From 0ce928e1b2ad4309fae6c4324b9e9e433fbf62a2 Mon Sep 17 00:00:00 2001 From: Vitaly Bordug Date: Sun, 15 Jan 2006 17:30:29 +0300 Subject: [PATCH] ppc32 8xx: Added setbitsXX/clrbitsXX macro for read-modify-write operations This adds setbitsXX/clrbitsXX macro for read-modify-write operations and converts the 8xx core and drivers to use them. Signed-off-by: Vitaly Bordug Signed-off-by: Marcelo Tosatti Signed-off-by: Paul Mackerras --- include/asm-ppc/io.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/asm-ppc') diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h index df9cf6ed189d..b919d8fb7d98 100644 --- a/include/asm-ppc/io.h +++ b/include/asm-ppc/io.h @@ -575,4 +575,11 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *); */ #define xlate_dev_kmem_ptr(p) p +/* access ports */ +#define setbits32(_addr, _v) out_be32((_addr), in_be32(_addr) | (_v)) +#define clrbits32(_addr, _v) out_be32((_addr), in_be32(_addr) & ~(_v)) + +#define setbits16(_addr, _v) out_be16((_addr), in_be16(_addr) | (_v)) +#define clrbits16(_addr, _v) out_be16((_addr), in_be16(_addr) & ~(_v)) + #endif /* __KERNEL__ */ -- cgit v1.2.3-59-g8ed1b