linux-kernel - [PATCH] earlycon: Revert log warnings

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Date:	Thu,  7 May 2015 14:19:21 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	Peter Hurley <peter@...leysoftware.com>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Robert Schwebel <r.schwebel@...gutronix.de>
Subject: [PATCH] earlycon: Revert log warnings

Log warnings meant to help diagnose problems setting up earlycon
are reporting false positives for 'console='. Revert to the
previous behavior which reported nothing.

Cc: Maciej W. Rozycki <macro@...ux-mips.org>
Cc: Robert Schwebel <r.schwebel@...gutronix.de>
Signed-off-by: Peter Hurley <peter@...leysoftware.com>
---
 drivers/tty/serial/earlycon.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index 9834afc..6e39b14 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -205,13 +205,8 @@ static int __init param_setup_earlycon(char *buf)
 		return 0;
 
 	err = setup_earlycon(buf);
-	if (err == -ENOENT) {
-		pr_warn("no match for %s\n", buf);
-		err = 0;
-	} else if (err == -EALREADY) {
-		pr_warn("already registered\n");
-		err = 0;
-	}
+	if (err == -ENOENT || err == -EALREADY)
+		return 0;
 	return err;
 }
 early_param("earlycon", param_setup_earlycon);
-- 
2.4.0

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