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| author | Subrata Banik <subrata.banik@intel.com> | 2021-06-10 13:04:07 +0530 |
|---|---|---|
| committer | Subrata Banik <subrata.banik@intel.com> | 2021-06-17 06:48:45 +0000 |
| commit | ed5c7ac03109c325151ed5ced779c93540418f72 (patch) | |
| tree | 05f436b9b4409ddf51a0dfdad0a6caf68557098d /src/device | |
| parent | 857c0cc332685d2401760c38d1f9c462088bae86 (diff) | |
| download | coreboot-ed5c7ac03109c325151ed5ced779c93540418f72.tar.gz coreboot-ed5c7ac03109c325151ed5ced779c93540418f72.tar.bz2 coreboot-ed5c7ac03109c325151ed5ced779c93540418f72.zip | |
device: Add helper function devfn_disable()
devfn_disable() function is used to disable a device based on
given bus, device function number. This function checks if the
device is at enable state and disables the device.
Change-Id: Ia4a8bfec7fc95c729a5bb156f88e9aab3bf5dd41
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55354
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/device')
| -rw-r--r-- | src/device/device.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/device/device.c b/src/device/device.c index bf97997f5515..8337d5530054 100644 --- a/src/device/device.c +++ b/src/device/device.c @@ -21,6 +21,13 @@ extern struct device *last_dev; /** Linked list of free resources */ struct resource *free_resources = NULL; +/* Disable a PCI device based on bus, device and function. */ +void devfn_disable(const struct bus *bus, unsigned int devfn) +{ + struct device *dev = pcidev_path_behind(bus, devfn); + if (dev) + dev->enabled = 0; +} /** * Initialize all chips of statically known devices. |