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gpio: pisosr: Use devm_gpiod_get_optional for gpio->load_gpio
gpio->load_gpio is optional, so use devm_gpiod_get_optional instead. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -125,15 +125,12 @@ static int pisosr_gpio_probe(struct spi_device *spi)
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if (!gpio->buffer)
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return -ENOMEM;
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gpio->load_gpio = devm_gpiod_get(dev, "load", GPIOD_OUT_LOW);
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gpio->load_gpio = devm_gpiod_get_optional(dev, "load", GPIOD_OUT_LOW);
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if (IS_ERR(gpio->load_gpio)) {
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ret = PTR_ERR(gpio->load_gpio);
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if (ret != -ENOENT && ret != -ENOSYS) {
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if (ret != -EPROBE_DEFER)
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dev_err(dev, "Unable to allocate load GPIO\n");
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return ret;
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}
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gpio->load_gpio = NULL;
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if (ret != -EPROBE_DEFER)
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dev_err(dev, "Unable to allocate load GPIO\n");
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return ret;
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}
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mutex_init(&gpio->lock);
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