Re: [PATCH v6 01/10] PCI: imx6: Fix establish link failure in EP mode for iMX8MM and iMX8MP
From: Manivannan Sadhasivam <hidden>
Date: 2024-06-29 12:23:09
Also in:
bpf, imx, linux-devicetree, linux-pci, lkml
On Mon, Jun 17, 2024 at 04:16:37PM -0400, Frank Li wrote:
From: Richard Zhu <hongxing.zhu@nxp.com>
Add IMX6_PCIE_FLAG_HAS_APP_RESET flag to IMX8MM_EP and IMX8MP_EP drvdata.
This flag was overlooked during code restructuring. It is crucial to
release the app-reset from the System Reset Controller before initiating
LTSSM to rectify the issue
Fixes: 0c9651c21f2a ("PCI: imx6: Simplify reset handling by using *_FLAG_HAS_*_RESET")
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>Reviewed-by: Manivannan Sadhasivam <redacted> - Mani
quoted hunk ↗ jump to hunk
--- drivers/pci/controller/dwc/pci-imx6.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 917c69edee1d5..9a71b8aa09b3c 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c@@ -1578,7 +1578,8 @@ static const struct imx6_pcie_drvdata drvdata[] = { }, [IMX8MM_EP] = { .variant = IMX8MM_EP, - .flags = IMX6_PCIE_FLAG_HAS_PHYDRV, + .flags = IMX6_PCIE_FLAG_HAS_APP_RESET | + IMX6_PCIE_FLAG_HAS_PHYDRV, .mode = DW_PCIE_EP_TYPE, .gpr = "fsl,imx8mm-iomuxc-gpr", .clk_names = imx8mm_clks,@@ -1589,7 +1590,8 @@ static const struct imx6_pcie_drvdata drvdata[] = { }, [IMX8MP_EP] = { .variant = IMX8MP_EP, - .flags = IMX6_PCIE_FLAG_HAS_PHYDRV, + .flags = IMX6_PCIE_FLAG_HAS_APP_RESET | + IMX6_PCIE_FLAG_HAS_PHYDRV, .mode = DW_PCIE_EP_TYPE, .gpr = "fsl,imx8mp-iomuxc-gpr", .clk_names = imx8mm_clks,-- 2.34.1
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