After reset (e.g. complete reset) in order to bring the fenced PHB
back, the PCIe link might not be ready yet. The patch intends to
make sure the PCIe link is ready before accessing its subordinate
PCI devices. The patch also fixes that wrong values restored to
PCI_COMMAND register for PCI bridges.
On Tue, Jun 25, 2013 at 09:58:40PM +1000, Benjamin Herrenschmidt wrote:
>On Tue, 2013-06-25 at 18:00 +0800, Gavin Shan wrote:
>> After reset (e.g. complete reset) in order to bring the fenced PHB
>> back, the PCIe link might not be ready yet. The patch intends to
>> make sure the PCIe link is ready
On Tue, 2013-06-25 at 18:00 +0800, Gavin Shan wrote:
> After reset (e.g. complete reset) in order to bring the fenced PHB
> back, the PCIe link might not be ready yet. The patch intends to
> make sure the PCIe link is ready before accessing its subordinate
> PCI devices. The patch also fixes that w
After reset (e.g. complete reset) in order to bring the fenced PHB
back, the PCIe link might not be ready yet. The patch intends to
make sure the PCIe link is ready before accessing its subordinate
PCI devices. The patch also fixes that wrong values restored to
PCI_COMMAND register for PCI bridges.
