diff options
| -rw-r--r-- | drivers/usb/musb/blackfin.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index ad26e656966..bcee1339d4f 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -30,7 +30,6 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src) void __iomem *fifo = hw_ep->fifo; void __iomem *epio = hw_ep->regs; u8 epnum = hw_ep->epnum; - u16 dma_reg = 0; prefetch((u8 *)src); @@ -42,15 +41,17 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src) dump_fifo_data(src, len); if (!ANOMALY_05000380 && epnum != 0) { - flush_dcache_range((unsigned int)src, - (unsigned int)(src + len)); + u16 dma_reg; + + flush_dcache_range((unsigned long)src, + (unsigned long)(src + len)); /* Setup DMA address register */ - dma_reg = (u16) ((u32) src & 0xFFFF); + dma_reg = (u32)src; bfin_write16(USB_DMA_REG(epnum, USB_DMAx_ADDR_LOW), dma_reg); SSYNC(); - dma_reg = (u16) (((u32) src >> 16) & 0xFFFF); + dma_reg = (u32)src >> 16; bfin_write16(USB_DMA_REG(epnum, USB_DMAx_ADDR_HIGH), dma_reg); SSYNC(); @@ -79,12 +80,9 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src) SSYNC(); if (unlikely((unsigned long)src & 0x01)) - outsw_8((unsigned long)fifo, src, - len & 0x01 ? (len >> 1) + 1 : len >> 1); + outsw_8((unsigned long)fifo, src, (len + 1) >> 1); else - outsw((unsigned long)fifo, src, - len & 0x01 ? (len >> 1) + 1 : len >> 1); - + outsw((unsigned long)fifo, src, (len + 1) >> 1); } } /* @@ -94,19 +92,19 @@ void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst) { void __iomem *fifo = hw_ep->fifo; u8 epnum = hw_ep->epnum; - u16 dma_reg = 0; if (ANOMALY_05000467 && epnum != 0) { + u16 dma_reg; - invalidate_dcache_range((unsigned int)dst, - (unsigned int)(dst + len)); + invalidate_dcache_range((unsigned long)dst, + (unsigned long)(dst + len)); /* Setup DMA address register */ - dma_reg = (u16) ((u32) dst & 0xFFFF); + dma_reg = (u32)dst; bfin_write16(USB_DMA_REG(epnum, USB_DMAx_ADDR_LOW), dma_reg); SSYNC(); - dma_reg = (u16) (((u32) dst >> 16) & 0xFFFF); + dma_reg = (u32)dst >> 16; bfin_write16(USB_DMA_REG(epnum, USB_DMAx_ADDR_HIGH), dma_reg); SSYNC(); |