sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

device: Add a helper to find device behind a PCI-to-PCI bridge device

Browse Source 
This change adds a helper function to find PCI device with dev# and
function# behind a PCI-to-PCI bridge device.

BUG=b:153858769
BRANCH=None
TEST=None

Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: Ie5672b35cda66431a0f1977f217bdf61d3012ace
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40474
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Furquan Shaikh
2020-04-16 08:25:58 -07:00
parent 86803784d3
commit 7778e5c55f
2 changed files with 17 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/include/device/device.h
View File

@@ -293,6 +293,10 @@ DEVTREE_CONST struct device *pcidev_path_on_root(pci_devfn_t devfn);
DEVTREE_CONST struct device *pcidev_path_on_bus(unsigned int bus, pci_devfn_t devfn);
DEVTREE_CONST struct device *pcidev_on_root(uint8_t dev, uint8_t fn);
DEVTREE_CONST struct bus *pci_root_bus(void);
/* Find PCI device with given D#:F# sitting behind the given PCI-to-PCI bridge device. */
DEVTREE_CONST struct device *pcidev_path_behind_pci2pci_bridge(
const struct device *bridge,
pci_devfn_t devfn);
/* To be deprecated, avoid using.
*