ARM: pm: add generic CPU suspend/resume support

This adds core support for saving and restoring CPU coprocessor
registers for suspend/resume support.  This contains support for suspend
with ARM920, ARM926, SA11x0, PXA25x, PXA27x, PXA3xx, V6 and V7 CPUs.
Tested on Assabet and Tegra 2.

Tested-by: Colin Cross <ccross@android.com>
Tested-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 5302a917271b..927522cfc12e 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -13,6 +13,7 @@
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/dma-mapping.h>
+#include <asm/cacheflush.h>
 #include <asm/glue-df.h>
 #include <asm/glue-pf.h>
 #include <asm/mach/arch.h>
@@ -116,6 +117,14 @@ int main(void)
 #ifdef MULTI_PABORT
   DEFINE(PROCESSOR_PABT_FUNC,   offsetof(struct processor, _prefetch_abort));
 #endif
+#ifdef MULTI_CPU
+  DEFINE(CPU_SLEEP_SIZE,        offsetof(struct processor, suspend_size));
+  DEFINE(CPU_DO_SUSPEND,        offsetof(struct processor, do_suspend));
+  DEFINE(CPU_DO_RESUME,         offsetof(struct processor, do_resume));
+#endif
+#ifdef MULTI_CACHE
+  DEFINE(CACHE_FLUSH_KERN_ALL,  offsetof(struct cpu_cache_fns, flush_kern_all));
+#endif
   BLANK();
   DEFINE(DMA_BIDIRECTIONAL,     DMA_BIDIRECTIONAL);
   DEFINE(DMA_TO_DEVICE,         DMA_TO_DEVICE);