linux-kernel - PCI: Add function 1 DMA alias quirk for Marvell 88SS9183

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Message-ID: <20180813194123.GM113140@bhelgaas-glaptop.roam.corp.google.com>
Date:   Mon, 13 Aug 2018 14:41:23 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     f.bluethner@...lbox.org
Cc:     Alex Williamson <alex.williamson@...hat.com>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: PCI: Add function 1 DMA alias quirk for Marvell 88SS9183

Hi,

Thanks a lot for your new report
(https://bugzilla.kernel.org/show_bug.cgi?id=42679#c134).

Can you confirm that the patch below is equivalent to what you tested and
it resolves the problem?  If so, I'll try to include it for v4.19.


commit dd4e0ad485e12c9c04eb7a21ba69c24f12cb1918
Author: Bjorn Helgaas <bhelgaas@...gle.com>
Date:   Mon Aug 13 14:30:41 2018 -0500

    PCI: Add function 1 DMA alias quirk for Marvell 88SS9183
    
    Add function 1 DMA alias quirk for Marvell 88SS9183 PCIe SSD Controller.
    
    Link: https://bugzilla.kernel.org/show_bug.cgi?id=42679#c134
    Reported-by: <f.bluethner@...lbox.org>
    Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index deb051583eda..6994544125ff 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3845,6 +3845,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x917a,
 /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c78 */
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9182,
 			 quirk_dma_func1_alias);
+/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c134 */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9183,
+			 quirk_dma_func1_alias);
 /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c46 */
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0,
 			 quirk_dma_func1_alias);