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| author | Bjorn Helgaas <bhelgaas@google.com> | 2022-09-09 15:24:57 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-09-12 15:28:43 -0500 |
| commit | a47126ec29f538e1197862919f94d3b6668144a4 (patch) | |
| tree | fd36704f671fb0a5850457f26e1b1ce8d4546299 /include/linux/pci.h | |
| parent | 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 (diff) | |
| download | lwn-a47126ec29f538e1197862919f94d3b6668144a4.tar.gz lwn-a47126ec29f538e1197862919f94d3b6668144a4.zip | |
PCI/PTM: Cache PTM Capability offset
Cache the PTM Capability offset instead of searching for it every time we
enable/disable PTM or save/restore PTM state. No functional change
intended.
Link: https://lore.kernel.org/r/20220909202505.314195-2-helgaas@kernel.org
Tested-by: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 060af91bafcd..54be939023a3 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -475,6 +475,7 @@ struct pci_dev { unsigned int broken_cmd_compl:1; /* No compl for some cmds */ #endif #ifdef CONFIG_PCIE_PTM + u16 ptm_cap; /* PTM Capability */ unsigned int ptm_root:1; unsigned int ptm_enabled:1; u8 ptm_granularity; |