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Message-Id: <1415066368-3829-1-git-send-email-fkan@apm.com> Date: Mon, 3 Nov 2014 17:59:28 -0800 From: Feng Kan <fkan@....com> To: patches@....com, linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, mathias.nyman@...el.com Cc: Feng Kan <fkan@....com>, Bao Truong <btruong@....com> Subject: [PATCH] usb:host:xhci-plat: 64-bit dma addressing support Use dma_addr_t to support 64-bit plaforms, which access beyond 32 bit address range. Signed-off-by: Bao Truong <btruong@....com> Signed-off-by: Feng Kan <fkan@....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)); if (ret) return ret; if (!pdev->dev.dma_mask) pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; else - dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + dma_set_mask(&pdev->dev, DMA_BIT_MASK(sizeof(dma_addr_t)*8)); hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); if (!hcd) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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