u-boot/include/iomux.h
Andy Shevchenko 400797cad3 IOMUX: Split out for_each_console_dev() helper macro
It is not only less lines of code, but also better readability
when new macro is being in use. Introduce for_each_console_dev()
helper macro and convert current users to it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-02-16 11:16:08 -05:00

36 lines
907 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2008
* Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
*/
#ifndef _IO_MUX_H
#define _IO_MUX_H
#include <stdio_dev.h>
/*
* Stuff required to support console multiplexing.
*/
/*
* Pointers to devices used for each file type. Defined in console.c
* but storage is allocated in iomux.c.
*/
extern struct stdio_dev **console_devices[MAX_FILES];
/*
* The count of devices assigned to each FILE. Defined in console.c
* and populated in iomux.c.
*/
extern int cd_count[MAX_FILES];
#define for_each_console_dev(i, file, dev) \
for (i = 0, dev = console_devices[file][i]; \
i < cd_count[file]; \
i++, dev = console_devices[file][i])
int iomux_match_device(struct stdio_dev **, const int, struct stdio_dev *);
int iomux_doenv(const int, const char *);
void iomux_printdevs(const int);
#endif /* _IO_MUX_H */