diff options
Diffstat (limited to 'include/linux/mux/driver.h')
| -rw-r--r-- | include/linux/mux/driver.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/mux/driver.h b/include/linux/mux/driver.h index 627a2c6bc02d..e58e59354e23 100644 --- a/include/linux/mux/driver.h +++ b/include/linux/mux/driver.h @@ -12,6 +12,7 @@ #include <dt-bindings/mux/mux.h> #include <linux/device.h> +#include <linux/ktime.h> #include <linux/semaphore.h> struct mux_chip; @@ -33,6 +34,7 @@ struct mux_control_ops { * @states: The number of mux controller states. * @idle_state: The mux controller state to use when inactive, or one * of MUX_IDLE_AS_IS and MUX_IDLE_DISCONNECT. + * @last_change: Timestamp of last change * * Mux drivers may only change @states and @idle_state, and may only do so * between allocation and registration of the mux controller. Specifically, @@ -47,23 +49,25 @@ struct mux_control { unsigned int states; int idle_state; + + ktime_t last_change; }; /** * struct mux_chip - Represents a chip holding mux controllers. * @controllers: Number of mux controllers handled by the chip. - * @mux: Array of mux controllers that are handled. * @dev: Device structure. * @id: Used to identify the device internally. * @ops: Mux controller operations. + * @mux: Array of mux controllers that are handled. */ struct mux_chip { unsigned int controllers; - struct mux_control *mux; struct device dev; int id; const struct mux_control_ops *ops; + struct mux_control mux[] __counted_by(controllers); }; #define to_mux_chip(x) container_of((x), struct mux_chip, dev) |