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| author |   Linus Walleij <linus.walleij@linaro.org> | 2019-11-05 11:00:40 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2019-11-05 11:00:40 +0100 |
| commit | c196924277ea82200d4c4fd9537c71390b96f247 (patch) | |
| tree | 2f76c094c3adee9c041e9e89a9431c5c7ef08e85 /include/linux/gpio | |
| parent | gpio: Add xgs-iproc driver (diff) | |
| parent | Linux 5.4-rc6 (diff) | |
| download | wireguard-linux-c196924277ea82200d4c4fd9537c71390b96f247.tar.xz wireguard-linux-c196924277ea82200d4c4fd9537c71390b96f247.zip | |
Merge tag 'v5.4-rc6' into devel
Linux 5.4-rc6
Diffstat (limited to 'include/linux/gpio')
| -rw-r--r-- | include/linux/gpio/driver.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index f8245d67f070..5dd9c982e2cb 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -202,6 +202,14 @@ struct gpio_irq_chip { bool threaded; /** + * @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 + * in order to avoid undesired events. + */ + int (*init_hw)(struct gpio_chip *chip); + + /** * @init_valid_mask: optional routine to initialize @valid_mask, to be * used if not all GPIO lines are valid interrupts. Sometimes some * lines just cannot fire interrupts, and this routine, when defined, |