On Thu, Jun 18, 2020 at 12:14:41PM +0300, Andy Shevchenko wrote: > On Thu, Jun 18, 2020 at 11:36 AM Greg Kroah-Hartman > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > > On Thu, Jun 18, 2020 at 11:12:56AM +0300, Andy Shevchenko wrote: > > > On Wed, Jun 17, 2020 at 10:56 PM Rajat Jain <rajatja@xxxxxxxxxx> wrote: > > > > On Wed, Jun 17, 2020 at 12:31 AM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > > > > > ... > > > > > > > (and likely call it "external" instead of "untrusted". > > > > > > Which is not okay. 'External' to what? 'untrusted' has been carefully > > > chosen by the meaning of it. > > > What external does mean for M.2. WWAN card in my laptop? It's in ACPI > > > tables, but I can replace it. > > > > Then your ACPI tables should show this, there is an attribute for it, > > right? > > There is a _PLD() method, but it's for the USB devices (or optional > for others, I don't remember by heart). So, most of the ACPI tables, > alas, don't show this. There is something like this for PCI as well, otherwise they wouldn't be getting this info from "the ether" :) thanks, greg k-h