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USB: musb: tweak musb_read_fifo() to avoid unused warnings

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Otherwise gcc will whine about epnum/dma_reg being unused when building
for BF54x parts.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Acked-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Mike Frysinger 2009-11-16 16:19:19 +05:30 committed by Greg Kroah-Hartman
parent bcef3fd570
commit 04f4086fdc
1 changed files with 5 additions and 4 deletions
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9
drivers/usb/musb/blackfin.c
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@ -53,13 +53,11 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src)
void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
{
void __iomem *fifo = hw_ep->fifo;
#ifdef CONFIG_BF52x
u8 epnum = hw_ep->epnum;
u16 dma_reg = 0;
DBG(4, "%cX ep%d fifo %p count %d buf %p\n",
'R', hw_ep->epnum, fifo, len, dst);
#ifdef CONFIG_BF52x
invalidate_dcache_range((unsigned int)dst,
(unsigned int)(dst + len));
@ -102,6 +100,9 @@ void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
len & 0x01 ? (len >> 1) + 1 : len >> 1);
#endif
DBG(4, "%cX ep%d fifo %p count %d buf %p\n",
'R', hw_ep->epnum, fifo, len, dst);
dump_fifo_data(dst, len);
}