Hi Kishon, On Fri, Jul 3, 2015 at 4:33 PM, Kishon Vijay Abraham I <kishon@xxxxxx> wrote: > Certain platforms require MSE bit to be cleared to set the master > in standby mode. (In DRA7xx TRM_vE, section 24.9.4.5.2.2.1 PCIe > Controller Master Standby Behavior advises to use the clearing > of the local MSE bit to set the master in standby. Without this > some of the clocks do not idle). > > Cleared the MSE bit on suspend and enabled it back on resume. > This is required to get suspend/resume working. Have you tested with a card having IO space memory as well. I think you might need to require clear and enable PCI_COMMAND_IO in suspend and resume respectively. ~Pratyush -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
