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authorAlan <alan@linux.intel.com>2014-04-28 23:47:36 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-04 03:47:18 +0400
commit425f3740cf8e93fac6318ed862bcc3081b818f0b (patch)
tree5ae3ccae92e1ade1bf6725cbce4d1cb4b3031757 /include/linux/goldfish.h
parent7f09d4a00cc85ca43b2a7f491f9b3f8498413f1b (diff)
downloadlinux-425f3740cf8e93fac6318ed862bcc3081b818f0b.tar.xz
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>
Diffstat (limited to 'include/linux/goldfish.h')
-rw-r--r--include/linux/goldfish.h15
1 files changed, 15 insertions, 0 deletions
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 */