diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2025-09-16 16:02:41 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-17 12:43:17 +0200 |
| commit | 2ef16e4eb41fe711479d92805e4b9e430c7bbefd (patch) | |
| tree | 4f591b8128273073f6d0a67a368f19dc4036835d | |
| parent | f7acd12eba05fb9e7dba3222e2aeca5f49d38b3a (diff) | |
usb: host: xhci-plat: Add .post_resume_quirk for struct xhci_plat_priv
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>
| -rw-r--r-- | drivers/usb/host/xhci-plat.c | 14 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-plat.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index b3f895505cbe..074d9c731639 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -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); diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h index 2b32a93d2b76..00751d851831 100644 --- a/drivers/usb/host/xhci-plat.h +++ b/drivers/usb/host/xhci-plat.h @@ -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) |