OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

USB: musb: add Blackfin version low level register accessing helper functions 

add Blackfin version low level register accessing helper functions

Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Bryan Wu 2008-12-02 21:33:46 +02:00 committed by Greg Kroah-Hartman
parent d426e60dbf
commit 2c557a4a98
1 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/usb/musb/musb_io.h
View File

@ -56,6 +56,8 @@ static inline void writesb(const void __iomem *addr, const void *buf, int len)
#endif
#ifndef CONFIG_BLACKFIN
/* NOTE: these offsets are all in bytes */
static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
@ -114,4 +116,26 @@ static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
#endif /* CONFIG_USB_TUSB6010 */
#else
static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
{ return (u8) (bfin_read16(addr + offset)); }
static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
{ return bfin_read16(addr + offset); }
static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
{ return (u32) (bfin_read16(addr + offset)); }
static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
{ bfin_write16(addr + offset, (u16) data); }
static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
{ bfin_write16(addr + offset, data); }
static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
{ bfin_write16(addr + offset, (u16) data); }
#endif /* CONFIG_BLACKFIN */
#endif