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powerpc/xmon: Remove unused xmon_expect() & xmon_read_poll() 

It looks like xmon_expect() was used for doing xmon over a modem (!?),
that code was dropped in 2005 in commit 51d3082 "Unify udbg (#2)".

Once xmon_expect() is gone xmon_read_poll() is unused, drop it too.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Michael Ellerman 2012-10-09 04:20:29 +00:00 committed by Benjamin Herrenschmidt
parent 6432200aa8
commit eb1c2abb61
3 changed files with 0 additions and 36 deletions
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27
arch/powerpc/xmon/nonstdio.c
View File

@ -23,33 +23,6 @@ static char line[256];
static char *lineptr;
static int lineleft;
int xmon_expect(const char *str, unsigned long timeout)
{
int c;
unsigned long t0;
/* assume 25MHz default timebase if tb_ticks_per_sec not set yet */
timeout *= tb_ticks_per_sec? tb_ticks_per_sec: 25000000;
t0 = get_tbl();
do {
lineptr = line;
for (;;) {
c = xmon_read_poll();
if (c == -1) {
if (get_tbl() - t0 > timeout)
return 0;
continue;
}
if (c == '\n')
break;
if (c != '\r' && lineptr < &line[sizeof(line) - 1])
*lineptr++ = c;
}
*lineptr = 0;
} while (strstr(line, str) == NULL);
return 1;
}
int xmon_getchar(void)
{
int c;

2
arch/powerpc/xmon/nonstdio.h
View File

@ -9,7 +9,5 @@ extern void xmon_puts(const char *);
extern char *xmon_gets(char *, int);
extern void xmon_printf(const char *, ...);
extern void xmon_map_scc(void);
extern int xmon_expect(const char *str, unsigned long timeout);
extern int xmon_write(const void *ptr, int nb);
extern int xmon_readchar(void);
extern int xmon_read_poll(void);

7
arch/powerpc/xmon/start.c
View File

@ -25,10 +25,3 @@ int xmon_readchar(void)
return udbg_getc();
return -1;
}
int xmon_read_poll(void)
{
if (udbg_getc_poll)
return udbg_getc_poll();
return -1;
}