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| author | Shanker Donthineni <sdonthineni@nvidia.com> | 2021-08-17 23:34:59 +0530 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2021-08-18 17:32:42 -0500 |
| commit | 6937b7dd434962377e00efc04adac0390c287199 (patch) | |
| tree | 59b281bc05bce2d5fa7407458423c873c453acc9 /include/linux/pci.h | |
| parent | 375553a93201a58a52f142eab19545a07aa1eaf5 (diff) | |
| download | lwn-6937b7dd434962377e00efc04adac0390c287199.tar.gz lwn-6937b7dd434962377e00efc04adac0390c287199.zip | |
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 <alex.williamson@redhat.com>
Link: https://lore.kernel.org/r/20210817180500.1253-9-ameynarkhede03@gmail.com
Signed-off-by: Shanker Donthineni <sdonthineni@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Sinan Kaya <okaya@kernel.org>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index d1f4d248617b..98718f46a61c 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -50,7 +50,7 @@ PCI_STATUS_PARITY) /* Number of reset methods used in pci_reset_fn_methods array in pci.c */ -#define PCI_NUM_RESET_METHODS 6 +#define PCI_NUM_RESET_METHODS 7 /* * The PCI interface treats multi-function devices as independent |