[PATCH 25/61] Fix off-by-one error in CPM2 setbrg().

[Scott Wood]

The hardware adds one to the BRG value to get the divider, so it must
be subtracted by software.

Signed-off-by: Scott Wood <scottwood at freescale.com>
---
 arch/powerpc/sysdev/cpm2_common.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/sysdev/cpm2_common.c b/arch/powerpc/sysdev/cpm2_common.c
index 9244129..daf7497 100644
--- a/arch/powerpc/sysdev/cpm2_common.c
+++ b/arch/powerpc/sysdev/cpm2_common.c
@@ -102,7 +102,7 @@ cpm_setbrg(uint brg, uint rate)
 		brg -= 4;
 	}
 	bp += brg;
-	*bp = ((BRG_UART_CLK / rate) << 1) | CPM_BRG_EN;
+	*bp = (((BRG_UART_CLK / rate) - 1) << 1) | CPM_BRG_EN;
 
 	cpm2_unmap(bp);
 }
-- 
1.5.0.3