i2c: recovery: rename variable for easier understanding

While refactoring the routine before, it occurred to me that this will
make the code much easier to understand.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 59f8dfc5be363a3ec4f57bcaa1a868912e7eac39..57538d72f2e5eb5b0f9dc5a122ee4ee92c9f2448 100644 (file)
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -185,12 +185,12 @@ static int i2c_generic_bus_free(struct i2c_adapter *adap)
 int i2c_generic_scl_recovery(struct i2c_adapter *adap)
 {
        struct i2c_bus_recovery_info *bri = adap->bus_recovery_info;
-       int i = 0, val = 1, ret;
+       int i = 0, scl = 1, ret;
 
        if (bri->prepare_recovery)
                bri->prepare_recovery(adap);
 
-       bri->set_scl(adap, val);
+       bri->set_scl(adap, scl);
        if (bri->set_sda)
                bri->set_sda(adap, 1);
        ndelay(RECOVERY_NDELAY);
@@ -199,7 +199,7 @@ int i2c_generic_scl_recovery(struct i2c_adapter *adap)
         * By this time SCL is high, as we need to give 9 falling-rising edges
         */
        while (i++ < RECOVERY_CLK_CNT * 2) {
-               if (val) {
+               if (scl) {
                        /* SCL shouldn't be low here */
                        if (!bri->get_scl(adap)) {
                                dev_err(&adap->dev,
@@ -209,8 +209,8 @@ int i2c_generic_scl_recovery(struct i2c_adapter *adap)
                        }
                }
 
-               val = !val;
-               bri->set_scl(adap, val);
+               scl = !scl;
+               bri->set_scl(adap, scl);
 
                /*
                 * If we can set SDA, we will always create STOP here to ensure
@@ -220,10 +220,10 @@ int i2c_generic_scl_recovery(struct i2c_adapter *adap)
                 */
                ndelay(RECOVERY_NDELAY / 2);
                if (bri->set_sda)
-                       bri->set_sda(adap, val);
+                       bri->set_sda(adap, scl);
                ndelay(RECOVERY_NDELAY / 2);
 
-               if (val) {
+               if (scl) {
                        ret = i2c_generic_bus_free(adap);
                        if (ret == 0)
                                break;