diff options
| -rw-r--r-- | include/linux/gpio/driver.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 5d325fd29d6b..8d58386aadd5 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -194,6 +194,8 @@ struct gpio_irq_chip { * @dbg_show: optional routine to show contents in debugfs; default code * will be used when this is omitted, but custom code can show extra * state (such as pullup/pulldown configuration). + * @init_valid_mask: optional routine to initialize @valid_mask, to be used if + * not all GPIOs are valid. * @base: identifies the first GPIO number handled by this chip; * or, if negative during registration, requests dynamic ID allocation. * DEPRECATION: providing anything non-negative and nailing the base |