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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-11-09 22:53:30 +0200 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-11-16 14:14:35 +0200 |
| commit | 74301f2781586d0e6669466b2b4d59d94c63fa5a (patch) | |
| tree | f4879c621c6a43bfbb1b7d38dd45828f4b088fd0 /drivers/gpio/gpiolib-acpi.c | |
| parent | 2e2b496cebefb9514fc04adcb4658df4f82ceb0d (diff) | |
| download | lwn-74301f2781586d0e6669466b2b4d59d94c63fa5a.tar.gz lwn-74301f2781586d0e6669466b2b4d59d94c63fa5a.zip | |
gpiolib: acpi: Convert pin_index to be u16
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>
Diffstat (limited to 'drivers/gpio/gpiolib-acpi.c')
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index c46fd51007d0..a556e2ec0a39 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -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; |