linux-kernel - [PATCH] USB: EHCI: ehci-mv: make the PHY optional

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Message-Id: <20191220070210.239960-1-lkundrak@v3.sk>
Date:   Fri, 20 Dec 2019 08:02:10 +0100
From:   Lubomir Rintel <lkundrak@...sk>
To:     Alan Stern <stern@...land.harvard.edu>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lubomir Rintel <lkundrak@...sk>
Subject: [PATCH] USB: EHCI: ehci-mv: make the PHY optional

We may be using a NOP transceiver and those are treated specially by the
USB core and return -ENODEV with devm_phy_get().

Signed-off-by: Lubomir Rintel <lkundrak@...sk>
---
 drivers/usb/host/ehci-mv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
index 21eb32baf9380..c8717f06cd8cb 100644
--- a/drivers/usb/host/ehci-mv.c
+++ b/drivers/usb/host/ehci-mv.c
@@ -127,7 +127,7 @@ static int mv_ehci_probe(struct platform_device *pdev)
 		ehci_mv->set_vbus = pdata->set_vbus;
 	}
 
-	ehci_mv->phy = devm_phy_get(&pdev->dev, "usb");
+	ehci_mv->phy = devm_phy_optional_get(&pdev->dev, "usb");
 	if (IS_ERR(ehci_mv->phy)) {
 		retval = PTR_ERR(ehci_mv->phy);
 		if (retval != -EPROBE_DEFER)
-- 
2.24.1