Santosh Shilimkar [off-list ref] writes:
quoted hunk
When MPUSS hits off-mode e, L2 cache is lost. This patch adds L2X0
necessary maintenance operations and context restoration in the
low power code.
Signed-off-by: Santosh Shilimkar <redacted>
Reviewed-by: Kevin Hilman <redacted>
---
arch/arm/mach-omap2/omap4-mpuss-lowpower.c | 11 +++++
arch/arm/mach-omap2/omap4-sar-layout.h | 2 +
arch/arm/mach-omap2/sleep44xx.S | 64 ++++++++++++++++++++++++++++
3 files changed, 77 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/omap4-mpuss-lowpower.c b/arch/arm/mach-omap2/omap4-mpuss-lowpower.c
index a30f19b..bff768f 100644
--- a/arch/arm/mach-omap2/omap4-mpuss-lowpower.c
+++ b/arch/arm/mach-omap2/omap4-mpuss-lowpower.c
@@ -49,6 +49,7 @@
#include <asm/system.h>
#include <asm/irq.h>
#include <asm/hardware/gic.h>
+#include <asm/hardware/cache-l2x0.h>
#include <plat/omap44xx.h>
#include <mach/omap4-common.h>
@@ -341,6 +342,7 @@ int __init omap4_mpuss_init(void)
{
struct omap4_cpu_pm_info *pm_info;
u8 i;
+ u32 val;
This will cause an 'unused variable' compiler warning when
!CONFIG_CACHE_L2X0
[...]
Kevin