From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BBC5C433EF for ; Thu, 4 Nov 2021 18:01:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60D186120D for ; Thu, 4 Nov 2021 18:01:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234071AbhKDSES (ORCPT ); Thu, 4 Nov 2021 14:04:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:54246 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234037AbhKDSEP (ORCPT ); Thu, 4 Nov 2021 14:04:15 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0A7016120D; Thu, 4 Nov 2021 18:01:37 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mih3P-003WTf-70; Thu, 04 Nov 2021 18:01:35 +0000 From: Marc Zyngier To: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Bjorn Helgaas , Thomas Gleixner , Rui Salvaterra , kernel-team@android.com Subject: [PATCH 2/2] PCI: Add MSI masking quirk for Nvidia ION AHCI Date: Thu, 4 Nov 2021 18:01:30 +0000 Message-Id: <20211104180130.3825416-3-maz@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211104180130.3825416-1-maz@kernel.org> References: <20211104180130.3825416-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, bhelgaas@google.com, tglx@linutronix.de, rsalvaterra@gmail.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The ION AHCI device pretends that MSI masking isn't a thing, while it actually implements it and needs MSIs to be unmasked to work. Add a quirk to that effect. Reported-by: Rui Salvaterra Tested-by: Rui Salvaterra Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/CALjTZvbzYfBuLB+H=fj2J+9=DxjQ2Uqcy0if_PvmJ-nU-qEgkg@mail.gmail.com --- drivers/pci/quirks.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 4537d1ea14fd..89c7c99cd1bb 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5795,3 +5795,9 @@ static void apex_pci_fixup_class(struct pci_dev *pdev) } DECLARE_PCI_FIXUP_CLASS_HEADER(0x1ac1, 0x089a, PCI_CLASS_NOT_DEFINED, 8, apex_pci_fixup_class); + +static void nvidia_ion_ahci_fixup(struct pci_dev *pdev) +{ + pdev->dev_flags |= PCI_DEV_FLAGS_HAS_MSI_MASKING; +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x0ab8, nvidia_ion_ahci_fixup); -- 2.30.2