[PATCH v6 4/5] PCI: qcom: Setup PHY to work in RC mode

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Tue Sep 27 02:22:05 PDT 2022


Call phy_set_mode_ext() to notify the PHY driver that the PHY is being
used in the RC mode.

Reviewed-by: Jingoo Han <jingoohan1 at gmail.com>
Reviewed-by: Johan Hovold <johan+linaro at kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/pci/controller/dwc/pcie-qcom.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 66886dc6e777..1027281bd6ff 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -22,6 +22,7 @@
 #include <linux/pci.h>
 #include <linux/pm_runtime.h>
 #include <linux/platform_device.h>
+#include <linux/phy/pcie.h>
 #include <linux/phy/phy.h>
 #include <linux/regulator/consumer.h>
 #include <linux/reset.h>
@@ -1494,6 +1495,10 @@ static int qcom_pcie_host_init(struct dw_pcie_rp *pp)
 	if (ret)
 		return ret;
 
+	ret = phy_set_mode_ext(pcie->phy, PHY_MODE_PCIE, PHY_MODE_PCIE_RC);
+	if (ret)
+		goto err_deinit;
+
 	ret = phy_power_on(pcie->phy);
 	if (ret)
 		goto err_deinit;
-- 
2.35.1




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