From 1777fc97302997f016b720fea9c4d0e1ad858f56 Mon Sep 17 00:00:00 2001
From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Fri, 20 Jul 2018 09:54:49 +0200
Subject: [PATCH] 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>
---
drivers/gpio/gpiolib.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 464d5ba79f966..bdbfc95793e73 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -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;
}