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usb: host: xhci-plat: Add .post_resume_quirk for struct xhci_plat_priv

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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@bp.renesas.com>
Link: https://lore.kernel.org/r/20250916150255.4231-6-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Biju Das
2025-09-17 12:43:17 +02:00
committed by Greg Kroah-Hartman
parent f7acd12eba
commit 2ef16e4eb4
2 changed files with 15 additions and 0 deletions
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drivers/usb/host/xhci-plat.c
+14
View File
@@ -75,6 +75,16 @@ 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);
@@ -530,6 +540,10 @@ 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);
drivers/usb/host/xhci-plat.h
+1
View File
@@ -21,6 +21,7 @@ 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)