Unverified Commit 69d4d959 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14264 PCI: Add function 0 DMA alias quirk for Glenfly Arise chip 

Merge Pull Request from: @ci-robot 
 
PR sync from: Heyuan Wang <wangheyuan2@h-partners.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/53GMA2SHNPDY3DJYM57WQHRPDM2YATGP/ 
 
https://gitee.com/openeuler/kernel/issues/IBBN6V 
 
Link:https://gitee.com/openeuler/kernel/pulls/14264

 

Reviewed-by: default avatarXiongfeng Wang <wangxiongfeng2@huawei.com>
Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents cb64fb0d 3aa9b3ce

drivers/pci/quirks.c

+4 −0
Original line number Diff line number Diff line
@@ -3923,6 +3923,10 @@ 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)

include/linux/pci_ids.h

+2 −0
Original line number Diff line number Diff line
@@ -2626,6 +2626,8 @@ 
#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