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authorFrank Li <Frank.Li@nxp.com>2024-11-19 14:44:24 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-02-08 09:57:55 +0100
commit7fb8d5a340264056ffd469e38e20e0f1ed7fca31 (patch)
treeda886af58671b387a97720c629fee9fc001c3854 /drivers
parent9ff46b0bfeb6e0724a4ace015aa7a0b887cdb7c1 (diff)
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PCI: imx6: Configure PHY based on Root Complex or Endpoint mode
[ Upstream commit de22e20589b79f35f92543119c33051f8179dba0 ] Pass PHY_MODE_PCIE_EP if the PCI controller operates in Endpoint (EP) mode, and fix the Root Complex (RC) mode being hardcoded using a drvdata mode check. Fixes: 8026f2d8e8a9 ("PCI: imx6: Call common PHY API to set mode, speed, and submode") Link: https://lore.kernel.org/r/20241119-pci_fixup_addr-v8-6-c4bfa5193288@nxp.com Signed-off-by: Frank Li <Frank.Li@nxp.com> [kwilczynski: commit log] Signed-off-by: Krzysztof WilczyƄski <kwilczynski@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/controller/dwc/pci-imx6.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index c8d5c90aa4d4..9d61e7c47208 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -966,7 +966,9 @@ static int imx_pcie_host_init(struct dw_pcie_rp *pp)
goto err_clk_disable;
}
- ret = phy_set_mode_ext(imx_pcie->phy, PHY_MODE_PCIE, PHY_MODE_PCIE_RC);
+ ret = phy_set_mode_ext(imx_pcie->phy, PHY_MODE_PCIE,
+ imx_pcie->drvdata->mode == DW_PCIE_EP_TYPE ?
+ PHY_MODE_PCIE_EP : PHY_MODE_PCIE_RC);
if (ret) {
dev_err(dev, "unable to set PCIe PHY mode\n");
goto err_phy_exit;