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 8E0093B0940; Sat, 28 Feb 2026 17:38:25 +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=1772300305; cv=none; b=rFOgC2Ew7iBSZXOWlulSnQY4kKkvYHFczO1rOwss2eGycYbgDNG7YiaapAM8zSHcOJnO6/TPbN4eWxUbIX1mMVe3wjJyPWOpPNpxDAw8s13fxcZzsmS/H0BdSOsMU5gyghhjR7jFSjIpXI0aEJrmK880Vdhu7xWxxKIM+9TdGv8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300305; c=relaxed/simple; bh=ATjiF+y6xyZCncjOO7dsiQtE8pP3E5WtbNbJ8vK1yTw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tJ1QuchWN0m9iewHPpDUYePSbbw2uEl4+o07tN7Wa4OCKkY3FW/M3utuyLL6rO5rPy2ikCmEm+pNxojtvLE3+ZuFLj33Pd5CzZhsCodDSIP27yqC+aFfxmoMB794z+tJNHieTPMkdf+lopBgYTZoREa5GPnoVThHORU1FRNpxRU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LOmZZ+XD; 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="LOmZZ+XD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D75D8C19423; Sat, 28 Feb 2026 17:38:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300305; bh=ATjiF+y6xyZCncjOO7dsiQtE8pP3E5WtbNbJ8vK1yTw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LOmZZ+XDlEQ8EVD/PP6MjGk5sr0v5J3HYxoKMnJLLQfcAopBunu0PqLJC0aAWPIdK gyLiwJgcMvv+hh06ymSy882q09BScq2zyDcDCepiTRJOBciWR1sAGj2xsXuVFzKPKk f9pP4rrHyHEgRbK31gub75g1O50UCInneOG9ui++jROO8FuBt6HUQ3fYwgj1o8JG8L eZKCNdBAhIE1wKFxBNzCi3GUEpuXss3j8rRNroX0uYig85oePKkr7gVBdnxzNi1wKr 9NyyS8j/F8V1efDfJq9zMk+u5y6Vz7+hUxbAri4liADQYIjSJw8WaBIYhkFax6w00L xykXCbU4mr1GA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Krishna Chaitanya Chundru , Bjorn Helgaas , Sasha Levin Subject: [PATCH 6.19 335/844] PCI: Add ACS quirk for Qualcomm Hamoa & Glymur Date: Sat, 28 Feb 2026 12:24:08 -0500 Message-ID: <20260228173244.1509663-336-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Krishna Chaitanya Chundru [ Upstream commit 44d2f70b1fd72c339c72983fcffa181beae3e113 ] 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. Add an ACS quirk for Hamoa & Glymur. Signed-off-by: Krishna Chaitanya Chundru Signed-off-by: Bjorn Helgaas Link: https://patch.msgid.link/20260109-acs_quirk-v1-1-82adf95a89ae@oss.qualcomm.com Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 538ad85cf7c30..4463a2da0441f 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5117,6 +5117,10 @@ 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 */ -- 2.51.0