From: Frank Li <Frank.Li@nxp.com>
To: "Minghuan Lian" <minghuan.Lian@nxp.com>,
"Mingkai Hu" <mingkai.hu@nxp.com>, "Roy Zang" <roy.zang@nxp.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Rob Herring" <robh@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
linuxppc-dev@lists.ozlabs.org (open list:PCI DRIVER FOR
FREESCALE LAYERSCAPE),
linux-pci@vger.kernel.org (open list:PCI DRIVER FOR FREESCALE
LAYERSCAPE),
linux-arm-kernel@lists.infradead.org (moderated list:PCI DRIVER
FOR FREESCALE LAYERSCAPE),
linux-kernel@vger.kernel.org (open list)
Cc: imx@lists.linux.dev
Subject: [PATCH 1/1] PCI: layerscape-ep: set 64-bit DMA mask
Date: Thu, 21 Sep 2023 11:37:02 -0400 [thread overview]
Message-ID: <20230921153702.3281289-1-Frank.Li@nxp.com> (raw)
From: Guanhua Gao <guanhua.gao@nxp.com>
Set DMA mask and coherent DMA mask to enable 64-bit addressing.
Signed-off-by: Guanhua Gao <guanhua.gao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
drivers/pci/controller/dwc/pci-layerscape-ep.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c
index de4c1758a6c33..6fd0dea38a32c 100644
--- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
+++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
@@ -249,6 +249,11 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev)
pcie->big_endian = of_property_read_bool(dev->of_node, "big-endian");
+ /* set 64-bit DMA mask and coherent DMA mask */
+ if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)))
+ if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)))
+ return -EIO;
+
platform_set_drvdata(pdev, pcie);
ret = dw_pcie_ep_init(&pci->ep);
--
2.34.1
next reply other threads:[~2023-09-21 15:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-21 15:37 Frank Li [this message]
2023-09-21 17:59 ` [PATCH 1/1] PCI: layerscape-ep: set 64-bit DMA mask Christophe JAILLET
2023-09-21 18:35 ` Frank Li
2023-09-21 20:04 ` Christophe JAILLET
2023-09-21 22:05 ` Frank Li
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