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authorRoman Zippel <zippel@linux-m68k.org>2007-05-01 22:32:45 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-04 17:59:06 -0700
commitd6713b4091a99fa2af2fabdcd2f3fb97f32ecf2e (patch)
tree7cabd0ff35f9ec4413ba936ddb203d13dffb1550 /arch/m68k/mac/debug.c
parentf8744bc95dac461cef40df7143756d1bfa393991 (diff)
downloadlinux-2.6.34-ux500-d6713b4091a99fa2af2fabdcd2f3fb97f32ecf2e.tar.gz
m68k: early parameter support
Add early parameter support and convert current users to it. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/m68k/mac/debug.c')
-rw-r--r--arch/m68k/mac/debug.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/m68k/mac/debug.c b/arch/m68k/mac/debug.c
index 83990326099..7a5bed5bdc5 100644
--- a/arch/m68k/mac/debug.c
+++ b/arch/m68k/mac/debug.c
@@ -27,10 +27,6 @@
#include <asm/machw.h>
#include <asm/macints.h>
-extern char m68k_debug_device[];
-
-extern struct compat_bootinfo compat_boot_info;
-
extern unsigned long mac_videobase;
extern unsigned long mac_videodepth;
extern unsigned long mac_rowbytes;
@@ -360,16 +356,18 @@ void mac_init_sccb_port(int cflag)
mac_init_scc_port(cflag, 1);
}
-void __init mac_debug_init(void)
+static int __init mac_debug_setup(char *arg)
{
+ if (!MACH_IS_MAC)
+ return 0;
+
#ifdef DEBUG_SERIAL
- if (!strcmp(m68k_debug_device, "ser") ||
- !strcmp(m68k_debug_device, "ser1")) {
+ if (!strcmp(arg, "ser") || !strcmp(arg, "ser1")) {
/* Mac modem port */
mac_init_scc_port(B9600|CS8, 0);
mac_console_driver.write = mac_scca_console_write;
scc_port = 0;
- } else if (!strcmp(m68k_debug_device, "ser2")) {
+ } else if (!strcmp(arg, "ser2")) {
/* Mac printer port */
mac_init_scc_port(B9600|CS8, 1);
mac_console_driver.write = mac_sccb_console_write;
@@ -377,12 +375,14 @@ void __init mac_debug_init(void)
}
#endif
#ifdef DEBUG_HEADS
- if (!strcmp(m68k_debug_device, "scn") ||
- !strcmp(m68k_debug_device, "con")) {
+ if (!strcmp(arg, "scn") || !strcmp(arg, "con")) {
/* display, using head.S console routines */
mac_console_driver.write = mac_debug_console_write;
}
#endif
if (mac_console_driver.write)
register_console(&mac_console_driver);
+ return 0;
}
+
+early_param("debug", mac_debug_setup);