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usb: musb: hsdma: change back to use musb_read/writew

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Blackfin platform doesn't support 32bits musbdma registers, so change back to
use musb_read/writew instead of musb_read/writel and simply some format casts.

Signed-off-by: Bob Liu <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
This commit is contained in:
Bob Liu 2011-01-05 17:36:41 +08:00 • committed by Felipe Balbi
commit 9c668079c8
1 changed files with 14 additions and 5 deletions
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19
drivers/usb/musb/musbhsdma.h
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@ -94,24 +94,33 @@ static inline void musb_write_hsdma_addr(void __iomem *mbase,
{
musb_writew(mbase,
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDR_LOW),
((u16)((u32) dma_addr & 0xFFFF)));
dma_addr);
musb_writew(mbase,
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDR_HIGH),
((u16)(((u32) dma_addr >> 16) & 0xFFFF)));
(dma_addr >> 16));
}
static inline u32 musb_read_hsdma_count(void __iomem *mbase, u8 bchannel)
{
return musb_readl(mbase,
u32 count = musb_readw(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_writel(mbase,
musb_writew(mbase,
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW),len);
musb_writew(mbase,
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH),
len);
(len >> 16));
}
#endif /* CONFIG_BLACKFIN */