[U-Boot] [PATCH v3 1/4] dm: pci: Allow a PCI bus to be found without an alias

[Simon Glass]

On 1 September 2015 at 00:25, Bin Meng <bmeng.cn at gmail.com> wrote:
> On Tue, Sep 1, 2015 at 8:55 AM, Simon Glass <sjg at chromium.org> wrote:
>> At present, until a PCI bus is probed, it cannot be found by its sequence
>> number unless it has an alias. This is the same with any device.
>>
>> However with PCI this is more annoying than usual, since bus 0 is always the
>> same device.
>>
>> Add a function that tries a little harder to locate PCI bus 0. This means
>> that PCI enumeration will happen automatically on the first access.
>>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> ---
>>
>> Changes in v3:
>> - Correct failure logic in pci_get_bus()
>> - Use pci_get_bus in pci_bus_to_hose()
>>
>> Changes in v2:
>> - Adjust pci_get_bus() to probe bus 0 so that the required bus is found
>>
>>  drivers/pci/pci-uclass.c | 28 ++++++++++++++++++++++++----
>>  1 file changed, 24 insertions(+), 4 deletions(-)
>>
[snip]

> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>

Applied to u-boot-x86.