diff options
| -rw-r--r-- | drivers/tty/serdev/core.c | 11 | ||||
| -rw-r--r-- | drivers/tty/serdev/serdev-ttyport.c | 49 | ||||
| -rw-r--r-- | include/linux/serdev.h | 22 |
3 files changed, 0 insertions, 82 deletions
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index 5c25ae20e508..f1324fe99378 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -349,17 +349,6 @@ unsigned int serdev_device_set_baudrate(struct serdev_device *serdev, unsigned i } EXPORT_SYMBOL_GPL(serdev_device_set_baudrate); -void serdev_device_set_error_mask(struct serdev_device *serdev, unsigned long mask) -{ - struct serdev_controller *ctrl = serdev->ctrl; - - if (!ctrl || !ctrl->ops->set_error_mask) - return; - - ctrl->ops->set_error_mask(ctrl, mask); -} -EXPORT_SYMBOL_GPL(serdev_device_set_error_mask); - void serdev_device_set_flow_control(struct serdev_device *serdev, bool enable) { struct serdev_controller *ctrl = serdev->ctrl; diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c index 239a1d5c66df..d367803e2044 100644 --- a/drivers/tty/serdev/serdev-ttyport.c +++ b/drivers/tty/serdev/serdev-ttyport.c @@ -2,7 +2,6 @@ /* * Copyright (C) 2016-2017 Linaro Ltd., Rob Herring <robh@kernel.org> */ -#include <linux/bits.h> #include <linux/kernel.h> #include <linux/serdev.h> #include <linux/tty.h> @@ -10,10 +9,6 @@ #include <linux/poll.h> #define SERPORT_ACTIVE 1 -#define SERPORT_NOTIFY_BREAK 2 -#define SERPORT_NOTIFY_FRAME 3 -#define SERPORT_NOTIFY_PARITY 4 -#define SERPORT_NOTIFY_OVERRUN 5 struct serport { struct tty_port *port; @@ -32,39 +27,11 @@ static int ttyport_receive_buf(struct tty_port *port, const unsigned char *cp, { struct serdev_controller *ctrl = port->client_data; struct serport *serport = serdev_controller_get_drvdata(ctrl); - unsigned long errors = 0; - unsigned int i; int ret; if (!test_bit(SERPORT_ACTIVE, &serport->flags)) return 0; - for (i = 0; fp && i < count; i++) { - switch (fp[i]) { - case TTY_BREAK: - if (test_bit(SERPORT_NOTIFY_BREAK, &serport->flags)) - __set_bit(SERDEV_ERROR_BREAK, &errors); - break; - - case TTY_FRAME: - if (test_bit(SERPORT_NOTIFY_FRAME, &serport->flags)) - __set_bit(SERDEV_ERROR_FRAME, &errors); - break; - - case TTY_PARITY: - if (test_bit(SERPORT_NOTIFY_PARITY, &serport->flags)) - __set_bit(SERDEV_ERROR_PARITY, &errors); - break; - - case TTY_OVERRUN: - if (test_bit(SERPORT_NOTIFY_OVERRUN, &serport->flags)) - __set_bit(SERDEV_ERROR_OVERRUN, &errors); - break; - } - } - if (errors) - serdev_controller_error(ctrl, errors); - ret = serdev_controller_receive_buf(ctrl, cp, count); dev_WARN_ONCE(&ctrl->dev, ret < 0 || ret > count, @@ -213,21 +180,6 @@ static unsigned int ttyport_set_baudrate(struct serdev_controller *ctrl, unsigne return ktermios.c_ospeed; } -static void ttyport_set_error_mask(struct serdev_controller *ctrl, - unsigned long m) -{ - struct serport *sp = serdev_controller_get_drvdata(ctrl); - - assign_bit(SERPORT_NOTIFY_BREAK, &sp->flags, - m & BIT(SERDEV_ERROR_BREAK)); - assign_bit(SERPORT_NOTIFY_FRAME, &sp->flags, - m & BIT(SERDEV_ERROR_FRAME)); - assign_bit(SERPORT_NOTIFY_PARITY, &sp->flags, - m & BIT(SERDEV_ERROR_PARITY)); - assign_bit(SERPORT_NOTIFY_OVERRUN, &sp->flags, - m & BIT(SERDEV_ERROR_OVERRUN)); -} - static void ttyport_set_flow_control(struct serdev_controller *ctrl, bool enable) { struct serport *serport = serdev_controller_get_drvdata(ctrl); @@ -301,7 +253,6 @@ static const struct serdev_controller_ops ctrl_ops = { .write_room = ttyport_write_room, .open = ttyport_open, .close = ttyport_close, - .set_error_mask = ttyport_set_error_mask, .set_flow_control = ttyport_set_flow_control, .set_parity = ttyport_set_parity, .set_baudrate = ttyport_set_baudrate, diff --git a/include/linux/serdev.h b/include/linux/serdev.h index 0d0b22fc7e37..3368c261ab62 100644 --- a/include/linux/serdev.h +++ b/include/linux/serdev.h @@ -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, |