Snipped... > > > > > > Hello Richard, > > > I have one curiosity on this topic. Does this works well in case the > > > regulator is shared? I just want to be sure that if the regulator is > > > shared everything is working fine even if the PCI-E link is not used or not > coming up for any reason. > > > > > [Richard Zhu] Hi Francesco: > > Actually, this regulator used by i.MX PCIe controller driver is one fixed gpio > regulator. > > Refer to my understand, this regulator is not shared by different devices. > > > > Up to now, it works fine to power up the PCIe slot populated on the HW > board. > > Isn't this something that depend on the actual board design? From the driver > point of view you should not silently enforce such design requirement on the > board. > Am I missing something here? Would be glad to you if you can clarify in case. > [Richard Zhu] Yes, it is relied on the actual HW board design. This regulator is one optional, not mandatory required for all the board designs. So, there is one _enabled or not check before manipulate this regulator. BR Richard > Francesco >
