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intel-gpio for v5.18-2

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* Couple of fixes related to handling unsigned value of the pin from ACPI
 
 The following is an automated git shortlog grouped by driver:
 
 gpiolib:
  -  acpi: Convert type for pin to be unsigned
  -  acpi: use correct format characters
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Merge tag 'intel-gpio-v5.18-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/andy/linux-gpio-intel into gpio/for-current

intel-gpio for v5.18-2

* Couple of fixes related to handling unsigned value of the pin from ACPI

gpiolib:
 -  acpi: Convert type for pin to be unsigned
 -  acpi: use correct format characters
This commit is contained in:
Bartosz Golaszewski 2022-04-16 21:57:00 +02:00
commit 0ebb4fbe31
2 changed files with 19 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/gpio/gpiolib-acpi.c
View File

@ -108,7 +108,7 @@ static int acpi_gpiochip_find(struct gpio_chip *gc, void *data)
* controller does not have GPIO chip registered at the moment. This is to
* support probe deferral.
*/
static struct gpio_desc *acpi_get_gpiod(char *path, int pin)
static struct gpio_desc *acpi_get_gpiod(char *path, unsigned int pin)
{
struct gpio_chip *chip;
acpi_handle handle;
@ -136,7 +136,7 @@ static struct gpio_desc *acpi_get_gpiod(char *path, int pin)
* as it is intended for use outside of the GPIO layer (in a similar fashion to
* gpiod_get_index() for example) it also holds a reference to the GPIO device.
*/
struct gpio_desc *acpi_get_and_request_gpiod(char *path, int pin, char *label)
struct gpio_desc *acpi_get_and_request_gpiod(char *path, unsigned int pin, char *label)
{
struct gpio_desc *gpio;
int ret;
@ -317,11 +317,12 @@ static struct gpio_desc *acpi_request_own_gpiod(struct gpio_chip *chip,
return desc;
}
static bool acpi_gpio_in_ignore_list(const char *controller_in, int pin_in)
static bool acpi_gpio_in_ignore_list(const char *controller_in, unsigned int pin_in)
{
const char *controller, *pin_str;
int len, pin;
unsigned int pin;
char *endp;
int len;
controller = ignore_wake;
while (controller) {
@ -354,13 +355,13 @@ err:
static bool acpi_gpio_irq_is_wake(struct device *parent,
struct acpi_resource_gpio *agpio)
{
int pin = agpio->pin_table[0];
unsigned int pin = agpio->pin_table[0];
if (agpio->wake_capable != ACPI_WAKE_CAPABLE)
return false;
if (acpi_gpio_in_ignore_list(dev_name(parent), pin)) {
dev_info(parent, "Ignoring wakeup on pin %d\n", pin);
dev_info(parent, "Ignoring wakeup on pin %u\n", pin);
return false;
}
@ -378,7 +379,8 @@ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares,
struct acpi_gpio_event *event;
irq_handler_t handler = NULL;
struct gpio_desc *desc;
int ret, pin, irq;
unsigned int pin;
int ret, irq;
if (!acpi_gpio_get_irq_resource(ares, &agpio))
return AE_OK;
@ -387,8 +389,8 @@ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares,
pin = agpio->pin_table[0];
if (pin <= 255) {
char ev_name[5];
sprintf(ev_name, "_%c%02hhX",
char ev_name[8];
sprintf(ev_name, "_%c%02X",
agpio->triggering == ACPI_EDGE_SENSITIVE ? 'E' : 'L',
pin);
if (ACPI_SUCCESS(acpi_get_handle(handle, ev_name, &evt_handle)))
@ -1098,7 +1100,7 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address,
length = min_t(u16, agpio->pin_table_length, pin_index + bits);
for (i = pin_index; i < length; ++i) {
int pin = agpio->pin_table[i];
unsigned int pin = agpio->pin_table[i];
struct acpi_gpio_connection *conn;
struct gpio_desc *desc;
bool found;

8
include/linux/gpio/consumer.h
View File

@ -688,7 +688,7 @@ void acpi_dev_remove_driver_gpios(struct acpi_device *adev);
int devm_acpi_dev_add_driver_gpios(struct device *dev,
const struct acpi_gpio_mapping *gpios);
struct gpio_desc *acpi_get_and_request_gpiod(char *path, int pin, char *label);
struct gpio_desc *acpi_get_and_request_gpiod(char *path, unsigned int pin, char *label);
#else /* CONFIG_GPIOLIB && CONFIG_ACPI */
@ -705,6 +705,12 @@ static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
return -ENXIO;
}
static inline struct gpio_desc *acpi_get_and_request_gpiod(char *path, unsigned int pin,
char *label)
{
return ERR_PTR(-ENOSYS);
}
#endif /* CONFIG_GPIOLIB && CONFIG_ACPI */