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| author |   Bjorn Helgaas <bhelgaas@google.com> | 2024-05-16 18:14:09 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2024-05-16 18:14:09 -0500 |
| commit | a6faf3f450ecdb084128751e8fda0e515283da39 (patch) | |
| tree | 0c99a0dbaf6c761733cb11ea4b80b5cc4c095e84 /include/linux/pci.h | |
| parent | Merge branch 'pci/aer' (diff) | |
| parent | PCI/ASPM: Clean up ASPM disable/enable mask calculation (diff) | |
| download | linux-rng-a6faf3f450ecdb084128751e8fda0e515283da39.tar.xz linux-rng-a6faf3f450ecdb084128751e8fda0e515283da39.zip | |
Merge branch 'pci/aspm'
- Consolidate #defines for link states (L0s, L1, L1.1, etc) to simplify
ASPM implementation (Ilpo Järvinen)
- Simplify ASPM disable/enable mask calculation (Ilpo Järvinen)
* pci/aspm:
PCI/ASPM: Clean up ASPM disable/enable mask calculation
PCI/ASPM: Consolidate link state defines
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 16493426a04f..08c68d80c01a 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1821,17 +1821,21 @@ extern bool pcie_ports_native; #define pcie_ports_native false #endif -#define PCIE_LINK_STATE_L0S BIT(0) -#define PCIE_LINK_STATE_L1 BIT(1) -#define PCIE_LINK_STATE_CLKPM BIT(2) -#define PCIE_LINK_STATE_L1_1 BIT(3) -#define PCIE_LINK_STATE_L1_2 BIT(4) -#define PCIE_LINK_STATE_L1_1_PCIPM BIT(5) -#define PCIE_LINK_STATE_L1_2_PCIPM BIT(6) -#define PCIE_LINK_STATE_ALL (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |\ - PCIE_LINK_STATE_CLKPM | PCIE_LINK_STATE_L1_1 |\ - PCIE_LINK_STATE_L1_2 | PCIE_LINK_STATE_L1_1_PCIPM |\ +#define PCIE_LINK_STATE_L0S (BIT(0) | BIT(1)) /* Upstr/dwnstr L0s */ +#define PCIE_LINK_STATE_L1 BIT(2) /* L1 state */ +#define PCIE_LINK_STATE_L1_1 BIT(3) /* ASPM L1.1 state */ +#define PCIE_LINK_STATE_L1_2 BIT(4) /* ASPM L1.2 state */ +#define PCIE_LINK_STATE_L1_1_PCIPM BIT(5) /* PCI-PM L1.1 state */ +#define PCIE_LINK_STATE_L1_2_PCIPM BIT(6) /* PCI-PM L1.2 state */ +#define PCIE_LINK_STATE_ASPM_ALL (PCIE_LINK_STATE_L0S |\ + PCIE_LINK_STATE_L1 |\ + PCIE_LINK_STATE_L1_1 |\ + PCIE_LINK_STATE_L1_2 |\ + PCIE_LINK_STATE_L1_1_PCIPM |\ PCIE_LINK_STATE_L1_2_PCIPM) +#define PCIE_LINK_STATE_CLKPM BIT(7) +#define PCIE_LINK_STATE_ALL (PCIE_LINK_STATE_ASPM_ALL |\ + PCIE_LINK_STATE_CLKPM) #ifdef CONFIG_PCIEASPM int pci_disable_link_state(struct pci_dev *pdev, int state); |