Commit 2c557a4a authored by Bryan Wu's avatar Bryan Wu Committed by Greg Kroah-Hartman
Browse files

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



add Blackfin version low level register accessing helper functions

Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent d426e60d

drivers/usb/musb/musb_io.h

+24 −0
Original line number Diff line number Diff line
@@ -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