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mux: gpio: Simplify code by using dev_err_probe()

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Use already prepared dev_err_probe() introduced by the commit
a787e5400a ("driver core: add device probe log helper").
It simplifies EPROBE_DEFER handling.

Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210330193325.68362-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-03-30 22:33:25 +03:00 committed by Greg Kroah-Hartman
parent 7fef54e255
commit 38ab861493
1 changed files with 3 additions and 6 deletions
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9
drivers/mux/gpio.c
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@ -66,12 +66,9 @@ static int mux_gpio_probe(struct platform_device *pdev)
mux_chip->ops = &mux_gpio_ops;
mux_gpio->gpios = devm_gpiod_get_array(dev, "mux", GPIOD_OUT_LOW);
if (IS_ERR(mux_gpio->gpios)) {
ret = PTR_ERR(mux_gpio->gpios);
if (ret != -EPROBE_DEFER)
dev_err(dev, "failed to get gpios\n");
return ret;
}
if (IS_ERR(mux_gpio->gpios))
return dev_err_probe(dev, PTR_ERR(mux_gpio->gpios),
"failed to get gpios\n");
WARN_ON(pins != mux_gpio->gpios->ndescs);
mux_chip->mux->states = BIT(pins);