From: Jean Delvare <khali@linux-fr.org>
Date: Sun, 27 Jan 2008 17:14:52 +0000 (+0100)
Subject: i2c: Drop legacy locking in i2c_new_probed_device
X-Git-Tag: v2.6.25-rc1~1183
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b987dcd3ae5626ac006fbbe366e9a8415b303df;p=linux-2.6

i2c: Drop legacy locking in i2c_new_probed_device

It is no longer required to hold adapter->clist_lock to call
i2c_check_addr.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <david-b@pacbell.net>
---

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 4765a50d75..cd3fcb85ca 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1086,7 +1086,6 @@ i2c_new_probed_device(struct i2c_adapter *adap,
 		return NULL;
 	}
 
-	mutex_lock(&adap->clist_lock);
 	for (i = 0; addr_list[i] != I2C_CLIENT_END; i++) {
 		/* Check address validity */
 		if (addr_list[i] < 0x03 || addr_list[i] > 0x77) {
@@ -1124,7 +1123,6 @@ i2c_new_probed_device(struct i2c_adapter *adap,
 				break;
 		}
 	}
-	mutex_unlock(&adap->clist_lock);
 
 	if (addr_list[i] == I2C_CLIENT_END) {
 		dev_dbg(&adap->dev, "Probing failed, no device found\n");