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[24.22.235.96]) by smtp.gmail.com with ESMTPSA id v15sm33035894pfn.94.2018.12.05.23.35.55 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 05 Dec 2018 23:35:56 -0800 (PST) From: Andrey Smirnov To: linux-pci@vger.kernel.org Cc: Andrey Smirnov , bhelgaas@google.com, Fabio Estevam , cphealy@gmail.com, l.stach@pengutronix.de, Leonard Crestez , "A.s. Dong" , Richard Zhu , linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] PCI: imx: No-op imx6_pcie_reset_phy() on i.MX7D Date: Wed, 5 Dec 2018 23:35:44 -0800 Message-Id: <20181206073545.10967-3-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181206073545.10967-1-andrew.smirnov@gmail.com> References: <20181206073545.10967-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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@google.com Cc: Fabio Estevam Cc: cphealy@gmail.com Cc: l.stach@pengutronix.de Cc: Leonard Crestez Cc: "A.s. Dong" Cc: Richard Zhu Cc: linux-imx@nxp.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-pci@vger.kernel.org Tested-by: Trent Piepho 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