Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 106551a..14cac4a 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -23,11 +23,9 @@
/* The maximum number of ports one device can grab at once */
#define MAX_NUM_PORTS 16
-/* parity check flag */
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
/* USB serial flags */
#define USB_SERIAL_WRITE_BUSY 0
+#define USB_SERIAL_THROTTLED 1
/**
* usb_serial_port: structure for the specific ports of a device.
@@ -67,8 +65,6 @@
* @flags: usb serial port flags
* @write_wait: a wait_queue_head_t used by the port.
* @work: work queue entry for the line discipline waking up.
- * @throttled: nonzero if the read urb is inactive to throttle the device
- * @throttle_req: nonzero if the tty wants to throttle us
* @dev: pointer to the serial device
*
* This structure is used by the usb-serial core and drivers for the specific
@@ -115,8 +111,6 @@
unsigned long flags;
wait_queue_head_t write_wait;
struct work_struct work;
- char throttled;
- char throttle_req;
unsigned long sysrq; /* sysrq timeout */
struct device dev;
};
@@ -285,6 +279,8 @@
int (*write_room)(struct tty_struct *tty);
int (*ioctl)(struct tty_struct *tty,
unsigned int cmd, unsigned long arg);
+ int (*get_serial)(struct tty_struct *tty, struct serial_struct *ss);
+ int (*set_serial)(struct tty_struct *tty, struct serial_struct *ss);
void (*set_termios)(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old);
void (*break_ctl)(struct tty_struct *tty, int break_state);