diff options
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index ba717bdd700d..39a8932dc340 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -13,6 +13,12 @@ #define PCIE_LINK_RETRAIN_TIMEOUT_MS 1000 +/* + * PCIe r6.0, sec 5.3.3.2.1 <PME Synchronization> + * Recommends 1ms to 10ms timeout to check L2 ready. + */ +#define PCIE_PME_TO_L2_TIMEOUT_US 10000 + extern const unsigned char pcie_link_speed[]; extern bool pci_early_dump; @@ -147,8 +153,8 @@ int pci_hp_add_bridge(struct pci_dev *dev); void pci_create_legacy_files(struct pci_bus *bus); void pci_remove_legacy_files(struct pci_bus *bus); #else -static inline void pci_create_legacy_files(struct pci_bus *bus) { return; } -static inline void pci_remove_legacy_files(struct pci_bus *bus) { return; } +static inline void pci_create_legacy_files(struct pci_bus *bus) { } +static inline void pci_remove_legacy_files(struct pci_bus *bus) { } #endif /* Lock for read/write access to pci device and bus lists */ @@ -422,9 +428,9 @@ void dpc_process_error(struct pci_dev *pdev); pci_ers_result_t dpc_reset_link(struct pci_dev *pdev); bool pci_dpc_recovered(struct pci_dev *pdev); #else -static inline void pci_save_dpc_state(struct pci_dev *dev) {} -static inline void pci_restore_dpc_state(struct pci_dev *dev) {} -static inline void pci_dpc_init(struct pci_dev *pdev) {} +static inline void pci_save_dpc_state(struct pci_dev *dev) { } +static inline void pci_restore_dpc_state(struct pci_dev *dev) { } +static inline void pci_dpc_init(struct pci_dev *pdev) { } static inline bool pci_dpc_recovered(struct pci_dev *pdev) { return false; } #endif @@ -436,12 +442,12 @@ void pcie_walk_rcec(struct pci_dev *rcec, int (*cb)(struct pci_dev *, void *), void *userdata); #else -static inline void pci_rcec_init(struct pci_dev *dev) {} -static inline void pci_rcec_exit(struct pci_dev *dev) {} -static inline void pcie_link_rcec(struct pci_dev *rcec) {} +static inline void pci_rcec_init(struct pci_dev *dev) { } +static inline void pci_rcec_exit(struct pci_dev *dev) { } +static inline void pcie_link_rcec(struct pci_dev *rcec) { } static inline void pcie_walk_rcec(struct pci_dev *rcec, int (*cb)(struct pci_dev *, void *), - void *userdata) {} + void *userdata) { } #endif #ifdef CONFIG_PCI_ATS @@ -484,16 +490,9 @@ static inline int pci_iov_init(struct pci_dev *dev) { return -ENODEV; } -static inline void pci_iov_release(struct pci_dev *dev) - -{ -} -static inline void pci_iov_remove(struct pci_dev *dev) -{ -} -static inline void pci_restore_iov_state(struct pci_dev *dev) -{ -} +static inline void pci_iov_release(struct pci_dev *dev) { } +static inline void pci_iov_remove(struct pci_dev *dev) { } +static inline void pci_restore_iov_state(struct pci_dev *dev) { } static inline int pci_iov_bus_range(struct pci_bus *bus) { return 0; @@ -730,7 +729,7 @@ static inline int pci_dev_acpi_reset(struct pci_dev *dev, bool probe) { return -ENOTTY; } -static inline void pci_set_acpi_fwnode(struct pci_dev *dev) {} +static inline void pci_set_acpi_fwnode(struct pci_dev *dev) { } static inline int pci_acpi_program_hp_params(struct pci_dev *dev) { return -ENODEV; @@ -751,7 +750,7 @@ static inline pci_power_t acpi_pci_get_power_state(struct pci_dev *dev) { return PCI_UNKNOWN; } -static inline void acpi_pci_refresh_power_state(struct pci_dev *dev) {} +static inline void acpi_pci_refresh_power_state(struct pci_dev *dev) { } static inline int acpi_pci_wakeup(struct pci_dev *dev, bool enable) { return -ENODEV; |