From nobody Thu Dec 18 17:04:59 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 96EC9C4332F for ; Tue, 31 Oct 2023 04:49:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234520AbjJaEt6 (ORCPT ); Tue, 31 Oct 2023 00:49:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236846AbjJaEkq (ORCPT ); Tue, 31 Oct 2023 00:40:46 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC8E7F1 for ; Mon, 30 Oct 2023 21:40:44 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-d9a541b720aso5225665276.0 for ; Mon, 30 Oct 2023 21:40:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698727244; x=1699332044; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=eYwnCg3MzOCxaL6syOpApDs7eXE4N92NMNfKk1723ok=; b=K8NPu7dq9Wrw4mgKePz0ZSQ5gLDyRZgC7oA32z/4lY34GcKiiuAAGt8DCuQHY6avEy hfuxxihnVr2n71/V7J3jnvBAaOYTfUtLvYmrjzdiDr4P84Uoz5pXXJQlZEDxqpCSbTWa C2ZqUBHyzoL9gDkplmwUv1IjokAMshlLW9ml6uAmkGBqjWpLcN2tuLsRDJhOA5/pl5Px Ps/XcfJF5oPGFQ+xt2gERTr+uG+poRkTyxnrXRLocFnCm5zT6aRelvb6VVF97gSoR7ox YnnVQxAUBjh8uifbME1DzfZbIiq5aS2X86mM6/Rv20TmgUqiIMGXdV41niL9vmYEjiMr 7s5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698727244; x=1699332044; 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=eYwnCg3MzOCxaL6syOpApDs7eXE4N92NMNfKk1723ok=; b=Dx4Aoi9rGGr5cbvyCkXvJdT38zOzFegqYOBPnoyHJRNhnNXlMOWOuOPkncNeFWjfY5 J0v8vIBS1zuy+EaS1s7Zv9MLw6C9denxEQpze5dq7jFn8xQ/ddNBbWiiIG40JOfRmxOI o+c79OOQSyHJpMD3EOas1xzJE6Xa8pbYhIguXjr+2fWgtldxxuJyXMt5zSLVjDQwc6KS 90uCkJw6v5COt6AgKx8l0HzANWLpGYRRwgkoDERUcYCFzsnjbMaltjjwb5R14+BOLG2F dG9PpnPU5OP4w6dmdiAcvA5ZjHzx+WOUXH6Szjvs9SrVHYZzTkjg1IzDBZTqtPiejdLA zNTg== X-Gm-Message-State: AOJu0YwrsSymfugGtVS+8wqMhOYgrITr8CIr2DUNSdP345OOcWZyMD7t sR35cL6XqJ5QFvJd3l+TSxzznlZR3vY4 X-Google-Smtp-Source: AGHT+IF1blIGUiwwYOg1/mXFkKE0MNTH6FvFkl8I66ichTIVYu+k5T3UQy8MezeW8HkSb6f9gfoFH86xoxvQ X-Received: from mnkumar0.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:313a]) (user=mnkumar job=sendgmr) by 2002:a25:d754:0:b0:d9c:66d1:9597 with SMTP id o81-20020a25d754000000b00d9c66d19597mr211255ybg.13.1698727243860; Mon, 30 Oct 2023 21:40:43 -0700 (PDT) Date: Tue, 31 Oct 2023 04:40:20 +0000 In-Reply-To: <20231031044021.1162403-1-mnkumar@google.com> Mime-Version: 1.0 References: <20231031044021.1162403-1-mnkumar@google.com> X-Mailer: git-send-email 2.42.0.820.g83a721a137-goog Message-ID: <20231031044021.1162403-2-mnkumar@google.com> Subject: [PATCH 1/2] usb: host: xhci-plat: Add quirk-no-64-bit-support From: Naveen Kumar To: Mathias Nyman , Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, royluo@google.com, Naveen Kumar M 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: Naveen Kumar M This patch exposes the existing quirk XHCI_NO_64BIT_SUPPORT so that dwc3 clients can also use this flag. Despite HCCPARAMS1 being set to 1 some clients may not support 64 bit addressing. Signed-off-by: Naveen Kumar M --- drivers/usb/host/xhci-plat.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index b93161374293..d5f37decb7da 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -249,6 +249,9 @@ int xhci_plat_probe(struct platform_device *pdev, struc= t device *sysdev, const s if (device_property_read_bool(tmpdev, "quirk-broken-port-ped")) xhci->quirks |=3D XHCI_BROKEN_PORT_PED; =20 + if (device_property_read_bool(tmpdev, "quirk-no-64-bit-support")) + xhci->quirks |=3D XHCI_NO_64BIT_SUPPORT; + device_property_read_u32(tmpdev, "imod-interval-ns", &xhci->imod_interval); } --=20 2.42.0.820.g83a721a137-goog From nobody Thu Dec 18 17:04:59 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 4ABA5C4167B for ; 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Mon, 30 Oct 2023 21:41:06 -0700 (PDT) Date: Tue, 31 Oct 2023 04:40:21 +0000 In-Reply-To: <20231031044021.1162403-1-mnkumar@google.com> Mime-Version: 1.0 References: <20231031044021.1162403-1-mnkumar@google.com> X-Mailer: git-send-email 2.42.0.820.g83a721a137-goog Message-ID: <20231031044021.1162403-3-mnkumar@google.com> Subject: [PATCH 2/2] dt-bindings: usb: add no-64-bit-support property From: Naveen Kumar To: Mathias Nyman , Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, royluo@google.com, Naveen Kumar M 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: Naveen Kumar M Add a new DT option to specify whether a host controller is able to support 64-bit DMA memory pointers Signed-off-by: Naveen Kumar M --- Documentation/devicetree/bindings/usb/usb-xhci.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.yaml b/Document= ation/devicetree/bindings/usb/usb-xhci.yaml index 180a261c3e8f..20dc134004f3 100644 --- a/Documentation/devicetree/bindings/usb/usb-xhci.yaml +++ b/Documentation/devicetree/bindings/usb/usb-xhci.yaml @@ -25,6 +25,10 @@ properties: description: Set if the controller has broken port disable mechanism type: boolean =20 + quirk-no-64-bit-support: + description: Set if the xHC doesn't support 64-bit DMA memory pointers + type: boolean + imod-interval-ns: description: Interrupt moderation interval default: 5000 --=20 2.42.0.820.g83a721a137-goog