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PCI: Add function 0 DMA alias quirk for Glenfly Arise chip

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commit 9246b487ab3c3b5993aae7552b7a4c541cc14a49 upstream.

Add DMA support for audio function of Glenfly Arise chip, which uses
Requester ID of function 0.

Link: https://lore.kernel.org/r/CA2BBD087345B6D1+20240823095708.3237375-1-wangyuli@uniontech.com
Signed-off-by: SiyuLi <siyuli@glenfly.com>
Signed-off-by: WangYuli <wangyuli@uniontech.com>
[bhelgaas: lower-case hex to match local code, drop unused Device IDs]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
WangYuli
2024-08-23 17:57:08 +08:00
committed by Greg Kroah-Hartman
parent 19f4d3a94c
commit 029efe3b57
2 changed files with 6 additions and 0 deletions
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4
drivers/pci/quirks.c
View File

@@ -4044,6 +4044,10 @@ static void quirk_dma_func0_alias(struct pci_dev *dev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe832, quirk_dma_func0_alias);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe476, quirk_dma_func0_alias);
/* Some Glenfly chips use function 0 as the PCIe Requester ID for DMA */
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d40, quirk_dma_func0_alias);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d41, quirk_dma_func0_alias);
static void quirk_dma_func1_alias(struct pci_dev *dev)
{
if (PCI_FUNC(dev->devfn) != 1)

2
include/linux/pci_ids.h
View File

@@ -2647,6 +2647,8 @@
#define PCI_DEVICE_ID_DCI_PCCOM8 0x0002
#define PCI_DEVICE_ID_DCI_PCCOM2 0x0004
#define PCI_VENDOR_ID_GLENFLY 0x6766
#define PCI_VENDOR_ID_INTEL 0x8086
#define PCI_DEVICE_ID_INTEL_EESSC 0x0008
#define PCI_DEVICE_ID_INTEL_PXHD_0 0x0320