From 0fd1853df05507e21a3ab1bf899de0536f96dce3 Mon Sep 17 00:00:00 2001 From: Frank Wang Date: Tue, 11 Oct 2016 15:27:44 +0800 Subject: [PATCH] usb: ehci-platform: support no relinquishing port quirk Add a quirk to cancel relinquishing port from ehci to abnormal ohci when HS device is not ready connected. To support this function, the no-relinquish-port property must be specified in ehci node of dt. Change-Id: Ief0b24cf9e58dde28f386ea67fe8936e8fd74f2d Signed-off-by: Frank Wang --- drivers/usb/host/ehci-platform.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index bd7082f297bb..5756dc8e8e00 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -202,6 +202,10 @@ static int ehci_platform_probe(struct platform_device *dev) "has-transaction-translator")) hcd->has_tt = 1; + if (of_property_read_bool(dev->dev.of_node, + "no-relinquish-port")) + ehci_platform_hc_driver.relinquish_port = NULL; + priv->num_phys = of_count_phandle_with_args(dev->dev.of_node, "phys", "#phy-cells"); -- 2.34.1