pwm: sifive: Don't check the return code of pwmchip_remove()

pwmchip_remove() returns always 0. Don't use the value to make it
possible to eventually change the function to return void. Also the
driver core ignores the return value of pwm_sifive_remove().

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
index 420edc4..253c4a1 100644 (file)
--- a/drivers/pwm/pwm-sifive.c
+++ b/drivers/pwm/pwm-sifive.c
@@ -291,7 +291,7 @@ static int pwm_sifive_remove(struct platform_device *dev)
        struct pwm_sifive_ddata *ddata = platform_get_drvdata(dev);
        bool is_enabled = false;
        struct pwm_device *pwm;
-       int ret, ch;
+       int ch;
 
        for (ch = 0; ch < ddata->chip.npwm; ch++) {
                pwm = &ddata->chip.pwms[ch];
@@ -304,10 +304,10 @@ static int pwm_sifive_remove(struct platform_device *dev)
                clk_disable(ddata->clk);
 
        clk_disable_unprepare(ddata->clk);
-       ret = pwmchip_remove(&ddata->chip);
+       pwmchip_remove(&ddata->chip);
        clk_notifier_unregister(ddata->clk, &ddata->notifier);
 
-       return ret;
+       return 0;
 }
 
 static const struct of_device_id pwm_sifive_of_match[] = {