mirror-linux/drivers/pci/controller
Yoshihiro Shimoda ba85e83f93 PCI: dwc: Fix PORT_LINK_CONTROL update when CDM check enabled
[ Upstream commit cdce670991 ]

If CDM_CHECK is enabled (by the DT "snps,enable-cdm-check" property), 'val'
is overwritten by PCIE_PL_CHK_REG_CONTROL_STATUS initialization.  Commit
ec7b952f45 ("PCI: dwc: Always enable CDM check if "snps,enable-cdm-check"
exists") did not account for further usage of 'val', so we wrote improper
values to PCIE_PORT_LINK_CONTROL when the CDM check is enabled.

Move the PCIE_PORT_LINK_CONTROL update to be completely after the
PCIE_PL_CHK_REG_CONTROL_STATUS register initialization.

[bhelgaas: commit log adapted from Serge's version]
Fixes: ec7b952f45 ("PCI: dwc: Always enable CDM check if "snps,enable-cdm-check" exists")
Link: https://lore.kernel.org/r/20230310123510.675685-2-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-04-06 12:10:43 +02:00
..
cadence
dwc PCI: dwc: Fix PORT_LINK_CONTROL update when CDM check enabled 2023-04-06 12:10:43 +02:00
mobiveil
Kconfig
Makefile
pci-aardvark.c
pci-ftpci100.c
pci-host-common.c
pci-host-generic.c
pci-hyperv-intf.c
pci-hyperv.c
pci-ixp4xx.c
pci-loongson.c PCI: loongson: Add more devices that need MRRS quirk 2023-03-11 13:55:39 +01:00
pci-mvebu.c
pci-rcar-gen2.c
pci-tegra.c
pci-thunder-ecam.c
pci-thunder-pem.c
pci-v3-semi.c
pci-versatile.c
pci-xgene-msi.c
pci-xgene.c
pcie-altera-msi.c
pcie-altera.c
pcie-apple.c
pcie-brcmstb.c
pcie-hisi-error.c
pcie-iproc-bcma.c
pcie-iproc-msi.c
pcie-iproc-platform.c
pcie-iproc.c
pcie-iproc.h
pcie-mediatek-gen3.c
pcie-mediatek.c
pcie-microchip-host.c
pcie-mt7621.c PCI: mt7621: Delay phy ports initialization 2023-03-10 09:33:35 +01:00
pcie-rcar-ep.c
pcie-rcar-host.c
pcie-rcar.c
pcie-rcar.h
pcie-rockchip-ep.c
pcie-rockchip-host.c
pcie-rockchip.c
pcie-rockchip.h
pcie-xilinx-cpm.c
pcie-xilinx-nwl.c
pcie-xilinx.c
vmd.c PCI: vmd: Fix secondary bus reset for Intel bridges 2022-12-31 13:32:36 +01:00