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[PATCH] powerpc: udbg updates

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The udbg low level io layer has an issue with udbg_getc() returning a
char (unsigned on ppc) instead of an int, thus the -1 if you had no
available input device could end up turned into 0xff, filling your
display with bogus characters. This fixes it, along with adding a little
blob to xmon to do a delay before exiting when getting an EOF and fixing
the detection of ADB keyboards in udbg_adb.c

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt 2005-11-30 16:54:12 +11:00 • committed by Paul Mackerras
commit bb6b9b28d6
9 changed files with 24 additions and 19 deletions
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2
include/asm-powerpc/udbg.h
View file

@ -14,7 +14,7 @@
#include <linux/init.h>
extern void (*udbg_putc)(char c);
extern char (*udbg_getc)(void);
extern int (*udbg_getc)(void);
extern int (*udbg_getc_poll)(void);
extern void udbg_puts(const char *s);