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[86.139.30.37]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3ecdc2deb20sm932154f8f.47.2025.09.16.08.03.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Sep 2025 08:03:01 -0700 (PDT) From: Biju X-Google-Original-From: Biju To: Mathias Nyman , Greg Kroah-Hartman Cc: Biju Das , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven , Prabhakar Mahadev Lad , Biju Das , linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 5/9] usb: host: xhci-plat: Add .post_resume_quirk for struct xhci_plat_priv Date: Tue, 16 Sep 2025 16:02:41 +0100 Message-ID: <20250916150255.4231-6-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250916150255.4231-1-biju.das.jz@bp.renesas.com> References: <20250916150255.4231-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Biju Das Some SoCs (eg Renesas RZ/G3E SoC) have special sequence after xhci_resume, add .post_resume_quick for it. Signed-off-by: Biju Das --- v2->v3: * No change. v1->v2: * No change. --- 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 3a56d8f94519..9e58431f486b 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); } =20 +static int xhci_priv_post_resume_quirk(struct usb_hcd *hcd) +{ + struct xhci_plat_priv *priv =3D 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 =3D xhci_to_priv(xhci); @@ -529,6 +539,10 @@ static int xhci_plat_resume_common(struct device *dev,= bool power_lost) if (ret) goto disable_clks; =20 + ret =3D 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 *); }; =20 #define hcd_to_xhci_priv(h) ((struct xhci_plat_priv *)hcd_to_xhci(h)->priv) --=20 2.43.0