[RESEND PATCH v3 4/7] pci: Avoid auto-config when chain loading
Simon Glass
sjg at chromium.org
Wed Apr 8 20:57:52 CEST 2020
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 at chromium.org>
---
Changes in v3: None
Changes in v2:
- Drop patch 'dm: Avoid initing built-in devices when chain loading'
drivers/pci/pci-uclass.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index e2882e3b634..94733662b12 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -1007,7 +1007,7 @@ 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);
@@ -1029,7 +1029,7 @@ 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;
--
2.26.0.292.g33ef6b2f38-goog
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