From: Christian Marangi Date: Mon, 20 Oct 2025 11:11:08 +0000 (+0200) Subject: PCI: mediatek: Use generic MACRO for TPVPERL delay X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=2d58bc777728bfc37aa35dce7b90e72296cceb9f;p=linux%2F.git PCI: mediatek: Use generic MACRO for TPVPERL delay Use the generic PCI MACRO for TPVPERL delay to wait for clock and power stabilization after PERST# Signal instead of the raw value of 100 ms. Signed-off-by: Christian Marangi Signed-off-by: Manivannan Sadhasivam Reviewed-by: AngeloGioacchino Del Regno Link: https://patch.msgid.link/20251020111121.31779-5-ansuelsmth@gmail.com --- diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c index cbffa3156da1..313da61a0b8a 100644 --- a/drivers/pci/controller/pcie-mediatek.c +++ b/drivers/pci/controller/pcie-mediatek.c @@ -697,12 +697,7 @@ static int mtk_pcie_startup_port_v2(struct mtk_pcie_port *port) */ writel(PCIE_LINKDOWN_RST_EN, port->base + PCIE_RST_CTRL); - /* - * Described in PCIe CEM specification sections 2.2 (PERST# Signal) and - * 2.2.1 (Initial Power-Up (G3 to S0)). The deassertion of PERST# should - * be delayed 100ms (TPVPERL) for the power and clock to become stable. - */ - msleep(100); + msleep(PCIE_T_PVPERL_MS); /* De-assert PHY, PE, PIPE, MAC and configuration reset */ val = readl(port->base + PCIE_RST_CTRL);