i2c: rk3x: Fix variable 'min_total_ns' unused warning

This patch fixs the following warning:
drivers/i2c/busses/i2c-rk3x.c: In function 'rk3x_i2c_v1_calc_timings':
drivers/i2c/busses/i2c-rk3x.c:745:41: warning: variable 'min_total_ns' set but not used [-Wunused-but-set-variable]

Reported-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index dbbdbec..c528e19 100644 (file)
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -742,7 +742,7 @@ static int rk3x_i2c_v1_calc_timings(unsigned long clk_rate,
                                    struct i2c_timings *t,
                                    struct rk3x_i2c_calced_timings *t_calc)
 {
-       unsigned long min_low_ns, min_high_ns, min_total_ns;
+       unsigned long min_low_ns, min_high_ns;
        unsigned long min_setup_start_ns, min_setup_data_ns;
        unsigned long min_setup_stop_ns, max_hold_data_ns;
 
@@ -793,7 +793,6 @@ static int rk3x_i2c_v1_calc_timings(unsigned long clk_rate,
 
        /* These are the min dividers needed for min hold times. */
        min_div_for_hold = (min_low_div + min_high_div);
-       min_total_ns = min_low_ns + min_high_ns;
 
        /*
         * This is the maximum divider so we don't go over the maximum.