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Diffstat (limited to 'arch/um/drivers/chan.h')
-rw-r--r--arch/um/drivers/chan.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/um/drivers/chan.h b/arch/um/drivers/chan.h
index c512b0306dd4..5a61db512ffb 100644
--- a/arch/um/drivers/chan.h
+++ b/arch/um/drivers/chan.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
*/
#ifndef __CHAN_KERN_H__
@@ -22,7 +22,8 @@ struct chan {
unsigned int output:1;
unsigned int opened:1;
unsigned int enabled:1;
- int fd;
+ int fd_in;
+ int fd_out; /* only different to fd_in if blocking output is needed */
const struct chan_ops *ops;
void *data;
};
@@ -30,13 +31,12 @@ struct chan {
extern void chan_interrupt(struct line *line, int irq);
extern int parse_chan_pair(char *str, struct line *line, int device,
const struct chan_opts *opts, char **error_out);
-extern int write_chan(struct chan *chan, const char *buf, int len,
+extern int write_chan(struct chan *chan, const u8 *buf, size_t len,
int write_irq);
extern int console_write_chan(struct chan *chan, const char *buf,
int len);
extern int console_open_chan(struct line *line, struct console *co);
extern void deactivate_chan(struct chan *chan, int irq);
-extern void reactivate_chan(struct chan *chan, int irq);
extern void chan_enable_winch(struct chan *chan, struct tty_port *port);
extern int enable_chan(struct line *line);
extern void close_chan(struct line *line);