Hi Mika > -----Original Message----- > From: Mika Westerberg [mailto:mika.westerberg@xxxxxxxxxxxxxxx] > Sent: 19 June 2017 11:02 > To: Gabriele Paoloni > Cc: Rafael J. Wysocki; Lorenzo Pieralisi; Rafael J. Wysocki; > catalin.marinas@xxxxxxx; will.deacon@xxxxxxx; robh+dt@xxxxxxxxxx; > frowand.list@xxxxxxxxx; bhelgaas@xxxxxxxxxx; arnd@xxxxxxxx; linux-arm- > kernel@xxxxxxxxxxxxxxxxxxx; mark.rutland@xxxxxxx; > brian.starkey@xxxxxxx; olof@xxxxxxxxx; benh@xxxxxxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx; Linuxarm; linux- > pci@xxxxxxxxxxxxxxx; minyard@xxxxxxx; John Garry; xuwei (O) > Subject: Re: [PATCH v9 5/7] ACPI: Translate the I/O range of non-MMIO > devices before scanning > > On Mon, Jun 19, 2017 at 09:50:49AM +0000, Gabriele Paoloni wrote: > > Many thanks for your response and your help here. > > > > I guess that as conclusion with respect to the current v9 patchset we > can > > disregard the idea of MFD and modify the current v9 so that it > doesn't > > touch directly ACPI resources. > > Instead as I proposed before we can have the scan handler to > enumerate > > the children devices and translate its addresses filling dev- > >resources[] and > > at the same time we can modify acpi_default_enumeration to check > > acpi_device_enumerated() before continuing with device > enumeration...? > > > > Do you think it as a viable solution? > > No, I think MFD + scan handler inside the MFD driver is the way to go. > We don't want to trash ACPI core with stuff that does not belong there > IMHO. Ok Many thanks I will investigate this direction > > Also you don't need to modify acpi_default_enumeration() because you > can > mark your device enumerated in the MFD driver. So all the dirty details > will be in the MFD driver and not in ACPI core. Ok got it :) Cheers Gab
