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authorTroy Kisky <troy.kisky@boundarydevices.com>2014-01-29 16:40:11 -0700
committerPhilippe Schenker <philippe.schenker@toradex.com>2019-05-24 11:34:11 +0200
commit7f54d58a38410f9ce4551a388bda6cd4e84df15f (patch)
tree89e02cdd3bddcfa6a153291c16fc184461b6ff75 /drivers/pci
parent5e3ec9513f31db57a29b846135ddc759d8acc424 (diff)
PCI: Add quirk for setting valid class for TW6869 frame grabber
Based on commit d4ab3dedc3be1a033420de9daf03056f949c4e51 (PCI: Add quirk for setting valid class for TI816X Endpoint) Having class code = 0 makes kernel PCI bus code skip allocating BARs to these devices resulting in the following error: PCI: Device 0000:01:00.0 not available because of resource collisions This patch adds a ID specific (0x1797:6869) early fixup quirk to replace class code with PCI_CLASS_MULTIMEDIA_VIDEO. Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com> Acked-by: Max Krummenacher <max.krummenacher@toradex.com> (cherry picked from commit d422c15213c4e353896846e64bb03491af5f472d) (cherry picked from commit 41feae56c994735781a3a9339c3ac72774550845)
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/quirks.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 5b03bad39805..0a8faed6ae6c 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2998,6 +2998,15 @@ 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);
+/* TW6869 Frame grabber has same problem as ti816x */
+static void fixup_tw6869_class(struct pci_dev* dev)
+{
+ dev_info(&dev->dev, "Setting PCI class for tw6869 PCIe device\n");
+ dev->class = PCI_CLASS_MULTIMEDIA_VIDEO;
+}
+DECLARE_PCI_FIXUP_CLASS_EARLY(0x1797, 0x6869,
+ PCI_CLASS_NOT_DEFINED, 0, fixup_tw6869_class);
+
/* Some PCIe devices do not work reliably with the claimed maximum
* payload size supported.
*/