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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: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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2 changed files with 16 additions and 0 deletions
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@ -55,6 +55,16 @@ static int xhci_priv_init_quirk(struct usb_hcd *hcd)
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return priv->init_quirk(hcd);
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}
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static int xhci_priv_resume_quirk(struct usb_hcd *hcd)
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{
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struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
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if (!priv->resume_quirk)
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return 0;
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return priv->resume_quirk(hcd);
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}
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static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)
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{
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/*
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@ -369,10 +379,15 @@ static int xhci_plat_resume(struct device *dev)
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{
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struct usb_hcd *hcd = dev_get_drvdata(dev);
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struct xhci_hcd *xhci = hcd_to_xhci(hcd);
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int ret;
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if (!device_may_wakeup(dev) && !IS_ERR(xhci->clk))
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clk_prepare_enable(xhci->clk);
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ret = xhci_priv_resume_quirk(hcd);
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if (ret)
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return ret;
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return xhci_resume(xhci, 0);
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}
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#endif /* CONFIG_PM_SLEEP */
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@ -17,6 +17,7 @@ struct xhci_plat_priv {
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const char *firmware_name;
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void (*plat_start)(struct usb_hcd *);
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int (*init_quirk)(struct usb_hcd *);
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int (*resume_quirk)(struct usb_hcd *);
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};
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#define hcd_to_xhci_priv(h) ((struct xhci_plat_priv *)hcd_to_xhci(h)->priv)
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