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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-03-06 13:20:31 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-03-06 13:20:31 +0200
commit0ba86d7edea1f9f2d9497c31200910263e8b4128 (patch)
tree387f713e1afdd181e92699dcaa5fa3d45b30c75b /include/asm-generic/io-64-nonatomic-hi-lo.h
parent973b659cbf2604b0b52829c224f6064d64118818 (diff)
parent192cfd58774b4d17b2fe8bdc77d89c2ef4e0591d (diff)
downloadop-kernel-dev-0ba86d7edea1f9f2d9497c31200910263e8b4128.zip
op-kernel-dev-0ba86d7edea1f9f2d9497c31200910263e8b4128.tar.gz
Merge commit 'v3.3-rc6'
Merge v3.3-rc6 to get the latest DSS and OMAP arch fixes. Conflicts: arch/arm/mach-omap1/board-innovator.c drivers/video/omap2/dss/apply.c
Diffstat (limited to 'include/asm-generic/io-64-nonatomic-hi-lo.h')
-rw-r--r--include/asm-generic/io-64-nonatomic-hi-lo.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/asm-generic/io-64-nonatomic-hi-lo.h b/include/asm-generic/io-64-nonatomic-hi-lo.h
new file mode 100644
index 0000000..a6806a9
--- /dev/null
+++ b/include/asm-generic/io-64-nonatomic-hi-lo.h
@@ -0,0 +1,28 @@
+#ifndef _ASM_IO_64_NONATOMIC_HI_LO_H_
+#define _ASM_IO_64_NONATOMIC_HI_LO_H_
+
+#include <linux/io.h>
+#include <asm-generic/int-ll64.h>
+
+#ifndef readq
+static inline __u64 readq(const volatile void __iomem *addr)
+{
+ const volatile u32 __iomem *p = addr;
+ u32 low, high;
+
+ high = readl(p + 1);
+ low = readl(p);
+
+ return low + ((u64)high << 32);
+}
+#endif
+
+#ifndef writeq
+static inline void writeq(__u64 val, volatile void __iomem *addr)
+{
+ writel(val >> 32, addr + 4);
+ writel(val, addr);
+}
+#endif
+
+#endif /* _ASM_IO_64_NONATOMIC_HI_LO_H_ */
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