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backlight: gpio: Simplify with dev_err_probe()

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Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240305-backlight-probe-v2-1-609b0cf24bde@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2024-03-05 09:11:56 +01:00 committed by Lee Jones
parent 392346827f
commit 23749cf3df
1 changed files with 3 additions and 7 deletions
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10
drivers/video/backlight/gpio_backlight.c
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@ -64,13 +64,9 @@ static int gpio_backlight_probe(struct platform_device *pdev)
def_value = device_property_read_bool(dev, "default-on");
gbl->gpiod = devm_gpiod_get(dev, NULL, GPIOD_ASIS);
if (IS_ERR(gbl->gpiod)) {
ret = PTR_ERR(gbl->gpiod);
if (ret != -EPROBE_DEFER)
dev_err(dev,
"Error: The gpios parameter is missing or invalid.\n");
return ret;
}
if (IS_ERR(gbl->gpiod))
return dev_err_probe(dev, PTR_ERR(gbl->gpiod),
"The gpios parameter is missing or invalid\n");
memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_RAW;