From: Franz Schnyder Date: Wed, 25 Mar 2026 09:31:16 +0000 (+0100) Subject: PCI: imx6: Fix reference clock source selection for i.MX95 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=88cc4cbe08bba27bb58888d25d336774aa0ccab1;p=thirdparty%2Fkernel%2Flinux.git PCI: imx6: Fix reference clock source selection for i.MX95 In the PCIe PHY init for the i.MX95, the reference clock source selection uses a conditional instead of always passing the mask. This currently breaks functionality if the internal refclk is used. To fix this issue, always pass IMX95_PCIE_REF_USE_PAD as the mask and clear bit if external refclk is not used. This essentially swaps the parameters. Fixes: d8574ce57d76 ("PCI: imx6: Add external reference clock input mode support") Signed-off-by: Franz Schnyder Signed-off-by: Manivannan Sadhasivam Signed-off-by: Bjorn Helgaas Acked-by: Richard Zhu Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20260325093118.684142-1-fra.schnyder@gmail.com --- diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index a1da72dd85b0a..3b298f8659ea5 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -270,8 +270,8 @@ static int imx95_pcie_init_phy(struct imx_pcie *imx_pcie) IMX95_PCIE_PHY_CR_PARA_SEL); regmap_update_bits(imx_pcie->iomuxc_gpr, IMX95_PCIE_PHY_GEN_CTRL, - ext ? IMX95_PCIE_REF_USE_PAD : 0, - IMX95_PCIE_REF_USE_PAD); + IMX95_PCIE_REF_USE_PAD, + ext ? IMX95_PCIE_REF_USE_PAD : 0); regmap_update_bits(imx_pcie->iomuxc_gpr, IMX95_PCIE_SS_RW_REG_0, IMX95_PCIE_REF_CLKEN, ext ? 0 : IMX95_PCIE_REF_CLKEN);