From: roel kluin <roel.kluin@gmail.com>
Date: Tue, 14 Oct 2008 14:36:31 +0000 (+0000)
Subject: powerpc: Unsigned speed cannot be negative in udbg_16559.c
X-Git-Tag: v2.6.28-rc1~58^2~25
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=bb5e6491cae4c5d6ddfa3e173e22efb35f595949;p=linux-2.6-omap-h63xx.git

powerpc: Unsigned speed cannot be negative in udbg_16559.c

"unsigned int" speed cannot be negative, it's thus pointless
to test if it is.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c
index cb01ebc5938..7b7da8cfd5e 100644
--- a/arch/powerpc/kernel/udbg_16550.c
+++ b/arch/powerpc/kernel/udbg_16550.c
@@ -142,7 +142,7 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock)
 	speed = (clock / prescaler) / (divisor * 16);
 
 	/* sanity check */
-	if (speed < 0 || speed > (clock / 16))
+	if (speed > (clock / 16))
 		speed = 9600;
 
 	return speed;