From 1503fe67d11616dccafd3068ad4d3c771df03c4c Mon Sep 17 00:00:00 2001 From: Jan Luebbe Date: Mon, 14 May 2012 10:39:29 +0200 Subject: ohci-hcd: use dma_flush/inv_range to allow using the driver with enabled MMU Signed-off-by: Jan Luebbe Signed-off-by: Sascha Hauer --- drivers/usb/host/ohci-hcd.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index f103101464..05e4094386 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -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)); -- cgit v1.2.3