In exynos_pcie_host_init() [1], we call: phy_reset(ep->phy); phy_power_on(ep->phy); phy_init(ep->phy); The phy_init() function comment [2] says it must be called before phy_power_on(). Is exynos doing this backwards? Bjorn [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/pci/controller/dwc/pci-exynos.c?id=v5.19-rc1#n252 [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/phy/phy-core.c?id=v5.19-rc1#n233