[PATCH 1/3] asm-generic: add IO memory accessors
Franck Jullien
franck.jullien at gmail.com
Tue May 13 11:38:24 PDT 2014
Signed-off-by: Franck Jullien <franck.jullien at gmail.com>
---
include/asm-generic/io.h | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 3f0f5a2..8d83d68 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -219,4 +219,16 @@ static inline void writesb(const void __iomem *addr, const void *buf, int len)
outsb(addr - PCI_IOBASE, buf, len);
}
+#define ioread8(addr) readb(addr)
+#define ioread16(addr) readw(addr)
+#define ioread16be(addr) __be16_to_cpu(__raw_readw(addr))
+#define ioread32(addr) readl(addr)
+#define ioread32be(addr) __be32_to_cpu(__raw_readl(addr))
+
+#define iowrite8(v, addr) writeb((v), (addr))
+#define iowrite16(v, addr) writew((v), (addr))
+#define iowrite16be(v, addr) __raw_writew(__cpu_to_be16(v), addr)
+#define iowrite32(v, addr) writel((v), (addr))
+#define iowrite32be(v, addr) __raw_writel(__cpu_to_be32(v), addr)
+
#endif /* __ASM_GENERIC_IO_H */
--
1.7.1
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