linux-kernel - [PATCH 5/7] I2C: eg20t, remove unused variable

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Date:	Wed, 23 Mar 2011 09:49:58 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	jirislaby@...il.com
Cc:	linux-kernel@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>,
	Jean Delvare <khali@...ux-fr.org>, linux-i2c@...r.kernel.org
Subject: [PATCH 5/7] I2C: eg20t, remove unused variable

drivers/i2c/busses/i2c-eg20t.c:684:2: warning: Value stored to 'msglen' is never read
msglen = (pmsg->len) - (subaddrlen + 1);
^        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: Jean Delvare <khali@...ux-fr.org>
Cc: linux-i2c@...r.kernel.org
---
 drivers/i2c/busses/i2c-eg20t.c |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 878a120..ea73252 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -651,8 +651,6 @@ static s32 pch_i2c_xfer(struct i2c_adapter *i2c_adap,
 	struct i2c_msg *pmsg;
 	u32 i = 0;
 	u32 status;
-	u32 msglen;
-	u32 subaddrlen;
 	s32 ret;
 
 	struct i2c_algo_pch_data *adap = i2c_adap->algo_data;
@@ -676,12 +674,6 @@ static s32 pch_i2c_xfer(struct i2c_adapter *i2c_adap,
 	status = pmsg->flags;
 	pch_dbg(adap,
 		"After invoking I2C_MODE_SEL :flag= 0x%x\n", status);
-	/* calculate sub address length and message length */
-	/* these are applicable only for buffer mode */
-	subaddrlen = pmsg->buf[0];
-	/* calculate actual message length excluding
-	 * the sub address fields */
-	msglen = (pmsg->len) - (subaddrlen + 1);
 	if (status & (I2C_M_RD)) {
 		pch_dbg(adap, "invoking pch_i2c_readbytes\n");
 		ret = pch_i2c_readbytes(i2c_adap, pmsg, (i + 1 == num),
-- 
1.7.4.1


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