Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-14 00:47:26 +00:00
Code Issues Projects Releases Packages Wiki Activity

pci: Show a message if PCI autoconfig fails

Browse source 
At present this fails silently which can be confusing since some devices
on the PCI bus may not work correctly. Show a message in this case.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: add a '\n' in the PCI autoconfig fail message]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-09-25 08:56:16 -06:00 committed by Bin Meng
parent f365152a55
commit 6a73cf3d8f
1 changed files with 9 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/pci/pci_auto.c
View file

@ -39,6 +39,8 @@ void dm_pciauto_setup_device(struct udevice *dev, int bars_num,
for (bar = PCI_BASE_ADDRESS_0; for (bar = PCI_BASE_ADDRESS_0;
bar < PCI_BASE_ADDRESS_0 + (bars_num * 4); bar += 4) { bar < PCI_BASE_ADDRESS_0 + (bars_num * 4); bar += 4) {
int ret = 0;
/* Tickle the BAR and get the response */ /* Tickle the BAR and get the response */
if (!enum_only) if (!enum_only)
dm_pci_write_config32(dev, bar, 0xffffffff); dm_pci_write_config32(dev, bar, 0xffffffff);
@ -97,9 +99,13 @@ void dm_pciauto_setup_device(struct udevice *dev, int bars_num,
(unsigned long long)bar_size); (unsigned long long)bar_size);
} }
if (!enum_only && pciauto_region_allocate(bar_res, bar_size, if (!enum_only) {
&bar_value, ret = pciauto_region_allocate(bar_res, bar_size,
found_mem64) == 0) { &bar_value, found_mem64);
if (ret)
printf("PCI: Failed autoconfig bar %x\n", bar);
}
if (!enum_only && !ret) {
/* Write it out and update our limit */ /* Write it out and update our limit */
dm_pci_write_config32(dev, bar, (u32)bar_value); dm_pci_write_config32(dev, bar, (u32)bar_value);