diff options
author | Paul Mundt <lethal@linux-sh.org> | 2006-12-12 09:00:47 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2006-12-12 09:00:47 +0900 |
commit | b641fe016a29fe2c0c7b0d717a5918e3f067a44f (patch) | |
tree | 461143f1ed3f43dbbb6c5388020e24add1601ce0 /arch | |
parent | e2dfb912d3cea97d8b1d6750abbe9c942b6f73f5 (diff) | |
download | op-kernel-dev-b641fe016a29fe2c0c7b0d717a5918e3f067a44f.zip op-kernel-dev-b641fe016a29fe2c0c7b0d717a5918e3f067a44f.tar.gz |
sh: Use early_param() for earlyprintk parsing.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sh/kernel/early_printk.c | 20 | ||||
-rw-r--r-- | arch/sh/kernel/setup.c | 27 |
2 files changed, 16 insertions, 31 deletions
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c index 6034082..560b91c 100644 --- a/arch/sh/kernel/early_printk.c +++ b/arch/sh/kernel/early_printk.c @@ -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); diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index fe545bb..225f9ea 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -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 |