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authorTony Lindgren <tony@atomide.com>2010-12-22 11:32:24 -0800
committerTony Lindgren <tony@atomide.com>2010-12-22 11:32:24 -0800
commit808601b75804475c9022f6375e76b7c62c99a10a (patch)
tree355a3100269e88460e36f251ef0ce2f1ed88d52e /arch/arm/mach-omap2/sram34xx.S
parentc10abbb26513f4ccff89c4d80912cb4d36fcd3e8 (diff)
parentf17f9726c27c3921e00a5750e85070e6dd7e1ff7 (diff)
Merge branch 'integration-2.6.38-for-tony' of git://git.pwsan.com/linux-2.6 into omap-for-linus
Diffstat (limited to 'arch/arm/mach-omap2/sram34xx.S')
-rw-r--r--arch/arm/mach-omap2/sram34xx.S8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/sram34xx.S b/arch/arm/mach-omap2/sram34xx.S
index 3637274af5b..7f893a29d50 100644
--- a/arch/arm/mach-omap2/sram34xx.S
+++ b/arch/arm/mach-omap2/sram34xx.S
@@ -32,7 +32,7 @@
#include <mach/io.h>
#include "sdrc.h"
-#include "cm.h"
+#include "cm2xxx_3xxx.h"
.text
@@ -104,6 +104,12 @@
* touching the SDRAM. Until that time, users who know that their use case
* can satisfy the above requirement can enable the CONFIG_OMAP3_SDRC_AC_TIMING
* option.
+ *
+ * Richard Woodruff notes that any changes to this code must be carefully
+ * audited and tested to ensure that they don't cause a TLB miss while
+ * the SDRAM is inaccessible. Such a situation will crash the system
+ * since it will cause the ARM MMU to attempt to walk the page tables.
+ * These crashes may be intermittent.
*/
ENTRY(omap3_sram_configure_core_dpll)
stmfd sp!, {r1-r12, lr} @ store regs to stack