Hi Pratyush, On Friday 10 July 2015 06:52 PM, Pratyush Anand wrote: > 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 don't have any cards with IO space memory. Do you have any suggestion for cards with IO space memory? > I think you might need to require clear and enable PCI_COMMAND_IO > in suspend and resume respectively. okay. Thanks Kishon -- 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