From: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Some SoCs (eg Renesas RZ/G3E SoC) have special sequence after
xhci_resume, add .post_resume_quick for it.
Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
drivers/usb/host/xhci-plat.c | 14 ++++++++++++++
drivers/usb/host/xhci-plat.h | 1 +
2 files changed, 15 insertions(+)
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 5eb51797de32..7191a63dec2a 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -74,6 +74,16 @@ static int xhci_priv_resume_quirk(struct usb_hcd *hcd)
return priv->resume_quirk(hcd);
}
+static int xhci_priv_post_resume_quirk(struct usb_hcd *hcd)
+{
+ struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
+
+ if (!priv->post_resume_quirk)
+ return 0;
+
+ return priv->post_resume_quirk(hcd);
+}
+
static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)
{
struct xhci_plat_priv *priv = xhci_to_priv(xhci);
@@ -509,6 +519,10 @@ static int xhci_plat_resume_common(struct device *dev, bool power_lost)
if (ret)
goto disable_clks;
+ ret = xhci_priv_post_resume_quirk(hcd);
+ if (ret)
+ goto disable_clks;
+
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h
index fe4f95e690fa..4c2a89bd83a1 100644
--- a/drivers/usb/host/xhci-plat.h
+++ b/drivers/usb/host/xhci-plat.h
@@ -20,6 +20,7 @@ struct xhci_plat_priv {
int (*init_quirk)(struct usb_hcd *);
int (*suspend_quirk)(struct usb_hcd *);
int (*resume_quirk)(struct usb_hcd *);
+ int (*post_resume_quirk)(struct usb_hcd *);
};
#define hcd_to_xhci_priv(h) ((struct xhci_plat_priv *)hcd_to_xhci(h)->priv)
--
2.43.0
