[PATCH 2/3] usb: host: xhci-plat: add resume_quirk()

[Yoshihiro Shimoda]

This patch adds resume_quirk() to do platform specific process in
resume timing.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda...@renesas.com>
---
 drivers/usb/host/xhci-plat.c | 15 +++++++++++++++
 drivers/usb/host/xhci-plat.h |  1 +
 2 files changed, 16 insertions(+)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 3528de3..ceb7413 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -54,6 +54,16 @@ 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)
 {
        /*
@@ -328,10 +338,15 @@ 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);
 }
 
diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h
index 9af0cb4..29b2278 100644
--- a/drivers/usb/host/xhci-plat.h
+++ b/drivers/usb/host/xhci-plat.h
@@ -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)
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html