Commit 1777fc97 authored Jul 20, 2018 by Marcel Ziswiler Committed by Linus Walleij Jul 29, 2018

gpiolib: probe deferral error reporting



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>

parent f78709a5

drivers/gpio/gpiolib.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1414,9 +1414,9 @@ err_free_descs:
		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;
		}

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