gpiolib: acpi: Add quirks field to struct acpi_gpio_mapping
Some broken ACPI tables might require quirks in the OS.
Introduce quirks field in struct acpi_gpio_mapping.
Propagate them to struct acpi_gpio_info for further use.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 88518af..711f64b 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -414,7 +414,8 @@ EXPORT_SYMBOL_GPL(devm_acpi_dev_remove_driver_gpios);
static bool acpi_get_driver_gpio_data(struct acpi_device *adev,
const char *name, int index,
- struct acpi_reference_args *args)
+ struct acpi_reference_args *args,
+ unsigned int *quirks)
{
const struct acpi_gpio_mapping *gm;
@@ -430,6 +431,8 @@ static bool acpi_get_driver_gpio_data(struct acpi_device *adev,
args->args[1] = par->line_index;
args->args[2] = par->active_low;
args->nargs = 3;
+
+ *quirks = gm->quirks;
return true;
}
@@ -580,6 +583,7 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode,
struct acpi_gpio_lookup *lookup)
{
struct acpi_reference_args args;
+ unsigned int quirks = 0;
int ret;
memset(&args, 0, sizeof(args));
@@ -591,7 +595,8 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode,
if (!adev)
return ret;
- if (!acpi_get_driver_gpio_data(adev, propname, index, &args))
+ if (!acpi_get_driver_gpio_data(adev, propname, index, &args,
+ &quirks))
return ret;
}
/*
@@ -606,6 +611,7 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode,
lookup->active_low = !!args.args[2];
lookup->info.adev = args.adev;
+ lookup->info.quirks = quirks;
return 0;
}