No need to have specific locking for console I/O since
the PDC functions provide an own locking.
Signed-off-by: Helge Deller <deller@xxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # 6.1+
---
arch/parisc/kernel/pdc_cons.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 7d0989f523d0..df374f7b42c9 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -12,29 +12,19 @@
#include <asm/page.h> /* for PAGE0 */
#include <asm/pdc.h> /* for iodc_call() proto and friends */
-static DEFINE_SPINLOCK(pdc_console_lock);
-
static void pdc_console_write(struct console *co, const char *s, unsigned 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);
}
#ifdef CONFIG_KGDB
static int kgdb_pdc_read_char(void)
{
- int c;
- unsigned long flags;
-
- spin_lock_irqsave(&pdc_console_lock, flags);
- c = pdc_iodc_getc();
- spin_unlock_irqrestore(&pdc_console_lock, flags);
+ int c = pdc_iodc_getc();
return (c <= 0) ? NO_POLL_CHAR : c;
}
--
2.38.1
