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 B897F1DE8A4; Fri, 4 Oct 2024 18:29:26 +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=1728066566; cv=none; b=e8I6J74bnmgmthCK6R3PczyiP0fhPUEIsqzevA/TKNIrA7JRa3BQjYuXgt8apGnwPIXrpeMj5dyrIMzXS9Pg0OYGVEFZQeA6Js23f4rcrCrwIbuTuN9eXH6e2xSo2i2FLErrR5OIa1K33Gj/24jxFzAw11p9/3pUwRGDm6Zmihw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728066566; c=relaxed/simple; bh=SX/GBVNN+MOa0kaEeRC5B2kAwXngpalqGNk5JbhH4Rw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=JNkjV1+nweTbQ9oE+ztXq4diT4LswvndYkQRRuZWceOk3rk2oK4urzIc8IlE/ndbbvuQOI48r47UjR0zu3O8s5yX6JMaahXKEy8WIpc0qd3ADnhUJRxnZlki7v1R5faBbf2O+VxNT4zXRuzqR3y8nyPJ+0N4FjiSikckKJV6Y7M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nws6Kjuf; 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="nws6Kjuf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7627C4CECC; Fri, 4 Oct 2024 18:29:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728066566; bh=SX/GBVNN+MOa0kaEeRC5B2kAwXngpalqGNk5JbhH4Rw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nws6Kjuf/0wNjbWBoAS/mkf1HlR9e6RKFOqCY7aEaSxBJMaW9WP5kv75daNF9HjG+ HnxvcVvHccHT/w9A3kZ6dVrtpJqVtZ0e31nSyA+OynZipOdvcssk/B2Bx1+Q/Zq4tT BOUCs1Il1V4JGiobhcP6Gakta5qn+iX/vtrK/0B+gDG4rB997J589Omdw08lHyGzyk PZ4Sccuen3TSePLuQFvD7g5EjbFjB1ePAS4yccdFISzw6ej84QFNM1uPJM3K9m0Ser vga1ilf7Qr1LiQjG53TG0xh7hwQuDAlmAte8xSE35K20gTcEQa5zw2vZvnkY0CU4Eu 6GV7qaFmoUVMQ== 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 5.15 17/31] PCI: Add ACS quirk for Qualcomm SA8775P Date: Fri, 4 Oct 2024 14:28:25 -0400 Message-ID: <20241004182854.3674661-17-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241004182854.3674661-1-sashal@kernel.org> References: <20241004182854.3674661-1-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 5.15.167 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 2d648967aa85f..965e2c9406dbd 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4946,6 +4946,8 @@ 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