From nobody Wed Dec 17 08:08:57 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 11867C4332F for ; Wed, 1 Nov 2023 10:17:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235027AbjKAKRZ (ORCPT ); Wed, 1 Nov 2023 06:17:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235008AbjKAKRV (ORCPT ); Wed, 1 Nov 2023 06:17:21 -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 2859C101 for ; Wed, 1 Nov 2023 03:17:19 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-d9cb4de3bf0so7185104276.0 for ; Wed, 01 Nov 2023 03:17:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698833838; x=1699438638; 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=iiubIDLj9+fiCVO4MRpbpNiWATQLYfZHiBCO35SoWgZagmwID+7ufEeHiRa4+HlAkN sP0sY+7jA9UEd9dB/nWZLLxUnc/XHy3xiXnsWWd7Wu6V3eTm2SjcRw3lcjf24d1lqaLP 2Due5leqljuEQc1plzedg+EhOxIMvpeAER0lnd+zngCkG4t3N4iWIsa05+oqyszpXG66 v3K/FismcNKh1F/jqiWKQ/p+mHqd2f56cBTz4Dv8h85sufn5JUPiGjMyCDw/glZIBUWI Hsj3eEbSAy/NV2qcZ2KwyZjkdqswRkm6Cdqfiep/afgFQKz9guD+Ve4azVqRkl0TeP/t PdGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698833838; x=1699438638; 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=nB/apvvXt7XKLwbyCOc9joKyKCWLLQfWkI1MpoPruXx8Ti6hy+l1jOJVaeNu8zYvpi kxHogYLYV6e8I5TGeou6p/0yGbPLbCV1m6m6a3Slp6j7cJjvdjFmeQ0dQ7j7MmrEue7L /n3No6+2bR5PEv41JLq7WOWUMq0F5B3S7PrN+bHDYjqQ0ZnonXAv5zIei2/+zCnJXB7p ekPK4MuPMTc8JQB/+mN37DrYM69osNCPcYfmZTKq82ltdyd0ek1ckZhd1IL1I/DfvhSh sVUaGn1UZYcu9ImsNDS3R2RfGt91HY6bqtxHohPSiJHyX6Nl3ZGiEYBPWABiboD1sNYa 3ugg== X-Gm-Message-State: AOJu0Yy0qCuPmO1x9lQVbA54zWOxgXJEiC0GPkOPQzwC88Fk/KqZiV8Y j096OsDPfzBPtUPsOUc7BiAUBhVNcGX9 X-Google-Smtp-Source: AGHT+IHinYRwD8fj0nrrNZJpNGMVcxTbcgPusqm9nKng4RFXsyc4EKTfTVPgJ98yc1drhyuZAcOYzZfbiOsN X-Received: from mnkumar0.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:313a]) (user=mnkumar job=sendgmr) by 2002:a25:bc52:0:b0:d9a:3d02:b55 with SMTP id d18-20020a25bc52000000b00d9a3d020b55mr296671ybk.0.1698833838374; Wed, 01 Nov 2023 03:17:18 -0700 (PDT) Date: Wed, 1 Nov 2023 10:16:24 +0000 In-Reply-To: <20231101101625.4151442-1-mnkumar@google.com> Mime-Version: 1.0 References: <20231101101625.4151442-1-mnkumar@google.com> X-Mailer: git-send-email 2.42.0.820.g83a721a137-goog Message-ID: <20231101101625.4151442-2-mnkumar@google.com> Subject: [PATCH RESEND 1/2] usb: host: xhci-plat: Add quirk-no-64-bit-support From: Naveen Kumar To: Mathias Nyman , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, royluo@google.com, devicetree@vger.kernel.org, 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 Wed Dec 17 08:08:57 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 4DF26C4167B for ; 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Wed, 01 Nov 2023 03:17:25 -0700 (PDT) Date: Wed, 1 Nov 2023 10:16:25 +0000 In-Reply-To: <20231101101625.4151442-1-mnkumar@google.com> Mime-Version: 1.0 References: <20231101101625.4151442-1-mnkumar@google.com> X-Mailer: git-send-email 2.42.0.820.g83a721a137-goog Message-ID: <20231101101625.4151442-3-mnkumar@google.com> Subject: [PATCH RESEND 2/2] dt-bindings: usb: add no-64-bit-support property From: Naveen Kumar To: Mathias Nyman , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, royluo@google.com, devicetree@vger.kernel.org, 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