hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

gpiolib: acpi: Print pin number on acpi_gpiochip_alloc_event errors 

Print pin number and error-code on acpi_gpiochip_alloc_event errors,
to help debugging these.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20191114102600.34558-1-hdegoede@redhat.com
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Hans de Goede 2019-11-14 11:25:59 +01:00 committed by Linus Walleij
parent b27f300f8c
commit 3f86a7e090
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpio/gpiolib-acpi.c
View File

@ -230,19 +230,25 @@ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares,
desc = gpiochip_request_own_desc(chip, pin, "ACPI:Event",
GPIO_ACTIVE_HIGH, GPIOD_IN);
if (IS_ERR(desc)) {
dev_err(chip->parent, "Failed to request GPIO\n");
dev_err(chip->parent,
"Failed to request GPIO for pin 0x%04X, err %ld\n",
pin, PTR_ERR(desc));
return AE_ERROR;
}
ret = gpiochip_lock_as_irq(chip, pin);
if (ret) {
dev_err(chip->parent, "Failed to lock GPIO as interrupt\n");
dev_err(chip->parent,
"Failed to lock GPIO pin 0x%04X as interrupt, err %d\n",
pin, ret);
goto fail_free_desc;
}
irq = gpiod_to_irq(desc);
if (irq < 0) {
dev_err(chip->parent, "Failed to translate GPIO to IRQ\n");
dev_err(chip->parent,
"Failed to translate GPIO pin 0x%04X to IRQ, err %d\n",
pin, irq);
goto fail_unlock_irq;
}