diff options
Diffstat (limited to 'drivers/gpio/gpiolib.h')
| -rw-r--r-- | drivers/gpio/gpiolib.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 39b8301..d154984 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -33,6 +33,10 @@ struct acpi_device; * @chip: pointer to the corresponding gpiochip, holding static * data for this device * @descs: array of ngpio descriptors. + * @ngpio: the number of GPIO lines on this GPIO device, equal to the size + * of the @descs array. + * @base: GPIO base in the DEPRECATED global Linux GPIO numberspace, assigned + * at device creation time. * @list: links gpio_device:s together for traversal * * This state container holds most of the runtime variable data @@ -48,6 +52,8 @@ struct gpio_device { struct module *owner; struct gpio_chip *chip; struct gpio_desc *descs; + int base; + u16 ngpio; struct list_head list; }; @@ -125,7 +131,7 @@ extern struct spinlock gpio_lock; extern struct list_head gpio_devices; struct gpio_desc { - struct gpio_chip *chip; + struct gpio_device *gdev; unsigned long flags; /* flag symbols are bit numbers */ #define FLAG_REQUESTED 0 @@ -154,7 +160,7 @@ int gpiod_hog(struct gpio_desc *desc, const char *name, */ static int __maybe_unused gpio_chip_hwgpio(const struct gpio_desc *desc) { - return desc - &desc->chip->gpiodev->descs[0]; + return desc - &desc->gdev->descs[0]; } /* With descriptor prefix */ |
