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-rw-r--r--arch/hexagon/include/asm/cache.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/cache.h b/arch/hexagon/include/asm/cache.h
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+++ b/arch/hexagon/include/asm/cache.h
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+/*
+ * Cache definitions for the Hexagon architecture
+ *
+ * Copyright (c) 2010-2011,2014 The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef __ASM_CACHE_H
+#define __ASM_CACHE_H
+
+/* Bytes per L1 cache line */
+#define L1_CACHE_SHIFT (5)
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+
+#define __cacheline_aligned __aligned(L1_CACHE_BYTES)
+#define ____cacheline_aligned __aligned(L1_CACHE_BYTES)
+
+/* See http://lwn.net/Articles/262554/ */
+#define __read_mostly
+
+#endif