Commit 42a58c99 authored Mar 13, 2017 by Yoshihiro Shimoda Committed by Greg Kroah-Hartman Mar 17, 2017

usb: host: ehci-platform: set hcd->phy to avoid phy_get() in usb_add_hcd()



This patch sets hcd->phy from own phy context to avoid phy_get()
in usb_add_hcd(). Since core/hcd.c manages the phy only in
usb_add_hcd() and usb_remove_hcd(), there is difficult to manage
the phy in suspend/resume.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 4fc056ed

drivers/usb/host/ehci-platform.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -221,6 +221,9 @@ static int ehci_platform_probe(struct platform_device *dev)
		if (IS_ERR(priv->phys[phy_num])) {
		err = PTR_ERR(priv->phys[phy_num]);
		goto err_put_hcd;
		} else if (!hcd->phy) {
		/* Avoiding phy_get() in usb_add_hcd() */
		hcd->phy = priv->phys[phy_num];
		}
		}