From nobody Thu Sep 18 01:19:35 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF518C4332F for ; Tue, 13 Dec 2022 14:12:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235838AbiLMOMN (ORCPT ); Tue, 13 Dec 2022 09:12:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235342AbiLMOLV (ORCPT ); Tue, 13 Dec 2022 09:11:21 -0500 Received: from mail-pf1-x449.google.com (mail-pf1-x449.google.com [IPv6:2607:f8b0:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCA6421255 for ; Tue, 13 Dec 2022 06:10:34 -0800 (PST) Received: by mail-pf1-x449.google.com with SMTP id z13-20020aa79f8d000000b00576b614b7d2so2130168pfr.14 for ; Tue, 13 Dec 2022 06:10:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=MKI07Bx0MT4z42ihUE6Ms1XD+dup6KrK+Vea+qzaT8o=; b=rY5gG2Ir0bwLKC240UeBvFVur1c/4YpMgDS5iaNAtxBXer2SEpIADomFcS+TypZdlC gkeQIaiS6z3TZbTHAdjZYch55Z0DDUnWvLdburjIXT3n4wIrOxklAXRDQLtTcMVXFlC8 ECbfIoJ6uxcYjlXlATeMxQdIbGwgdyN2548vWVmy1rpRFVIxVHaM27dfDgfU1zunkSlv Izd9BwW3HOj0bl0Cyxj4pASAwO845iNzolWve6lbUGi0c4UGaVUrhzAW7+oTcXwb/igD +WvSHbrLdVC8gTQvF/WDucwaK+1nDs7notdjny0Qh2WTFf6oDccsp1rNNPYl6STK9Pz9 hd7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=MKI07Bx0MT4z42ihUE6Ms1XD+dup6KrK+Vea+qzaT8o=; b=zfP4T3oR8cgF30hUt/tJwyynI6Cc9wx2kAijQt7A8ymZIlfpU5/KQ15jF8WY0AUYtf HL6Vi6EvwafCqJ4w5+QYT8p68QOsuu/pKWnyIkBHWJjQuqa+gJsBYr90+mNC+wRULZlU E2yd5dW+rKRz9vzyHKMgUkkOoDX1RS4Yq7lntzk1u5oKNrC8qSjRyGy18FQ7qBaeaJ/C xSe71WdMtnoRGZGSwM+b63TMZi4VxqEAFlAkxfSjNpkDpkP0XSpwuB3Gt90GxTmr2BZx n/DF49ts6PrMW+5A2vHUstxMuhGQaOvJi9lANIm2oYGO/x7m/QsPMlAGP66h9c0/NjoB jRPQ== X-Gm-Message-State: ANoB5pkutb+47u3WK0PXz2nk0jS3XxOkOy5oryBKeIMDuYZ1TDXhIRT0 Vc0Mi69oylES6mVAoE+izqhuD9bwKITAz/Iftv4= X-Google-Smtp-Source: AA0mqf4ED9AjZvtuotnnanTk1xUkXF09so4t5LMDhw646LjDd+sbIc63QDGMrIyBbxoWYh7eG4Q5e367VTb2GwrDLJE= X-Received: from albertccwang.c.googlers.com ([fda3:e722:ac3:cc00:3:22c1:c0a8:83d]) (user=albertccwang job=sendgmr) by 2002:a17:90a:8407:b0:21a:150d:fe63 with SMTP id j7-20020a17090a840700b0021a150dfe63mr446633pjn.73.1670940634139; Tue, 13 Dec 2022 06:10:34 -0800 (PST) Date: Tue, 13 Dec 2022 14:10:04 +0000 In-Reply-To: <20221213141005.3068792-1-albertccwang@google.com> Mime-Version: 1.0 References: <20221213141005.3068792-1-albertccwang@google.com> X-Mailer: git-send-email 2.39.0.rc1.256.g54fd8350bd-goog Message-ID: <20221213141005.3068792-3-albertccwang@google.com> Subject: [PATCH v3 2/3] usb: xhci-plat: add xhci_plat_priv_overwrite From: Albert Wang To: mathias.nyman@intel.com, gregkh@linuxfoundation.org Cc: badhri@google.com, howardyen@google.com, pumahsu@google.com, raychi@google.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Howard Yen Add an overwrite to platform specific callback for setting up the xhci_offload_ops, allow vendor to store the xhci_offload_ops and overwrite them when xhci_plat_probe invoked. Signed-off-by: Howard Yen --- drivers/usb/host/xhci-plat.c | 20 ++++++++++++++++++++ drivers/usb/host/xhci-plat.h | 7 +++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 2f04acb42fa6..11ff89f722b7 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -173,9 +173,26 @@ static const struct of_device_id usb_xhci_of_match[] = =3D { MODULE_DEVICE_TABLE(of, usb_xhci_of_match); #endif =20 +static struct xhci_plat_priv_overwrite xhci_plat_vendor_overwrite; + +int xhci_plat_register_offload_ops(struct xhci_offload_ops *offload_ops) +{ + if (offload_ops =3D=3D NULL) + return -EINVAL; + + xhci_plat_vendor_overwrite.offload_ops =3D offload_ops; + + return 0; +} +EXPORT_SYMBOL_GPL(xhci_plat_register_offload_ops); + static int xhci_vendor_init(struct xhci_hcd *xhci) { struct xhci_offload_ops *ops =3D xhci_offload_get_ops(xhci); + struct xhci_plat_priv *priv =3D xhci_to_priv(xhci); + + if (xhci_plat_vendor_overwrite.offload_ops) + ops =3D priv->offload_ops =3D xhci_plat_vendor_overwrite.offload_ops; =20 if (ops && ops->offload_init) return ops->offload_init(xhci); @@ -185,9 +202,12 @@ static int xhci_vendor_init(struct xhci_hcd *xhci) static void xhci_vendor_cleanup(struct xhci_hcd *xhci) { struct xhci_offload_ops *ops =3D xhci_offload_get_ops(xhci); + struct xhci_plat_priv *priv =3D xhci_to_priv(xhci); =20 if (ops && ops->offload_cleanup) ops->offload_cleanup(xhci); + + priv->offload_ops =3D NULL; } =20 static int xhci_plat_probe(struct platform_device *pdev) diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h index 5aa0d38fa01a..0656d6daa194 100644 --- a/drivers/usb/host/xhci-plat.h +++ b/drivers/usb/host/xhci-plat.h @@ -22,4 +22,11 @@ struct xhci_plat_priv { =20 #define hcd_to_xhci_priv(h) ((struct xhci_plat_priv *)hcd_to_xhci(h)->priv) #define xhci_to_priv(x) ((struct xhci_plat_priv *)(x)->priv) + +struct xhci_plat_priv_overwrite { + struct xhci_offload_ops *offload_ops; +}; + +int xhci_plat_register_offload_ops(struct xhci_offload_ops *offload_ops); + #endif /* _XHCI_PLAT_H */ --=20 2.39.0.rc1.256.g54fd8350bd-goog