diff options
| author | Shanker Donthineni <[email protected]> | 2021-08-17 23:34:59 +0530 |
|---|---|---|
| committer | Bjorn Helgaas <[email protected]> | 2021-08-18 17:32:42 -0500 |
| commit | 6937b7dd434962377e00efc04adac0390c287199 (patch) | |
| tree | 59b281bc05bce2d5fa7407458423c873c453acc9 /drivers/pci/pci.c | |
| parent | 375553a93201a58a52f142eab19545a07aa1eaf5 (diff) | |
PCI: Add support for ACPI _RST reset method
_RST is a standard ACPI method that performs a function level reset of a
device (ACPI v6.3, sec 7.3.25).
Add pci_dev_acpi_reset() to probe for _RST method and execute if present.
The default priority of this reset is set to below device-specific and
above hardware resets.
Suggested-by: Alex Williamson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Shanker Donthineni <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Sinan Kaya <[email protected]>
Reviewed-by: Alex Williamson <[email protected]>
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 6da5f6d87f6a..4d9828160c48 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -5126,6 +5126,7 @@ static void pci_dev_restore(struct pci_dev *dev) static const struct pci_reset_fn_method pci_reset_fn_methods[] = { { }, { pci_dev_specific_reset, .name = "device_specific" }, + { pci_dev_acpi_reset, .name = "acpi" }, { pcie_reset_flr, .name = "flr" }, { pci_af_flr, .name = "af_flr" }, { pci_pm_reset, .name = "pm" }, |