From a713890d32900459031d344748a23ca37758bec5 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Fri, 5 Jun 2015 11:36:10 +0200 Subject: [PATCH] gpio: improve error reporting on own descriptors When requesting own descriptors through hogs, it is useful to get some details about what's going on if we encounter problems. Acked-by: Alexandre Courbot Signed-off-by: Linus Walleij --- drivers/gpio/gpiolib.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 07b83a9e9821..7f87b9baa905 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2131,13 +2131,15 @@ 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 own GPIO %s failed\n", name); + pr_err("requesting hog GPIO %s (chip %s, offset %d) failed\n", + name, chip->label, hwnum); return PTR_ERR(local_desc); } status = gpiod_configure_flags(desc, name, lflags, dflags); if (status < 0) { - pr_err("setup of GPIO %s failed\n", name); + pr_err("setup of hog GPIO %s (chip %s, offset %d) failed\n", + name, chip->label, hwnum); gpiochip_free_own_desc(desc); return status; } -- 2.39.2