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usb gadget: fix omap_udc DMA regression

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This resolves another regression caused by the "use omap_read/write
instead of __REG" patch:  the hardware address used for DMA to/from
the UDC became wrong.  Bug noted by Russell King.

Reported-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Brownell 2008-08-31 18:04:27 -07:00 committed by Greg Kroah-Hartman
parent 697e04db56
commit c3e3208e4b
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/gadget/omap_udc.c
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@ -787,7 +787,7 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel)
omap_set_dma_dest_params(ep->lch,
OMAP_DMA_PORT_TIPB,
OMAP_DMA_AMODE_CONSTANT,
(unsigned long) io_v2p(UDC_DATA_DMA),
UDC_DATA_DMA,
0, 0);
}
} else {
@ -804,7 +804,7 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel)
omap_set_dma_src_params(ep->lch,
OMAP_DMA_PORT_TIPB,
OMAP_DMA_AMODE_CONSTANT,
(unsigned long) io_v2p(UDC_DATA_DMA),
UDC_DATA_DMA,
0, 0);
/* EMIFF or SDRC */
omap_set_dma_dest_burst_mode(ep->lch,