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 7F9AA1E0DA1; Wed, 6 Nov 2024 13:12:40 +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=1730898760; cv=none; b=A/lovrL7JeprjiI9YaftwAnC4XOSjXmIvsQh/3oVIAcca4ywcPqfCAu4dJ6n5yunYcMTSWOZ84ffzunP/nMixmQYMCADiDKvCM0D8Pqo0h2PhPkb5YBGeW9NPi8VJBDzLhojsFvoFY6VIoLnQ1BttfXvpYh1tdSKBYlaIilGPMA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730898760; c=relaxed/simple; bh=hXC8nRbukWbMMOTEA75JLCUQ7B/iAIIF7hsyBfNRbeU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=XxwnwM0Z+/JE1eCwweWAXKbEkZeAMwnGKuxiyAUWo5D1IMZPYr7lHJzble8p7ateYBWIkkHLJeYUmDYqFq1l1ndgG6g+VoOCjHLC1pQuBwnLdKpumxIubd05HKwJsS9ndOr6rlM7ThKP+1tQ+LjzeobkATtPoRiASrOMtQtovkw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Hco6qW+X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Hco6qW+X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A800C4CECD; Wed, 6 Nov 2024 13:12:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730898760; bh=hXC8nRbukWbMMOTEA75JLCUQ7B/iAIIF7hsyBfNRbeU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hco6qW+XMw+4Wurjr381PFGf+DrMzEuz9RHgh/uh+6a4ju/+7hxIBgzn9PXecxUkS bKQY3JGzcKUpmHS1N9ze4rtkxXwWqk9A+bFjsMxD6VjeXc/DbvfjneE4EM+9sC+ZOO Wov6uaZrCc6QJzfwi5Y6z/072fIPIKmbOVaESVpg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Subramanian Ananthanarayanan , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Sasha Levin Subject: [PATCH 5.4 310/462] PCI: Add ACS quirk for Qualcomm SA8775P Date: Wed, 6 Nov 2024 13:03:23 +0100 Message-ID: <20241106120339.182105304@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241106120331.497003148@linuxfoundation.org> References: <20241106120331.497003148@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ 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