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usb: musb: hsdma: use musb_read/writel

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

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Felipe Balbi 2010-03-12 10:29:13 +02:00 committed by Greg Kroah-Hartman
parent ca4b2532fb
commit ddb495d4d8
1 changed files with 3 additions and 13 deletions
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16
drivers/usb/musb/musbhsdma.h
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@ -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) 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)); 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, static inline void musb_write_hsdma_count(void __iomem *mbase,
u8 bchannel, u32 len) u8 bchannel, u32 len)
{ {
musb_writew(mbase, musb_writel(mbase,
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW),
((u16)((u32) len & 0xFFFF)));
musb_writew(mbase,
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH), MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH),
((u16)(((u32) len >> 16) & 0xFFFF))); len);
} }
#endif /* CONFIG_BLACKFIN */ #endif /* CONFIG_BLACKFIN */