fsl_law clear enable before changing.

Debug sessions may have left enabled laws.
Changing lawbar with an unkown enabled tgtid could cause problems.

Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>

diff --git a/drivers/misc/fsl_law.c b/drivers/misc/fsl_law.c
index 64df1c98897f9b360a336c82b3d0fb3877234f40..44c9e91cdbda241671458be0eef47e29fcc67104 100644 (file)
--- a/drivers/misc/fsl_law.c
+++ b/drivers/misc/fsl_law.c
@@ -52,6 +52,7 @@ void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id)
 
        gd->used_laws |= (1 << idx);
 
+       out_be32(lawar, 0);
        out_be32(lawbar, addr >> 12);
        out_be32(lawar, LAWAR_EN | ((u32)id << 20) | (u32)sz);