Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (108 commits)
  sh: Fix occasional flush_cache_4096() stack corruption.
  sh: Calculate shm alignment at runtime.
  sh: dma-mapping compile fixes.
  sh: Initial vsyscall page support.
  sh: Clean up PAGE_SIZE definition for assembly use.
  sh: Selective flush_cache_mm() flushing.
  sh: More intelligent entry_mask/way_size calculation.
  sh: Support for L2 cache on newer SH-4A CPUs.
  sh: Update kexec support for API changes.
  sh: Optimized readsl()/writesl() support.
  sh: Report movli.l/movco.l capabilities.
  sh: CPU flags in AT_HWCAP in ELF auxvt.
  sh: Add support for 4K stacks.
  sh: Enable /proc/kcore support.
  sh: stack debugging support.
  sh: select CONFIG_EMBEDDED.
  sh: machvec rework.
  sh: Solution Engine SH7343 board support.
  sh: SH7710VoIPGW board support.
  sh: Enable verbose BUG() support.
  ...

1 files changed, 18 insertions, 12 deletions

diff --git a/include/asm-sh/cache.h b/include/asm-sh/cache.h
index 656fdfe9e8b..e3a180cf506 100644
--- a/include/asm-sh/cache.h
+++ b/include/asm-sh/cache.h
@@ -10,7 +10,6 @@
 #ifdef __KERNEL__
 
 #include <asm/cpu/cache.h>
-#include <asm/cpu/cacheflush.h>
 
 #define SH_CACHE_VALID		1
 #define SH_CACHE_UPDATED	2
@@ -23,24 +22,31 @@
 #define L1_CACHE_ALIGN(x)	(((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
 
 struct cache_info {
-	unsigned int ways;
-	unsigned int sets;
-	unsigned int linesz;
+	unsigned int ways;		/* Number of cache ways */
+	unsigned int sets;		/* Number of cache sets */
+	unsigned int linesz;		/* Cache line size (bytes) */
 
-	unsigned int way_incr;
+	unsigned int way_size;		/* sets * line size */
 
+	/*
+	 * way_incr is the address offset for accessing the next way
+	 * in memory mapped cache array ops.
+	 */
+	unsigned int way_incr;
 	unsigned int entry_shift;
 	unsigned int entry_mask;
 
+	/*
+	 * Compute a mask which selects the address bits which overlap between
+	 * 1. those used to select the cache set during indexing
+	 * 2. those in the physical page number.
+	 */
+	unsigned int alias_mask;
+
+	unsigned int n_aliases;		/* Number of aliases */
+
 	unsigned long flags;
 };
 
-/* Flush (write-back only) a region (smaller than a page) */
-extern void __flush_wback_region(void *start, int size);
-/* Flush (write-back & invalidate) a region (smaller than a page) */
-extern void __flush_purge_region(void *start, int size);
-/* Flush (invalidate only) a region (smaller than a page) */
-extern void __flush_invalidate_region(void *start, int size);
-
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_CACHE_H */