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pci: Avoid auto-config when chain loading

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When U-Boot is not the first-stage bootloader we don't want to
re-configure the PCI devices, since this has already been done. Add a
check to avoid this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-04-26 09:12:56 -06:00 committed by Bin Meng
parent 526aabec24
commit f1f4438218
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/pci-uclass.c
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@ -1009,7 +1009,7 @@ static int pci_uclass_post_probe(struct udevice *bus)
if (ret)
return ret;
if (CONFIG_IS_ENABLED(PCI_PNP) &&
if (CONFIG_IS_ENABLED(PCI_PNP) && ll_boot_init() &&
(!hose->skip_auto_config_until_reloc ||
(gd->flags & GD_FLG_RELOC))) {
ret = pci_auto_config_devices(bus);
@ -1031,7 +1031,7 @@ static int pci_uclass_post_probe(struct udevice *bus)
* Note we only call this 1) after U-Boot is relocated, and 2)
* root bus has finished probing.
*/
if ((gd->flags & GD_FLG_RELOC) && (bus->seq == 0)) {
if ((gd->flags & GD_FLG_RELOC) && bus->seq == 0 && ll_boot_init()) {
ret = fsp_init_phase_pci();
if (ret)
return ret;