Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH 1/6] PCI: acpiphp: do not check for SLOT_ENABLED in enable_device() | Date | Tue, 02 Jul 2013 03:29:49 +0200 |
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On Monday, July 01, 2013 09:36:13 PM Mika Westerberg wrote: > On Mon, Jul 01, 2013 at 04:01:37PM +0200, Rafael J. Wysocki wrote: > > > Given the fact that SLOT_ENABLED is only checked in acpiphp_enable_slot() > > > (after this patch) and that /sys/bus/pci/slots/*/power uses SLOT_POWEREDON > > > anyway, should we remove the whole flag? > > > > Sure, if it is not necessary any more, we should remove it. > > Well, there is one thing that changes due that. Once the flag is gone > userspace can do 'echo 1 > /sys/bus/pci/slots/*/power' several times and > the slot is always re-enumerated. > > If that is not acceptable we should probably move the SLOT_ENABLED check > closer to acpiphp_core:enable_device() and drop it from here, so that we > always re-enumerate on Bus Check event but userspace can only do enable > once (we still re-enumerate on Bus Check).
Yes, that sounds like the right thing to do.
Thanks, Rafael
-- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.
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