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gpiolib: probe deferral error reporting

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Actually report the error code from devm_regulator_get() which may as
well just be a probe deferral.

This is e.g. what one gets upon booting a Colibri T20:

gpiochip_add_data_with_key: GPIOs 0..223 (tegra-gpio) failed to register

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Marcel Ziswiler 2018-07-20 09:54:49 +02:00 committed by Linus Walleij
parent f78709a5d4
commit 1777fc9730
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpiolib.c
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@ -1414,9 +1414,9 @@ int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data,
err_free_gdev:
ida_simple_remove(&gpio_ida, gdev->id);
/* failures here can mean systems won't boot... */
pr_err("%s: GPIOs %d..%d (%s) failed to register\n", __func__,
pr_err("%s: GPIOs %d..%d (%s) failed to register, %d\n", __func__,
gdev->base, gdev->base + gdev->ngpio - 1,
chip->label ? : "generic");
chip->label ? : "generic", status);
kfree(gdev);
return status;
}