Commit ddb495d4 authored by Felipe Balbi's avatar Felipe Balbi Committed by Greg Kroah-Hartman
Browse files

usb: musb: hsdma: use musb_read/writel 



... and simplify the was we read/write from/to
DMA COUNT register.

Signed-off-by: default avatarFelipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent ca4b2532

drivers/usb/musb/musbhsdma.h

+3 −13
Original line number Diff line number Diff line
@@ -102,26 +102,16 @@ static inline void musb_write_hsdma_addr(void __iomem *mbase, 


static inline u32 musb_read_hsdma_count(void __iomem *mbase, u8 bchannel)

{

	u32 count = musb_readw(mbase,

	return musb_readl(mbase,

		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH));



	count = count << 16;



	count |= musb_readw(mbase,

		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW));



	return count;

}



static inline void musb_write_hsdma_count(void __iomem *mbase,

				u8 bchannel, u32 len)

{

	musb_writew(mbase,

		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW),

		((u16)((u32) len & 0xFFFF)));

	musb_writew(mbase,

	musb_writel(mbase,

		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH),

		((u16)(((u32) len >> 16) & 0xFFFF)));

		len);

}



#endif /* CONFIG_BLACKFIN */