linux-kernel - [PATCH] PCI: dra7xx: Invoke phy_set_mode API to set PHY mode to PHY_MODE

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Message-ID: <20190124104537.22271-1-kishon@ti.com>
Date:   Thu, 24 Jan 2019 16:15:37 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
CC:     Bjorn Helgaas <bhelgaas@...gle.com>, <linux-omap@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] PCI: dra7xx: Invoke phy_set_mode API to set PHY mode to PHY_MODE_PCIE

Certain PHYs used with PCIe controller can also be used with other
controllers such as USB or SATA. In order to configure the PHY
to work with PCIe controller, invoke phy_set_mode API with mode
set to PHY_MODE_PCIE.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/pci/controller/dwc/pci-dra7xx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c
index efb26096ccb5..b287dbf6914c 100644
--- a/drivers/pci/controller/dwc/pci-dra7xx.c
+++ b/drivers/pci/controller/dwc/pci-dra7xx.c
@@ -517,6 +517,10 @@ static int dra7xx_pcie_enable_phy(struct dra7xx_pcie *dra7xx)
 	int i;
 
 	for (i = 0; i < phy_count; i++) {
+		ret = phy_set_mode(dra7xx->phy[i], PHY_MODE_PCIE);
+		if (ret < 0)
+			goto err_phy;
+
 		ret = phy_init(dra7xx->phy[i]);
 		if (ret < 0)
 			goto err_phy;
-- 
2.17.1