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authorKyösti Mälkki <kyosti.malkki@gmail.com>2018-05-20 10:31:23 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2019-01-04 12:14:42 +0000
commitad7674ed00a810b472b2f66b3f5b2e0edbea02de (patch)
treebca4a0a51a7b9563f59aea0cd1fffc309eeaf753 /src/northbridge
parente3682b6c1c14c8ad2253a3e5d19fb7dfe417c018 (diff)
downloadcoreboot-ad7674ed00a810b472b2f66b3f5b2e0edbea02de.tar.xz
device: Introduce pcidev_on_root() and friends
Semantics of dev_find_slot() are ill in the sense that it only works after device enumeration has completed in ramstage. Plan is to declare it as deprecated. Introduce pcidev_on_root() and pcidev_path_on_root() functions to replace cases where this was called with static argument bus == 0. New implementation only walks the root bus of the PCI tree, while old one walked the entire linked list of devices. Introduce pcidev_path_behind() to replace cases where argument bus != 0. The required parent node is typically one of the PCIe root functions that you locate using pcidev_on_root() above. New forms are safe to use with early devicetree and before PCI bus numbers have been assigned. Change-Id: Ie20598d48b4cf6e35e45fc90804bad4728437fc6 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/26447 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
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