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Diffstat (limited to 'arch/parisc/kernel/pdc_cons.c')
-rw-r--r--arch/parisc/kernel/pdc_cons.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 33b1f84441b1..ccb68090781e 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -52,28 +52,30 @@
#include <linux/tty.h>
#include <asm/pdc.h> /* for iodc_call() proto and friends */
+static spinlock_t pdc_console_lock = SPIN_LOCK_UNLOCKED;
static void pdc_console_write(struct console *co, const char *s, unsigned count)
{
- pdc_iodc_print(s, count);
+ int i = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pdc_console_lock, flags);
+ do {
+ i += pdc_iodc_print(s + i, count - i);
+ } while (i < count);
+ spin_unlock_irqrestore(&pdc_console_lock, flags);
}
-void pdc_printf(const char *fmt, ...)
+int pdc_console_poll_key(struct console *co)
{
- va_list args;
- char buf[1024];
- int i, len;
-
- va_start(args, fmt);
- len = vscnprintf(buf, sizeof(buf), fmt, args);
- va_end(args);
+ int c;
+ unsigned long flags;
- pdc_iodc_print(buf, len);
-}
+ spin_lock_irqsave(&pdc_console_lock, flags);
+ c = pdc_iodc_getc();
+ spin_unlock_irqrestore(&pdc_console_lock, flags);
-int pdc_console_poll_key(struct console *co)
-{
- return pdc_iodc_getc();
+ return c;
}
static int pdc_console_setup(struct console *co, char *options)

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