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 <lliubbo@xxxxxxxxx> --- drivers/usb/musb/musbhsdma.h | 19 ++++++++++++++----- 1 files changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/usb/musb/musbhsdma.h b/drivers/usb/musb/musbhsdma.h index f763d62..21056c9 100644 --- a/drivers/usb/musb/musbhsdma.h +++ b/drivers/usb/musb/musbhsdma.h @@ -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 */ -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html