[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20181117181225.10737-3-andrew.smirnov@gmail.com>
Date: Sat, 17 Nov 2018 10:12:24 -0800
From: Andrey Smirnov <andrew.smirnov@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Andrey Smirnov <andrew.smirnov@...il.com>, bhelgaas@...gle.com,
Fabio Estevam <fabio.estevam@....com>, cphealy@...il.com,
l.stach@...gutronix.de, Leonard Crestez <leonard.crestez@....com>,
"A.s. Dong" <aisheng.dong@....com>,
Richard Zhu <hongxing.zhu@....com>, linux-imx@....com,
linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org
Subject: [PATCH 2/3] PCI: imx: No-op imx6_pcie_reset_phy() on i.MX7D
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@...gle.com
Cc: Fabio Estevam <fabio.estevam@....com>
Cc: cphealy@...il.com
Cc: l.stach@...gutronix.de
Cc: Leonard Crestez <leonard.crestez@....com>
Cc: "A.s. Dong" <aisheng.dong@....com>
Cc: Richard Zhu <hongxing.zhu@....com>
Cc: linux-imx@....com
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-pci@...r.kernel.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
---
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
Powered by blists - more mailing lists