From mboxrd@z Thu Jan 1 00:00:00 1970 From: andrew.smirnov@gmail.com (Andrey Smirnov) Date: Sat, 17 Nov 2018 10:12:24 -0800 Subject: [PATCH 2/3] PCI: imx: No-op imx6_pcie_reset_phy() on i.MX7D In-Reply-To: <20181117181225.10737-1-andrew.smirnov@gmail.com> References: <20181117181225.10737-1-andrew.smirnov@gmail.com> Message-ID: <20181117181225.10737-3-andrew.smirnov@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org PCIE PHY IP block on i.MX7D differs from the one used on i.MX6 family, so none of the code in current implementation of imx6_pcie_reset_phy() is applicable. Cc: bhelgaas at google.com Cc: Fabio Estevam Cc: cphealy at gmail.com Cc: l.stach at pengutronix.de Cc: Leonard Crestez Cc: "A.s. Dong" Cc: Richard Zhu Cc: linux-imx at nxp.com Cc: linux-arm-kernel at lists.infradead.org Cc: linux-kernel at vger.kernel.org Cc: linux-pci at vger.kernel.org Signed-off-by: Andrey Smirnov --- drivers/pci/controller/dwc/pci-imx6.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index c140f7987598..3c3002861d25 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -245,6 +245,9 @@ static void imx6_pcie_reset_phy(struct imx6_pcie *imx6_pcie) { u32 tmp; + if (imx6_pcie->variant == IMX7D) + return; + pcie_phy_read(imx6_pcie, PHY_RX_OVRD_IN_LO, &tmp); tmp |= (PHY_RX_OVRD_IN_LO_RX_DATA_EN | PHY_RX_OVRD_IN_LO_RX_PLL_EN); -- 2.19.1