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| author | Bjorn Helgaas <bhelgaas@google.com> | 2020-12-15 15:11:08 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2020-12-15 15:11:08 -0600 |
| commit | a48e486b376bf78d945a0ccd772a5979042919c3 (patch) | |
| tree | 80d637a8c7aceb95b9486f8dc642356c41fdd338 /drivers/pci/pci.h | |
| parent | 6db645f99cc5357ab5520982b85396487c113dc9 (diff) | |
| parent | 2053230af11dc651ee3024682df12668496adad2 (diff) | |
| download | linux-a48e486b376bf78d945a0ccd772a5979042919c3.tar.bz2 | |
Merge branch 'pci/msi'
- Disable MSI for broken Pericom PCIe-USB adapter (Andy Shevchenko)
- Move MSI/MSI-X init to msi.c (Bjorn Helgaas)
- Move MSI/MSI-X flags updaters to msi.c (Bjorn Helgaas)
- Warn if we assign 64-bit MSI address to device that only supports 32-bit
MSI (Vidya Sagar)
* pci/msi:
PCI/MSI: Set device flag indicating only 32-bit MSI support
PCI/MSI: Move MSI/MSI-X flags updaters to msi.c
PCI/MSI: Move MSI/MSI-X init to msi.c
PCI: Use predefined Pericom Vendor ID
PCI: Disable MSI for Pericom PCIe-USB adapter
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 1a2a519d64d9..bb5df3f83c46 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -104,6 +104,8 @@ void pci_config_pm_runtime_get(struct pci_dev *dev); void pci_config_pm_runtime_put(struct pci_dev *dev); void pci_pm_init(struct pci_dev *dev); void pci_ea_init(struct pci_dev *dev); +void pci_msi_init(struct pci_dev *dev); +void pci_msix_init(struct pci_dev *dev); void pci_allocate_cap_save_buffers(struct pci_dev *dev); void pci_free_cap_save_buffers(struct pci_dev *dev); bool pci_bridge_d3_possible(struct pci_dev *dev); @@ -185,27 +187,6 @@ void pci_no_msi(void); static inline void pci_no_msi(void) { } #endif -static inline void pci_msi_set_enable(struct pci_dev *dev, int enable) -{ - u16 control; - - pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control); - control &= ~PCI_MSI_FLAGS_ENABLE; - if (enable) - control |= PCI_MSI_FLAGS_ENABLE; - pci_write_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, control); -} - -static inline void pci_msix_clear_and_set_ctrl(struct pci_dev *dev, u16 clear, u16 set) -{ - u16 ctrl; - - pci_read_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, &ctrl); - ctrl &= ~clear; - ctrl |= set; - pci_write_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, ctrl); -} - void pci_realloc_get_opt(char *); static inline int pci_no_d1d2(struct pci_dev *dev) |