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Commit 98c0a3ff authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Greg Kroah-Hartman
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usb: host: xhci-plat: add resume_quirk() 



This patch adds resume_quirk() to do platform specific process in
resume timing.

Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 835e4241

drivers/usb/host/xhci-plat.c

+15 −0
Original line number Diff line number Diff line
@@ -55,6 +55,16 @@ static int xhci_priv_init_quirk(struct usb_hcd *hcd) 
	return priv->init_quirk(hcd);

}



static int xhci_priv_resume_quirk(struct usb_hcd *hcd)

{

	struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);



	if (!priv->resume_quirk)

		return 0;



	return priv->resume_quirk(hcd);

}



static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)

{

	/*
@@ -369,10 +379,15 @@ static int xhci_plat_resume(struct device *dev) 
{

	struct usb_hcd	*hcd = dev_get_drvdata(dev);

	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);

	int ret;



	if (!device_may_wakeup(dev) && !IS_ERR(xhci->clk))

		clk_prepare_enable(xhci->clk);



	ret = xhci_priv_resume_quirk(hcd);

	if (ret)

		return ret;



	return xhci_resume(xhci, 0);

}

#endif /* CONFIG_PM_SLEEP */

drivers/usb/host/xhci-plat.h

+1 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ struct xhci_plat_priv { 
	const char *firmware_name;

	void (*plat_start)(struct usb_hcd *);

	int (*init_quirk)(struct usb_hcd *);

	int (*resume_quirk)(struct usb_hcd *);

};



#define hcd_to_xhci_priv(h) ((struct xhci_plat_priv *)hcd_to_xhci(h)->priv)