Commit 0afddf1e authored by Paul Cercueil's avatar Paul Cercueil Committed by Greg Kroah-Hartman
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usb: musb: Support setting OTG mode using generic PHY 



When musb->xceiv is not provided but musb->phy is, support setting the
OTG mode (host, peripheral) using the generic PHY framework.

Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20221026182657.146630-5-paul@crapouillou.net


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a6d45ea0

drivers/usb/musb/musb_gadget.c

+4 −0
Original line number Diff line number Diff line
@@ -1854,6 +1854,8 @@ static int musb_gadget_start(struct usb_gadget *g, 


	if (musb->xceiv)

		otg_set_peripheral(musb->xceiv->otg, &musb->g);

	else

		phy_set_mode(musb->phy, PHY_MODE_USB_DEVICE);



	musb_set_state(musb, OTG_STATE_B_IDLE);

	spin_unlock_irqrestore(&musb->lock, flags);
@@ -1905,6 +1907,8 @@ static int musb_gadget_stop(struct usb_gadget *g) 


	if (musb->xceiv)

		otg_set_peripheral(musb->xceiv->otg, NULL);

	else

		phy_set_mode(musb->phy, PHY_MODE_INVALID);



	musb->is_active = 0;

	musb->gadget_driver = NULL;

drivers/usb/musb/musb_host.c

+2 −0
Original line number Diff line number Diff line
@@ -2726,6 +2726,8 @@ int musb_host_setup(struct musb *musb, int power_budget) 
	if (musb->xceiv) {

		otg_set_host(musb->xceiv->otg, &hcd->self);

		musb->xceiv->otg->host = &hcd->self;

	} else {

		phy_set_mode(musb->phy, PHY_MODE_USB_HOST);

	}



	/* don't support otg protocols */