The last user of udbg_read() was removed in 2005, in commit
fca5dcd
"Simplify and clean up the xmon terminal I/O".
Given we haven't needed it for 7 years we can probably drop it.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
extern void udbg_puts(const char *s);
extern int udbg_write(const char *s, int n);
-extern int udbg_read(char *buf, int buflen);
extern void register_early_udbg_console(void);
extern void udbg_printf(const char *fmt, ...)
return n - remain;
}
-int udbg_read(char *buf, int buflen)
-{
- char *p = buf;
- int i, c;
-
- if (!udbg_getc)
- return 0;
-
- for (i = 0; i < buflen; ++i) {
- do {
- c = udbg_getc();
- if (c == -1 && i == 0)
- return -1;
-
- } while (c == 0x11 || c == 0x13);
- if (c == 0 || c == -1)
- break;
- *p++ = c;
- }
-
- return i;
-}
-
#define UDBG_BUFSIZE 256
void udbg_printf(const char *fmt, ...)
{