From c31a571d4360a7765613615709627e83059ce946 Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Fri, 11 Mar 2016 19:13:21 +0530 Subject: [PATCH] gpio: gpiolib: Print error number if gpio hog failed Print the error number of GPIO hog failed during its configurations. This helps in identifying the failure without instrumenting the code. Signed-off-by: Laxman Dewangan Signed-off-by: Linus Walleij --- drivers/gpio/gpiolib.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 1edc830a1b51..59a0d8e98a04 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2702,15 +2702,16 @@ int gpiod_hog(struct gpio_desc *desc, const char *name, local_desc = gpiochip_request_own_desc(chip, hwnum, name); if (IS_ERR(local_desc)) { - pr_err("requesting hog GPIO %s (chip %s, offset %d) failed\n", - name, chip->label, hwnum); - return PTR_ERR(local_desc); + status = PTR_ERR(local_desc); + pr_err("requesting hog GPIO %s (chip %s, offset %d) failed, %d\n", + name, chip->label, hwnum, status); + return status; } status = gpiod_configure_flags(desc, name, dflags); if (status < 0) { - pr_err("setup of hog GPIO %s (chip %s, offset %d) failed\n", - name, chip->label, hwnum); + pr_err("setup of hog GPIO %s (chip %s, offset %d) failed, %d\n", + name, chip->label, hwnum, status); gpiochip_free_own_desc(desc); return status; } -- 2.39.5