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Revert "serdev: BREAK/FRAME/PARITY/OVERRUN notification prototype V2"

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This reverts commit d8e9a406a9.

It needs some future changes as pointed out by Johan and is not ready to
be merged just yet.

Reported-by: Johan Hovold <johan@kernel.org>
Cc: Magnus Damm <damm+renesas@opensource.se>
Link: https://lore.kernel.org/r/Yc7oZ/1tu95Z4wPS@hovoldconsulting.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2021-12-31 13:42:30 +01:00
parent 5acb78dc72
commit 99a507a8ea
3 changed files with 0 additions and 82 deletions
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22
include/linux/serdev.h
View file

@ -19,15 +19,12 @@ struct serdev_device;
/**
* struct serdev_device_ops - Callback operations for a serdev device
* @error: Function called with errors received from device;
* may sleep.
* @receive_buf: Function called with data received from device;
* returns number of bytes accepted; may sleep.
* @write_wakeup: Function called when ready to transmit more data; must
* not sleep.
*/
struct serdev_device_ops {
void (*error)(struct serdev_device *, unsigned long);
int (*receive_buf)(struct serdev_device *, const unsigned char *, size_t);
void (*write_wakeup)(struct serdev_device *);
};
@ -79,11 +76,6 @@ enum serdev_parity {
SERDEV_PARITY_ODD,
};
#define SERDEV_ERROR_BREAK 0
#define SERDEV_ERROR_FRAME 1
#define SERDEV_ERROR_PARITY 2
#define SERDEV_ERROR_OVERRUN 3
/*
* serdev controller structures
*/
@ -93,7 +85,6 @@ struct serdev_controller_ops {
int (*write_room)(struct serdev_controller *);
int (*open)(struct serdev_controller *);
void (*close)(struct serdev_controller *);
void (*set_error_mask)(struct serdev_controller *, unsigned long);
void (*set_flow_control)(struct serdev_controller *, bool);
int (*set_parity)(struct serdev_controller *, enum serdev_parity);
unsigned int (*set_baudrate)(struct serdev_controller *, unsigned int);
@ -199,24 +190,12 @@ static inline int serdev_controller_receive_buf(struct serdev_controller *ctrl,
return serdev->ops->receive_buf(serdev, data, count);
}
static inline void serdev_controller_error(struct serdev_controller *ctrl,
unsigned long errors)
{
struct serdev_device *serdev = ctrl->serdev;
if (!serdev || !serdev->ops->error)
return;
serdev->ops->error(serdev, errors);
}
#if IS_ENABLED(CONFIG_SERIAL_DEV_BUS)
int serdev_device_open(struct serdev_device *);
void serdev_device_close(struct serdev_device *);
int devm_serdev_device_open(struct device *, struct serdev_device *);
unsigned int serdev_device_set_baudrate(struct serdev_device *, unsigned int);
void serdev_device_set_error_mask(struct serdev_device *, unsigned long);
void serdev_device_set_flow_control(struct serdev_device *, bool);
int serdev_device_write_buf(struct serdev_device *, const unsigned char *, size_t);
void serdev_device_wait_until_sent(struct serdev_device *, long);
@ -259,7 +238,6 @@ static inline unsigned int serdev_device_set_baudrate(struct serdev_device *sdev
{
return 0;
}
static inline void serdev_device_set_error_mask(struct serdev_device *sdev, unsigned long mask) {}
static inline void serdev_device_set_flow_control(struct serdev_device *sdev, bool enable) {}
static inline int serdev_device_write_buf(struct serdev_device *serdev,
const unsigned char *buf,