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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-02-04 14:51:49 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-02-04 14:51:49 +0000
commit2fb20e2e35cd1455d022ab7a553d7f1663ffbdeb (patch)
tree4b3bb0f76c15264fe7d4cced91127f3d96ff31f5 /include/linux/platform_data
parent9cb543124a2d31af42ce61a4c30765ecc8e5f1fa (diff)
parent5b91ab0abc957145c3ff6be03eb9a3901797019f (diff)
Merge branch 'for-rmk/broadcast' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable
Diffstat (limited to 'include/linux/platform_data')
-rw-r--r--include/linux/platform_data/imx-iram.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/linux/platform_data/imx-iram.h b/include/linux/platform_data/imx-iram.h
new file mode 100644
index 000000000000..022690c33702
--- /dev/null
+++ b/include/linux/platform_data/imx-iram.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. 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
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#include <linux/errno.h>
+
+#ifdef CONFIG_IRAM_ALLOC
+
+int __init iram_init(unsigned long base, unsigned long size);
+void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr);
+void iram_free(unsigned long dma_addr, unsigned int size);
+
+#else
+
+static inline int __init iram_init(unsigned long base, unsigned long size)
+{
+ return -ENOMEM;
+}
+
+static inline void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr)
+{
+ return NULL;
+}
+
+static inline void iram_free(unsigned long base, unsigned long size) {}
+
+#endif