[PATCH] ppc64: Big-endian I/O memory accessors. (76637536) · Commits · 戴 / test

arch/ppc64/kernel/iomap.c

+20 −0

Original line number	Diff line number	Diff line
		@@ -22,13 +22,23 @@ unsigned int fastcall ioread16(void __iomem *addr)
		{
		return readw(addr);
		}
		unsigned int fastcall ioread16be(void __iomem *addr)
		{
		return in_be16(addr);
		}
		unsigned int fastcall ioread32(void __iomem *addr)
		{
		return readl(addr);
		}
		unsigned int fastcall ioread32be(void __iomem *addr)
		{
		return in_be32(addr);
		}
		EXPORT_SYMBOL(ioread8);
		EXPORT_SYMBOL(ioread16);
		EXPORT_SYMBOL(ioread16be);
		EXPORT_SYMBOL(ioread32);
		EXPORT_SYMBOL(ioread32be);

		void fastcall iowrite8(u8 val, void __iomem *addr)
		{
		@@ -38,13 +48,23 @@ void fastcall iowrite16(u16 val, void __iomem *addr)
		{
		writew(val, addr);
		}
		void fastcall iowrite16be(u16 val, void __iomem *addr)
		{
		out_be16(addr, val);
		}
		void fastcall iowrite32(u32 val, void __iomem *addr)
		{
		writel(val, addr);
		}
		void fastcall iowrite32be(u32 val, void __iomem *addr)
		{
		out_be32(addr, val);
		}
		EXPORT_SYMBOL(iowrite8);
		EXPORT_SYMBOL(iowrite16);
		EXPORT_SYMBOL(iowrite16be);
		EXPORT_SYMBOL(iowrite32);
		EXPORT_SYMBOL(iowrite32be);

		/*
		* These are the "repeat read/write" functions. Note the