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Commit 9c668079 authored by Bob Liu's avatar Bob Liu Committed by Felipe Balbi
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usb: musb: hsdma: change back to use musb_read/writew



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: default avatarBob Liu <lliubbo@gmail.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 541079de
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+14 −5
Original line number Diff line number Diff line
@@ -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 */