From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F1135248881; Fri, 9 Jan 2026 15:58:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767974325; cv=none; b=Iv1QX4mNBG8DQMV63cWG61Gu7Bq8QpEsPqb10scUQ6bwXvsiXEFHTkQztgbst3rvfyWIX20Xz10Ea+skldbNi6+bVOsxg2t13M9x3MwxcclApuyyyXS9m7km6YqVoR0myD4CBiS05P3CGu43xpnx4O2TXchyMr/nemLMITugjFo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767974325; c=relaxed/simple; bh=zfxA5myCPXZNE/DPAuqz+f1GTiaJZS2c+LBCvLR2duE=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=SM4Xqj7CCRrDcPpx611KccXWWtvkuYUbVGreoQDy6z0IjmFfpo11xjNYJ6BHsDWzbt5lakOaPn6F7LjZ8Ic8+8qJVo/u/lfm/HTNP3IOGCI5UtOMtHXcSZlzXyQhjFXPzx2/g6PgAyV0FLsGduD/KKRwFu2ozAyM+69XS3lNHKc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pB96RwPX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pB96RwPX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63875C4CEF1; Fri, 9 Jan 2026 15:58:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767974324; bh=zfxA5myCPXZNE/DPAuqz+f1GTiaJZS2c+LBCvLR2duE=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=pB96RwPX8XHpiGmMKa/7vGRqKCVClkHVAOJY8lETpUvsTPJDOCCN2GR1trYukqR1o UKB20ff0A0eiuyFMiQNK5aBgO3wzZ2UNG4urcWaSmZTHKrTSdyFe/MWHKpZedfXQLh 5NpxVeqsfc8wkaghSUr5NrZTJTNzPEVHuoHPxD7jIDJiqER5FlR5DUgj04gVRoLbX4 u7PASy4zStXnwfAoapp2oILMwk6sKhyOgSZTQ96SyHocFjJKSEb+hMxumhnYPrVmAo ZPDknLnaKu71DljFCVNympSMpz6UivIeWPoX/WPQO753Xm7EitO5jZhXTz/cGourI6 QI2vQz9VDEaoQ== Date: Fri, 9 Jan 2026 09:58:43 -0600 From: Bjorn Helgaas To: Krishna Chaitanya Chundru Cc: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, mani@kernel.org Subject: Re: [PATCH] PCI: Add ACS quirk for Qualcomm Hamoa & Glymur Message-ID: <20260109155843.GA547188@bhelgaas> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260109-acs_quirk-v1-1-82adf95a89ae@oss.qualcomm.com> On Fri, Jan 09, 2026 at 01:53:32PM +0530, Krishna Chaitanya Chundru wrote: > The Qualcomm Hamoa & Glymur root ports don't advertise an ACS capability, > but they do provide ACS-like features to disable peer transactions and > validate bus numbers in requests. > > So add an ACS quirk for Hamoa & Glymur. > > Signed-off-by: Krishna Chaitanya Chundru Applied to pci/virtualization for v6.20, thanks! > --- > drivers/pci/quirks.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c > index b9c252aa6fe08a864cebe245f5dd7bf41fcc5116..75dee46f474a643cc79d112df1f5a57a9f6b95b1 100644 > --- a/drivers/pci/quirks.c > +++ b/drivers/pci/quirks.c > @@ -5107,6 +5107,10 @@ static const struct pci_dev_acs_enabled { > { PCI_VENDOR_ID_QCOM, 0x0401, pci_quirk_qcom_rp_acs }, > /* QCOM SA8775P root port */ > { PCI_VENDOR_ID_QCOM, 0x0115, pci_quirk_qcom_rp_acs }, > + /* QCOM Hamoa root port */ > + { PCI_VENDOR_ID_QCOM, 0x0111, pci_quirk_qcom_rp_acs }, > + /* QCOM Glymur root port */ > + { PCI_VENDOR_ID_QCOM, 0x0120, pci_quirk_qcom_rp_acs }, > /* HXT SD4800 root ports. The ACS design is same as QCOM QDF2xxx */ > { PCI_VENDOR_ID_HXT, 0x0401, pci_quirk_qcom_rp_acs }, > /* Intel PCH root ports */ > > --- > base-commit: 623fb9912f6af600cda3b6bd166ac738c1115ef4 > change-id: 20260109-acs_quirk-0f8e83dc945e > > Best regards, > -- > Krishna Chaitanya Chundru >