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| author | Bill XIE <persmule@hardenedlinux.org> | 2022-08-02 22:55:51 +0800 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2022-08-07 19:41:38 +0000 |
| commit | 513d359dad3a99c13846f4e97b372ec98d245695 (patch) | |
| tree | 7cbd42b71dde4c9908bd69058e816bd685f9beab /src/include/device/pci.h | |
| parent | a43380e3d5637b5d2e23b001a5c2519696a21c5d (diff) | |
| download | coreboot-513d359dad3a99c13846f4e97b372ec98d245695.tar.gz coreboot-513d359dad3a99c13846f4e97b372ec98d245695.tar.bz2 coreboot-513d359dad3a99c13846f4e97b372ec98d245695.zip | |
pci_device: Add a function to find PCI capability ID recursively
Some PCI capabilities should only be enabled if it is available not
only on a device, but also all bridge upstream of it. Checking only
the device and the bridge just above it may not be enough.
Signed-off-by: Bill XIE <persmule@hardenedlinux.org>
Change-Id: I1237d3b4b86dd0ae5eb586e3c3c407362e6ca291
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66383
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/include/device/pci.h')
| -rw-r--r-- | src/include/device/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/device/pci.h b/src/include/device/pci.h index f2e250631e45..f28f319d8cc6 100644 --- a/src/include/device/pci.h +++ b/src/include/device/pci.h @@ -97,6 +97,7 @@ void pci_dev_set_subsystem(struct device *dev, unsigned int vendor, unsigned int device); void pci_dev_init(struct device *dev); unsigned int pci_match_simple_dev(struct device *dev, pci_devfn_t sdev); +uint16_t pci_find_cap_recursive(const struct device *dev, uint16_t cap); const char *pin_to_str(int pin); int get_pci_irq_pins(struct device *dev, struct device **parent_bdg); |