ppc4xx: Fix problem in gpio_config()

As pointed out by Guennadi Liakhovetski (thanks), pin2 is already shifted
left by one. So the additional shift is bogus.

Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/cpu/ppc4xx/gpio.c b/cpu/ppc4xx/gpio.c
index 37d3fa8..df99f53 100644 (file)
--- a/cpu/ppc4xx/gpio.c
+++ b/cpu/ppc4xx/gpio.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2007
+ * (C) Copyright 2007-2008
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -52,7 +52,7 @@ void gpio_config(int pin, int in_out, int gpio_alt, int out_val)
        }
 
        mask = 0x80000000 >> pin;
-       mask2 = 0xc0000000 >> (pin2 << 1);
+       mask2 = 0xc0000000 >> pin2;
 
        /* first set TCR to 0 */
        out_be32((void *)GPIO0_TCR + offs, in_be32((void *)GPIO0_TCR + offs) & ~mask);