diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2021-10-27 00:16:14 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2021-10-27 00:16:14 +0200 |
| commit | 5853fd57d8933f0b667ed467fe30a086112af6c9 (patch) | |
| tree | 3c811b3fc8c81891d1cd9079f019e3ac4ba1e8a9 /include/linux | |
| parent | f0c142fcf4d6a671109d6bd00d77993e65fb9f47 (diff) | |
| parent | cfe6807d82e97e81c3209dca9448f091e1448a57 (diff) | |
Merge branch 'ib-gpio-ppid' into devel
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/gpio/driver.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index a0f9901dcae6..a673a359e20b 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -168,11 +168,18 @@ struct gpio_irq_chip { /** * @parent_handler_data: + * @parent_handler_data_array: * * Data associated, and passed to, the handler for the parent - * interrupt. + * interrupt. Can either be a single pointer if @per_parent_data + * is false, or an array of @num_parents pointers otherwise. If + * @per_parent_data is true, @parent_handler_data_array cannot be + * NULL. */ - void *parent_handler_data; + union { + void *parent_handler_data; + void **parent_handler_data_array; + }; /** * @num_parents: @@ -204,6 +211,14 @@ struct gpio_irq_chip { bool threaded; /** + * @per_parent_data: + * + * True if parent_handler_data_array describes a @num_parents + * sized array to be used as parent data. + */ + bool per_parent_data; + + /** * @init_hw: optional routine to initialize hardware before * an IRQ chip will be added. This is quite useful when * a particular driver wants to clear IRQ related registers |