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ohci-hcd: use dma_flush/inv_range to allow using the driver with enabled MMU 

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jan Luebbe 2012-05-14 10:39:29 +02:00 committed by Sascha Hauer
parent 33daa4f694
commit 1503fe67d1
1 changed files with 4 additions and 0 deletions
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4
drivers/usb/host/ohci-hcd.c
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@ -859,6 +859,8 @@ static void td_fill(struct ohci *ohci, unsigned int info,
td->hwNextTD = virt_to_phys((void *)m32_swap((unsigned long)td_pt));
dma_flush_range((unsigned long)data, (unsigned long)(data + len));
/* append to queue */
td->ed->hwTailP = td->hwNextTD;
}
@ -1555,6 +1557,8 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
dev->status = stat;
dev->act_len = urb->actual_length;
dma_inv_range((unsigned long)buffer, (unsigned long)(buffer + transfer_len));
pkt_print(urb, dev, pipe, buffer, transfer_len,
setup, "RET(ctlr)", usb_pipein(pipe));