[PATCH v1 1/6] mips: Return proper error code from console ->setup() hook

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

For unifying console ->setup() handling, which is pure documented,
return error code, rather than non-zero arbitrary number.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
 arch/mips/fw/arc/arc_con.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/mips/fw/arc/arc_con.c b/arch/mips/fw/arc/arc_con.c
index 365e3913231e..7fdce236b298 100644
--- a/arch/mips/fw/arc/arc_con.c
+++ b/arch/mips/fw/arc/arc_con.c
@@ -28,7 +28,9 @@ static void prom_console_write(struct console *co, const char *s,
 
 static int prom_console_setup(struct console *co, char *options)
 {
-	return !(prom_flags & PROM_FLAG_USE_AS_CONSOLE);
+	if (prom_flags & PROM_FLAG_USE_AS_CONSOLE)
+		return 0;
+	return -ENODEV;
 }
 
 static struct console arc_cons = {
-- 
2.27.0