clock-imx35: fix divider if ahb is source for ipg_per

According to the Datasheet:
"i.MX35 (MCIMX35) Multimedia Applications Processor Reference Manual,
Rev. 2" "Table 14-6. PDR0 Field Descriptions" the divider is
CCM_PER_AHB[3:0] + 1.

This patch adds the missing + 1.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-mx3/clock-imx35.c b/arch/arm/mach-mx3/clock-imx35.c
index d3a8d3f32160..e582ceb6e0c1 100644
--- a/arch/arm/mach-mx3/clock-imx35.c
+++ b/arch/arm/mach-mx3/clock-imx35.c
@@ -292,7 +292,7 @@ static unsigned long get_rate_ipg_per(struct clk *clk)
                 return get_rate_arm() / (div + 1);
         } else {
                 div = (pdr0 >> 12) & 0x7;
-                return get_rate_ahb(NULL) / div;
+                return get_rate_ahb(NULL) / (div + 1);
         }
 }