powerpc/64: Clean up ppc64_caches using a struct per cache

We have two set of identical struct members for the I and D sides
and mostly identical bunches of code to parse the device-tree to
populate them. Instead make a ppc_cache_info structure with one
copy for I and one for D

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

2 files changed, 14 insertions, 14 deletions

diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index 1fa364340146..823750fa6e66 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -30,19 +30,19 @@
 #define IFETCH_ALIGN_BYTES	(1 << IFETCH_ALIGN_SHIFT)
 
 #if defined(__powerpc64__) && !defined(__ASSEMBLY__)
+
+struct ppc_cache_info {
+	u32 size;
+	u32 line_size;
+	u32 block_size;	/* L1 only */
+	u32 log_block_size;
+	u32 blocks_per_page;
+	u32 sets;
+};
+
 struct ppc64_caches {
-	u32	dsize;			/* L1 d-cache size */
-	u32	dline_size;		/* L1 d-cache line size	*/
-	u32	dblock_size;		/* L1 d-cache block size */
-	u32	log_dblock_size;
-	u32	dblocks_per_page;
-	u32	dsets;
-	u32	isize;			/* L1 i-cache size */
-	u32	iline_size;		/* L1 d-cache line size	*/
-	u32	iblock_size;		/* L1 i-cache block size */
-	u32	log_iblock_size;
-	u32	iblocks_per_page;
-	u32	isets;
+	struct ppc_cache_info l1d;
+	struct ppc_cache_info l1i;
 };
 
 extern struct ppc64_caches ppc64_caches;
diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h
index c50a666308dd..3e83d2a20b6f 100644
--- a/arch/powerpc/include/asm/page_64.h
+++ b/arch/powerpc/include/asm/page_64.h
@@ -47,14 +47,14 @@ static inline void clear_page(void *addr)
 	unsigned long iterations;
 	unsigned long onex, twox, fourx, eightx;
 
-	iterations = ppc64_caches.dblocks_per_page / 8;
+	iterations = ppc64_caches.l1d.blocks_per_page / 8;
 
 	/*
 	 * Some verisions of gcc use multiply instructions to
 	 * calculate the offsets so lets give it a hand to
 	 * do better.
 	 */
-	onex = ppc64_caches.dblock_size;
+	onex = ppc64_caches.l1d.block_size;
 	twox = onex << 1;
 	fourx = onex << 2;
 	eightx = onex << 3;