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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-12-15 19:23:43 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-12-15 19:23:43 +0100 |
| commit | 7f0ad5396a22c061c3c724c299848b4bc2440de5 (patch) | |
| tree | 3685069aaecb43ff57bf7fdc09ed1432c69ed622 /drivers/gpio/gpiolib.c | |
| parent | Linux 4.4-rc5 (diff) | |
| parent | gpiolib: tighten up ACPI legacy gpio lookups (diff) | |
| download | linux-7f0ad5396a22c061c3c724c299848b4bc2440de5.tar.xz linux-7f0ad5396a22c061c3c724c299848b4bc2440de5.zip | |
Merge branch 'for-dmitry' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio into goodix
Bring in changes to ACPI GPIOLIB to better handle legacy ACPI mappings
needed for subsequent Goodix driver changes.
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 2a91f3287e3b..c8a1e884da74 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1868,6 +1868,9 @@ static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, /* Then from plain _CRS GPIOs */ if (IS_ERR(desc)) { + if (!acpi_can_fallback_to_crs(adev, con_id)) + return ERR_PTR(-ENOENT); + desc = acpi_get_gpiod_by_index(adev, NULL, idx, &info); if (IS_ERR(desc)) return desc; |