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-rw-r--r--arch/sparc/prom/console_32.c65
1 files changed, 12 insertions, 53 deletions
diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c
index 5340264b78f5..48863108a44c 100644
--- a/arch/sparc/prom/console_32.c
+++ b/arch/sparc/prom/console_32.c
@@ -16,63 +16,26 @@
extern void restore_current(void);
-/* Non blocking get character from console input device, returns -1
- * if no input was taken. This can be used for polling.
- */
-int
-prom_nbgetchar(void)
-{
- static char inc;
- int i = -1;
- unsigned long flags;
-
- spin_lock_irqsave(&prom_lock, flags);
- switch(prom_vers) {
- case PROM_V0:
- i = (*(romvec->pv_nbgetchar))();
- break;
- case PROM_V2:
- case PROM_V3:
- if( (*(romvec->pv_v2devops).v2_dev_read)(*romvec->pv_v2bootargs.fd_stdin , &inc, 0x1) == 1) {
- i = inc;
- } else {
- i = -1;
- }
- break;
- default:
- i = -1;
- break;
- };
- restore_current();
- spin_unlock_irqrestore(&prom_lock, flags);
- return i; /* Ugh, we could spin forever on unsupported proms ;( */
-}
-
/* Non blocking put character to console device, returns -1 if
* unsuccessful.
*/
-int
-prom_nbputchar(char c)
+static int prom_nbputchar(const char *buf)
{
- static char outc;
unsigned long flags;
int i = -1;
spin_lock_irqsave(&prom_lock, flags);
switch(prom_vers) {
case PROM_V0:
- i = (*(romvec->pv_nbputchar))(c);
+ i = (*(romvec->pv_nbputchar))(*buf);
break;
case PROM_V2:
case PROM_V3:
- outc = c;
- if( (*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, &outc, 0x1) == 1)
+ if ((*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout,
+ buf, 0x1) == 1)
i = 0;
- else
- i = -1;
break;
default:
- i = -1;
break;
};
restore_current();
@@ -80,18 +43,14 @@ prom_nbputchar(char c)
return i; /* Ugh, we could spin forever on unsupported proms ;( */
}
-/* Blocking version of get character routine above. */
-char
-prom_getchar(void)
+void prom_console_write_buf(const char *buf, int len)
{
- int character;
- while((character = prom_nbgetchar()) == -1) ;
- return (char) character;
+ while (len) {
+ int n = prom_nbputchar(buf);
+ if (n)
+ continue;
+ len--;
+ buf++;
+ }
}
-/* Blocking version of put character routine above. */
-void
-prom_putchar(char c)
-{
- while(prom_nbputchar(c) == -1) ;
-}