (QUP_READ_LIMIT) */
 	len = (msg->len == QUP_READ_LIMIT) ? 0 : msg->len;
-- 
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