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| author | Linus Walleij <linus.walleij@linaro.org> | 2015-06-05 11:36:10 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-06-10 10:15:46 +0200 |
| commit | a713890d32900459031d344748a23ca37758bec5 (patch) | |
| tree | e3c7d335134712ec7075cbe5c41ef5f2915b5020 /drivers/gpio/gpiolib.c | |
| parent | gpio: promote own request failure to pr_err() (diff) | |
| download | linux-a713890d32900459031d344748a23ca37758bec5.tar.xz linux-a713890d32900459031d344748a23ca37758bec5.zip | |
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 <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 6 |
1 files 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; } |