diff mbox series

[RESEND,v3,4/7] pci: Avoid auto-config when chain loading

Message ID 20200408125746.RESEND.v3.4.Idfdc61ea876ea7aeafb2370394ac2c922344f9b4@changeid
State Superseded
Headers show
Series x86: Improve support for chain-loading U-Boot | expand

Commit Message

Simon Glass April 8, 2020, 6:57 p.m. UTC 
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 mbox series

Patch

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;