40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From bba6ebb2daac17bd2268c97b7255e477c2b15b52 Mon Sep 17 00:00:00 2001
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From: Rabeeh Khoury <rabeeh@solid-run.com>
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Date: Wed, 26 Feb 2020 17:57:54 +0200
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Subject: [PATCH] pci: spr2803: quirk to fix class ID
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spr2803 class is 0x0, this quirk modifies that to multimedia class in
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order to allocate memory to it's bars.
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Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>
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---
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drivers/pci/quirks.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
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index 28c64f84bfe7..4ddf7e43d531 100644
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--- a/drivers/pci/quirks.c
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+++ b/drivers/pci/quirks.c
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@@ -3068,6 +3068,18 @@ static void fixup_ti816x_class(struct pci_dev *dev)
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DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_TI, 0xb800,
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PCI_CLASS_NOT_DEFINED, 8, fixup_ti816x_class);
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+static void fixup_spr2803_class(struct pci_dev *dev)
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+{
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+ u32 class = dev->class;
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+
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+ /* spr2803 does not have class code */
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+ dev->class = PCI_CLASS_MULTIMEDIA_VIDEO << 8;
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+ pci_info(dev, "PCI class overridden (%#08x -> %#08x)\n",
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+ class, dev->class);
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+}
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+DECLARE_PCI_FIXUP_CLASS_EARLY(0x1e00, 0x2803,
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+ PCI_CLASS_NOT_DEFINED, 8, fixup_spr2803_class);
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+
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/*
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* Some PCIe devices do not work reliably with the claimed maximum
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* payload size supported.
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--
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2.17.1
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