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gpiolib: acpi: Convert pin_index to be u16

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As specified by ACPI the pin index is 16-bit unsigned integer.
Define the variable, which holds it, accordingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2020-11-09 22:53:30 +02:00
parent 2e2b496ceb
commit 74301f2781
1 changed files with 5 additions and 5 deletions
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10
drivers/gpio/gpiolib-acpi.c
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@ -660,7 +660,7 @@ int acpi_gpio_update_gpiod_lookup_flags(unsigned long *lookupflags,
struct acpi_gpio_lookup {
struct acpi_gpio_info info;
int index;
int pin_index;
u16 pin_index;
bool active_low;
struct gpio_desc *desc;
int n;
@ -676,7 +676,7 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data)
if (!lookup->desc) {
const struct acpi_resource_gpio *agpio = &ares->data.gpio;
bool gpioint = agpio->connection_type == ACPI_RESOURCE_GPIO_TYPE_INT;
int pin_index;
u16 pin_index;
if (lookup->info.quirks & ACPI_GPIO_QUIRK_ONLY_GPIOIO && gpioint)
lookup->index++;
@ -822,7 +822,7 @@ static struct gpio_desc *acpi_get_gpiod_by_index(struct acpi_device *adev,
if (ret)
return ERR_PTR(ret);
dev_dbg(&adev->dev, "GPIO: _DSD returned %s %d %d %u\n",
dev_dbg(&adev->dev, "GPIO: _DSD returned %s %d %u %u\n",
dev_name(&lookup.info.adev->dev), lookup.index,
lookup.pin_index, lookup.active_low);
} else {
@ -1018,7 +1018,7 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address,
struct gpio_chip *chip = achip->chip;
struct acpi_resource_gpio *agpio;
struct acpi_resource *ares;
int pin_index = (int)address;
u16 pin_index = address;
acpi_status status;
int length;
int i;
@ -1041,7 +1041,7 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address,
return AE_BAD_PARAMETER;
}
length = min(agpio->pin_table_length, (u16)(pin_index + bits));
length = min_t(u16, agpio->pin_table_length, pin_index + bits);
for (i = pin_index; i < length; ++i) {
int pin = agpio->pin_table[i];
struct acpi_gpio_connection *conn;