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 E45CB1E32A1; Fri, 4 Oct 2024 18:31:26 +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=1728066687; cv=none; b=rk0fNQby88crCf5NgkTJCeGWJxzjH5XUzzDttdFj5QELvF3NkrtAJ783wotUoEbz3DaW97CZrk7QhtHpJwcPl//Q4I94w2dY3ckoBfJAqruf8mlsAPPUQaTpgGafBSHaD8Lp2uzgNoNGpd78pHBOGI0aT54OAtFB5Mogqu3TDoc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728066687; c=relaxed/simple; bh=ReLgJE35yoIG/GdSIz+3KKTOjtzM5I/vyRK8weibBpM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=R4ZlEEd+QIxuU91hJn1ChRZxni7WPQjze+O9Be2j7BPdvl7KGCyj06deK3iJ80mt2F41bXUx/HvM/osvGossPTSb44ZuBiqmCJqKbKoogZ3lZRR8U4q0s1uUGYvfVtMY22QVLBNucM0ng37LYT3AhaTi5UyVIG8XdJz85QGe6Zc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XW25GSL3; 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="XW25GSL3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6C00C4CECE; Fri, 4 Oct 2024 18:31:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728066686; bh=ReLgJE35yoIG/GdSIz+3KKTOjtzM5I/vyRK8weibBpM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XW25GSL32GjvLDGcnFaJMawoB73fSElgwD3pOZ5XXw4bbkGlIpZWr266fF2BcU2da TIorrisNL0tntXGA1N97BrpHKzQnJZ9FwCHqAPHuS+ufZ134eggl+tbY0PF2rjdqBq FaWKasA2GfgsAJq/ps3XFXIzTVjxCLxPlFhwpvWZFkNE8gQzPkEW+x1PcSKfeArwBX m+kgT/kCXQd44wHMX6X9KlOcnj9SNnyePgDt/c13RKjP37n0KF52naPZSBQK1zQ2el jNt9IlXbT7KuY6dp0sl0WkaaE4De9O56cC4sQC0GqJQf0tly9y09NADLBYKON+rVms 6rtk8MbzlG1DQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Subramanian Ananthanarayanan , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Sasha Levin , bhelgaas@google.com, linux-pci@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 11/21] PCI: Add ACS quirk for Qualcomm SA8775P Date: Fri, 4 Oct 2024 14:30:46 -0400 Message-ID: <20241004183105.3675901-11-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241004183105.3675901-1-sashal@kernel.org> References: <20241004183105.3675901-1-sashal@kernel.org> 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=UTF-8 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.4.284 Content-Transfer-Encoding: 8bit From: Subramanian Ananthanarayanan [ Upstream commit 026f84d3fa62d215b11cbeb5a5d97df941e93b5c ] The Qualcomm SA8775P 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. Thus, add an ACS quirk for the SA8775P. Link: https://lore.kernel.org/linux-pci/20240906052228.1829485-1-quic_skananth@quicinc.com Signed-off-by: Subramanian Ananthanarayanan Signed-off-by: Krzysztof Wilczyński Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 3bc7058404156..1e846b62feba5 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4957,6 +4957,8 @@ static const struct pci_dev_acs_enabled { /* QCOM QDF2xxx root ports */ { PCI_VENDOR_ID_QCOM, 0x0400, pci_quirk_qcom_rp_acs }, { PCI_VENDOR_ID_QCOM, 0x0401, pci_quirk_qcom_rp_acs }, + /* QCOM SA8775P root port */ + { PCI_VENDOR_ID_QCOM, 0x0115, 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 */ -- 2.43.0