Add GPL-2.0+ SPDX-License-Identifier to source files

[karo-tx-uboot.git] / arch / sparc / include / asm / cache.h

diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h
index 03e8d94bb241262381ba97d565e1af0cf5d3599b..8ee0976659cce7924057d76f9d3133478d2caf58 100644 (file)
--- a/arch/sparc/include/asm/cache.h
+++ b/arch/sparc/include/asm/cache.h
@@ -2,24 +2,7 @@
  * (C) Copyright 2008,
  * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #ifndef __SPARC_CACHE_H__
@@ -28,4 +11,14 @@
 #include <linux/config.h>
 #include <asm/processor.h>
 
+/*
+ * If CONFIG_SYS_CACHELINE_SIZE is defined use it for DMA alignment.  Otherwise
+ * use 32-bytes, the cacheline size for Sparc.
+ */
+#ifdef CONFIG_SYS_CACHELINE_SIZE
+#define ARCH_DMA_MINALIGN      CONFIG_SYS_CACHELINE_SIZE
+#else
+#define ARCH_DMA_MINALIGN      32
+#endif
+
 #endif