diff options
| author |  Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| 2024-04-11 20:22:29 +0300 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| 2024-04-15 16:12:18 +0300 |
| commit | 4fa4c499af53c9338a790798ca44534866b7708c (patch) | |
| tree | e31e32240440adb904ebefd5e492be11311e28d8 /drivers/gpio | |
| parent | gpio: sch: Utilise temporary variable for struct device (diff) | |
| download | linux-4fa4c499af53c9338a790798ca44534866b7708c.tar.gz linux-4fa4c499af53c9338a790798ca44534866b7708c.tar.bz2 linux-4fa4c499af53c9338a790798ca44534866b7708c.zip | |
gpiolib: acpi: Extract __acpi_find_gpio() helper
We want to reuse it later on in the code. In particular, it helps
to clean up the users of acpi_dev_gpio_irq_wake_get_by().
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index c2a33beeec50..d47b22ac3ecb 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -945,14 +945,11 @@ static bool acpi_can_fallback_to_crs(struct acpi_device *adev, return con_id == NULL; } -struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode, - const char *con_id, - unsigned int idx, - enum gpiod_flags *dflags, - unsigned long *lookupflags) +static struct gpio_desc * +__acpi_find_gpio(struct fwnode_handle *fwnode, const char *con_id, unsigned int idx, + struct acpi_gpio_info *info) { struct acpi_device *adev = to_acpi_device_node(fwnode); - struct acpi_gpio_info info; struct gpio_desc *desc; char propname[32]; int i; @@ -969,10 +966,10 @@ struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode, if (adev) desc = acpi_get_gpiod_by_index(adev, - propname, idx, &info); + propname, idx, info); else desc = acpi_get_gpiod_from_data(fwnode, - propname, idx, &info); + propname, idx, info); if (PTR_ERR(desc) == -EPROBE_DEFER) return ERR_CAST(desc); @@ -985,11 +982,28 @@ struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode, if (!adev || !acpi_can_fallback_to_crs(adev, con_id)) return ERR_PTR(-ENOENT); - desc = acpi_get_gpiod_by_index(adev, NULL, idx, &info); + desc = acpi_get_gpiod_by_index(adev, NULL, idx, info); if (IS_ERR(desc)) return desc; } + return desc; +} + +struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode, + const char *con_id, + unsigned int idx, + enum gpiod_flags *dflags, + unsigned long *lookupflags) +{ + struct acpi_device *adev = to_acpi_device_node(fwnode); + struct acpi_gpio_info info; + struct gpio_desc *desc; + + desc = __acpi_find_gpio(fwnode, con_id, idx, &info); + if (IS_ERR(desc)) + return desc; + if (info.gpioint && (*dflags == GPIOD_OUT_LOW || *dflags == GPIOD_OUT_HIGH)) { dev_dbg(&adev->dev, "refusing GpioInt() entry when doing GPIOD_OUT_* lookup\n"); |