xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

early_printk: consolidate random copies of identical code

Browse Source 
The early console implementations are the same all over the place.  Move
the print function to kernel/printk and get rid of the copies.

[akpm@linux-foundation.org: arch/mips/kernel/early_printk.c needs kernel.h for va_list]
[paul.gortmaker@windriver.com: sh4: make the bios early console support depend on EARLY_PRINTK]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Richard Weinberger <richard@nod.at>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Thomas Gleixner
2013-04-29 16:17:18 -07:00
committed by Linus Torvalds
parent 07c65f4d1a
commit d0380e6c3c
13 changed files with 63 additions and 109 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
arch/arm/kernel/early_printk.c
View File

@@ -29,28 +29,17 @@ static void early_console_write(struct console *con, const char *s, unsigned n)
early_write(s, n);
}
static struct console early_console = {
static struct console early_console_dev = {
.name = "earlycon",
.write = early_console_write,
.flags = CON_PRINTBUFFER | CON_BOOT,
.index = -1,
};
asmlinkage void early_printk(const char *fmt, ...)
{
char buf[512];
int n;
va_list ap;
va_start(ap, fmt);
n = vscnprintf(buf, sizeof(buf), fmt, ap);
early_write(buf, n);
va_end(ap);
}
static int __init setup_early_printk(char *buf)
{
register_console(&early_console);
early_console = &early_console_dev;
register_console(&early_console_dev);
return 0;
}