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sh: Use early_param() for earlyprintk parsing. 

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
hifive-unleashed-5.1
Paul Mundt 2006-12-12 09:00:47 +09:00
parent e2dfb912d3
commit b641fe016a
2 changed files with 16 additions and 31 deletions
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20
arch/sh/kernel/early_printk.c
View File

@ -144,16 +144,16 @@ static struct console *early_console =
;
static int __initdata keep_early;
static int early_console_initialized;
int __init setup_early_printk(char *opt)
int __init setup_early_printk(char *buf)
{
char *space;
char buf[256];
if (!buf)
return 0;
strlcpy(buf, opt, sizeof(buf));
space = strchr(buf, ' ');
if (space)
*space = 0;
if (early_console_initialized)
return 0;
early_console_initialized = 1;
if (strstr(buf, "keep"))
keep_early = 1;
@ -175,12 +175,14 @@ int __init setup_early_printk(char *opt)
if (likely(early_console))
register_console(early_console);
return 1;
return 0;
}
__setup("earlyprintk=", setup_early_printk);
early_param("earlyprintk", setup_early_printk);
void __init disable_early_printk(void)
{
if (!early_console_initialized || !early_console)
return;
if (!keep_early) {
printk("disabling early console\n");
unregister_console(early_console);

27
arch/sh/kernel/setup.c
View File

@ -84,8 +84,7 @@ unsigned long memory_start, memory_end;
static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE],
struct sh_machine_vector** mvp,
unsigned long *mv_io_base,
int *mv_mmio_enable)
unsigned long *mv_io_base)
{
char c = ' ', *to = command_line, *from = COMMAND_LINE;
int len = 0;
@ -112,23 +111,6 @@ static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE],
}
}
#ifdef CONFIG_EARLY_PRINTK
if (c == ' ' && !memcmp(from, "earlyprintk=", 12)) {
char *ep_end;
if (to != command_line)
to--;
from += 12;
ep_end = strchr(from, ' ');
setup_early_printk(from);
printk("early console enabled\n");
from = ep_end;
}
#endif
if (c == ' ' && !memcmp(from, "sh_mv=", 6)) {
char* mv_end;
char* mv_comma;
@ -145,7 +127,6 @@ static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE],
int ints[3];
get_options(mv_comma+1, ARRAY_SIZE(ints), ints);
*mv_io_base = ints[1];
*mv_mmio_enable = ints[2];
mv_len = mv_comma - from;
} else {
mv_len = mv_end - from;
@ -158,6 +139,7 @@ static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE],
*mvp = get_mv_byname(mv_name);
}
c = *(from++);
if (!c)
break;
@ -177,9 +159,8 @@ static int __init sh_mv_setup(char **cmdline_p)
struct sh_machine_vector *mv = NULL;
char mv_name[MV_NAME_SIZE] = "";
unsigned long mv_io_base = 0;
int mv_mmio_enable = 0;
parse_cmdline(cmdline_p, mv_name, &mv, &mv_io_base, &mv_mmio_enable);
parse_cmdline(cmdline_p, mv_name, &mv, &mv_io_base);
#ifdef CONFIG_SH_UNKNOWN
if (mv == NULL) {
@ -258,6 +239,7 @@ void __init setup_arch(char **cmdline_p)
sh_mv_setup(cmdline_p);
/*
* Find the highest page frame number we have available
*/
@ -305,6 +287,7 @@ void __init setup_arch(char **cmdline_p)
PFN_PHYS(pages));
}
/*
* Reserve the kernel text and
* Reserve the bootmem bitmap. We do this in two steps (first step