Messages in this thread | | | Date | Mon, 3 Nov 2014 18:11:03 -0800 | From | Greg KH <> | Subject | Re: [PATCH] usb:host:xhci-plat: 64-bit dma addressing support |
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On Mon, Nov 03, 2014 at 05:59:28PM -0800, Feng Kan wrote: > Use dma_addr_t to support 64-bit plaforms, which access beyond 32 bit > address range. > > Signed-off-by: Bao Truong <btruong@apm.com> > Signed-off-by: Feng Kan <fkan@apm.com> > --- > drivers/usb/host/xhci-plat.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c > index 01d1862..8cf83f0 100644 > --- a/drivers/usb/host/xhci-plat.c > +++ b/drivers/usb/host/xhci-plat.c > @@ -97,13 +97,14 @@ static int xhci_plat_probe(struct platform_device *pdev) > } > > /* Initialize dma_mask and coherent_dma_mask to 32-bits */ > - ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); > + ret = dma_set_coherent_mask(&pdev->dev, > + DMA_BIT_MASK(sizeof(dma_addr_t)*8));
Is the comment still correct now?
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