| Message ID | B7F5C8CEDD17AEFB+20241018073750.48527-1-wangyuli@uniontech.com (mailing list archive) |
|---|---|
| State | Handled Elsewhere |
| Headers | show |
| Series | [4.19/5.4] PCI: Add function 0 DMA alias quirk for Glenfly Arise chip | expand |
On Fri, Oct 18, 2024 at 03:37:49PM +0800, WangYuli wrote: > [ Upstream commit 9246b487ab3c3b5993aae7552b7a4c541cc14a49 ] > > 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> > --- > drivers/pci/quirks.c | 4 ++++ > include/linux/pci_ids.h | 2 ++ > 2 files changed, 6 insertions(+) Now queued up, thanks. greg k-h
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index bb5182089096..566bedc5836b 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4042,6 +4042,10 @@ 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) diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 91193284710f..5f996cf93c13 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -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