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gpiolib: acpi: Move adev member to struct acpi_gpio_info

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The further improvements are based on this change since
struct acpi_gpio_lookup is not available in some cases.

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>
This commit is contained in:
Andy Shevchenko 2017-11-10 15:40:30 +02:00 committed by Linus Walleij
parent 08be1a795d
commit 5870cff47b
2 changed files with 7 additions and 5 deletions
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10
drivers/gpio/gpiolib-acpi.c
View File

@ -494,7 +494,6 @@ struct acpi_gpio_lookup {
int index;
int pin_index;
bool active_low;
struct acpi_device *adev;
struct gpio_desc *desc;
int n;
};
@ -541,12 +540,13 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data)
static int acpi_gpio_resource_lookup(struct acpi_gpio_lookup *lookup,
struct acpi_gpio_info *info)
{
struct acpi_device *adev = lookup->info.adev;
struct list_head res_list;
int ret;
INIT_LIST_HEAD(&res_list);
ret = acpi_dev_get_resources(lookup->adev, &res_list,
ret = acpi_dev_get_resources(adev, &res_list,
acpi_populate_gpio_lookup,
lookup);
if (ret < 0)
@ -592,7 +592,7 @@ static int acpi_gpio_property_lookup(struct fwnode_handle *fwnode,
lookup->pin_index = args.args[1];
lookup->active_low = !!args.args[2];
lookup->adev = args.adev;
lookup->info.adev = args.adev;
return 0;
}
@ -640,11 +640,11 @@ static struct gpio_desc *acpi_get_gpiod_by_index(struct acpi_device *adev,
return ERR_PTR(ret);
dev_dbg(&adev->dev, "GPIO: _DSD returned %s %d %d %u\n",
dev_name(&lookup.adev->dev), lookup.index,
dev_name(&lookup.info.adev->dev), lookup.index,
lookup.pin_index, lookup.active_low);
} else {
dev_dbg(&adev->dev, "GPIO: looking up %d in _CRS\n", index);
lookup.adev = adev;
lookup.info.adev = adev;
}
ret = acpi_gpio_resource_lookup(&lookup, info);

2
drivers/gpio/gpiolib.h
View File

@ -75,12 +75,14 @@ struct gpio_device {
/**
* struct acpi_gpio_info - ACPI GPIO specific information
* @adev: reference to ACPI device which consumes GPIO resource
* @flags: GPIO initialization flags
* @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
* @polarity: interrupt polarity as provided by ACPI
* @triggering: triggering type as provided by ACPI
*/
struct acpi_gpio_info {
struct acpi_device *adev;
enum gpiod_flags flags;
bool gpioint;
int polarity;