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