[PATCH] ARM: 2781/2: PXA27x Standby mode take 2

Patch from Todd Poynor

Add support for PXA27x Standby mode, a low-power mode that retains CPU
and some peripheral state (the existing "sleep" mode is a power-power
mode that retains less state). Activated via:
echo -n standby > /sys/power/state
From: David Burrage and Todd Poynor

Signed-off-by: Todd Poynor <tpoynor@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index b5e54a9..803dc92 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1505,6 +1505,7 @@
 #define PSSR_OTGPH	(1 << 6)	/* OTG Peripheral control Hold */
 #define PSSR_RDH	(1 << 5)	/* Read Disable Hold */
 #define PSSR_PH		(1 << 4)	/* Peripheral Control Hold */
+#define PSSR_STS	(1 << 3)	/* Standby Mode Status */
 #define PSSR_VFS	(1 << 2)	/* VDD Fault Status */
 #define PSSR_BFS	(1 << 1)	/* Battery Fault Status */
 #define PSSR_SSS	(1 << 0)	/* Software Sleep Status */