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| author | Sebastian Reichel | 2017-03-28 17:59:32 +0200 |
|---|---|---|
| committer | Marcel Holtmann | 2017-04-12 22:12:17 +0200 |
| commit | 5659dab26f09a60db8bd1600e1ce89802fab1c7f (patch) | |
| tree | 3961742bb77f667d58434ca80e5489bf6ac5d5d2 /include/linux/serdev.h | |
| parent | serdev: add serdev_device_wait_until_sent (diff) | |
| download | kernel-qcow2-linux-5659dab26f09a60db8bd1600e1ce89802fab1c7f.tar.gz kernel-qcow2-linux-5659dab26f09a60db8bd1600e1ce89802fab1c7f.tar.xz kernel-qcow2-linux-5659dab26f09a60db8bd1600e1ce89802fab1c7f.zip | |
serdev: implement get/set tiocm
Add method for getting and setting tiocm.
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'include/linux/serdev.h')
| -rw-r--r-- | include/linux/serdev.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/serdev.h b/include/linux/serdev.h index a308b206d204..e29a270f603c 100644 --- a/include/linux/serdev.h +++ b/include/linux/serdev.h @@ -15,6 +15,7 @@ #include <linux/types.h> #include <linux/device.h> +#include <linux/termios.h> struct serdev_controller; struct serdev_device; @@ -82,6 +83,8 @@ struct serdev_controller_ops { void (*set_flow_control)(struct serdev_controller *, bool); unsigned int (*set_baudrate)(struct serdev_controller *, unsigned int); void (*wait_until_sent)(struct serdev_controller *, long); + int (*get_tiocm)(struct serdev_controller *); + int (*set_tiocm)(struct serdev_controller *, unsigned int, unsigned int); }; /** @@ -188,6 +191,8 @@ void serdev_device_close(struct serdev_device *); unsigned int serdev_device_set_baudrate(struct serdev_device *, unsigned int); void serdev_device_set_flow_control(struct serdev_device *, bool); void serdev_device_wait_until_sent(struct serdev_device *, long); +int serdev_device_get_tiocm(struct serdev_device *); +int serdev_device_set_tiocm(struct serdev_device *, int, int); int serdev_device_write_buf(struct serdev_device *, const unsigned char *, size_t); void serdev_device_write_flush(struct serdev_device *); int serdev_device_write_room(struct serdev_device *); @@ -226,6 +231,14 @@ static inline unsigned int serdev_device_set_baudrate(struct serdev_device *sdev } static inline void serdev_device_set_flow_control(struct serdev_device *sdev, bool enable) {} static inline void serdev_device_wait_until_sent(struct serdev_device *sdev, long timeout) {} +static inline int serdev_device_get_tiocm(struct serdev_device *serdev) +{ + return -ENOTSUPP; +} +static inline int serdev_device_set_tiocm(struct serdev_device *serdev, int set, int clear) +{ + return -ENOTSUPP; +} static inline int serdev_device_write_buf(struct serdev_device *sdev, const unsigned char *buf, size_t count) { return -ENODEV; |