pwm: ab8500: Add error message if pwmchip_add() fails

pwmchip_add() doesn't emit an error message, so add one in the driver.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-ab8500.c b/drivers/pwm/pwm-ab8500.c
index fdf3964db4a6a47e3cb23d9915d97de2d411141d..4b6f9e24e11d414ae6e5d32b5b8daab230ab22d0 100644 (file)
--- a/drivers/pwm/pwm-ab8500.c
+++ b/drivers/pwm/pwm-ab8500.c
@@ -106,7 +106,7 @@ static int ab8500_pwm_probe(struct platform_device *pdev)
 
        err = pwmchip_add(&ab8500->chip);
        if (err < 0)
-               return err;
+               return dev_err_probe(&pdev->dev, err, "Failed to add pwm chip\n");
 
        dev_dbg(&pdev->dev, "pwm probe successful\n");
        platform_set_drvdata(pdev, ab8500);