On Mon, Dec 9, 2013 at 11:35 AM, Rajat Jain <rajatjain@xxxxxxxxxxx> wrote: > Actually there are situations where the presence detect signal does not make much sense, because the card is not really plugged out physically. For e.g. how do we deal with PCIe end points that may be on the board itself, but say come out of reset after the bootup? Or go down during a firmware upgrade and again come back up after the upgrade? > That is driver's job. mpt2sas driver does diag_reset. Think about kernel that could even be compiled without pciehp built-in. Yinghai -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html