From: Alan <alan@linux.intel.com>
Date: Mon, 28 Apr 2014 19:47:36 +0000 (+0100)
Subject: goldfish: Add a 64bit write helper
X-Git-Tag: next-20140506~16^2~82
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=425f3740cf8e93fac6318ed862bcc3081b818f0b;p=karo-tx-linux.git

goldfish: Add a 64bit write helper

The base code imported from the Google tree is ifdef heaven. Prepare to fix
this by adding a helper function.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/include/linux/goldfish.h b/include/linux/goldfish.h
new file mode 100644
index 000000000000..9cc28902b54c
--- /dev/null
+++ b/include/linux/goldfish.h
@@ -0,0 +1,15 @@
+#ifndef __LINUX_GOLDFISH_H
+#define __LINUX_GOLDFISH_H
+
+/* Helpers for Goldfish virtual platform */
+
+static inline void gf_write64(unsigned long data,
+		void __iomem *portl, void __iomem *porth)
+{
+	writel((u32)data, portl);
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
+	writel(data>>32, porth);
+#endif
+}
+
+#endif /* __LINUX_GOLDFISH_H */