ARM: davinci: psc: fix incorrect mask

There are 5 LSB bits defined in PDSTAT and the code
currently uses a mask of 1 bit to check the status.

Use a proper mask per the hardware specification.
While at it, use a #define for the mask to improve
readability.

Reviewed-by: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index fa59c097223d..8bf279a88b4b 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -244,6 +244,7 @@
 #define PSC_STATE_ENABLE        3
 
 #define MDSTAT_STATE_MASK       0x3f
+#define PDSTAT_STATE_MASK       0x1f
 #define MDCTL_FORCE             BIT(31)
 
 #ifndef __ASSEMBLER__