Re: [PATCH v3 1/1] PCI: layerscape-ep: set 64-bit DMA mask
From: Manivannan Sadhasivam <mani@kernel.org>
Date: 2023-09-27 12:46:33
Also in:
imx, linux-arm-kernel, linux-pci, lkml
On Tue, Sep 26, 2023 at 10:04:45AM -0400, Frank Li wrote:
From: Guanhua Gao <redacted> Set DMA mask and coherent DMA mask to enable 64-bit addressing. Signed-off-by: Guanhua Gao <redacted> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Manivannan Sadhasivam <redacted> - Mani
quoted hunk ↗ jump to hunk
--- Notes: change from v2 to v3 - remove check return value of dma_set_mask_and_coherent. 64bit mask always return success. - remove redundate comments change from v1 to v2 - Remove 32bit DMA mask set. drivers/pci/controller/dwc/pci-layerscape-ep.c | 2 ++ 1 file changed, 2 insertions(+)diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c index de4c1758a6c3..2c2c9aaa8700 100644 --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c@@ -249,6 +249,8 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev) pcie->big_endian = of_property_read_bool(dev->of_node, "big-endian"); + dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); + platform_set_drvdata(pdev, pcie); ret = dw_pcie_ep_init(&pci->ep);-- 2.34.1
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