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PCI: Add PCI_PTM_CAP_RES macro

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Add macro defining Responder capable bit in Precision Time Measurement
capability register.

Link: https://lore.kernel.org/r/20220919143340.4527-2-vidyas@nvidia.com
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Jingoo Han <jingoohan1@gmail.com>
This commit is contained in:
Vidya Sagar
2022-09-19 20:03:39 +05:30
committed by Lorenzo Pieralisi
parent 6611036128
commit e32e1e26c4
1 changed files with 1 additions and 0 deletions
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1
include/uapi/linux/pci_regs.h
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@@ -1058,6 +1058,7 @@
/* Precision Time Measurement */
#define PCI_PTM_CAP 0x04 /* PTM Capability */
#define PCI_PTM_CAP_REQ 0x00000001 /* Requester capable */
#define PCI_PTM_CAP_RES 0x00000002 /* Responder capable */
#define PCI_PTM_CAP_ROOT 0x00000004 /* Root capable */
#define PCI_PTM_GRANULARITY_MASK 0x0000FF00 /* Clock granularity */
#define PCI_PTM_CTRL 0x08 /* PTM Control */