On Mon, Apr 14, 2025 at 06:11:44PM -0600, Keith Busch wrote: > On Tue, Feb 18, 2025 at 08:54:44AM -0800, Keith Busch wrote: > > From: Keith Busch <kbusch@xxxxxxxxxx> > > > > The spec does not provide any upper limit to how long a device may > > return Request Retry Status. It just says "Some devices require a > > lengthy self-initialization sequence to complete". The kernel > > arbitrarily chose 60 seconds since that really ought to be enough. But > > there are devices where this turns out not to be enough. > > > > Since any timeout choice would be arbitrary, and 60 seconds is generally > > more than enough for the majority of hardware, let's make this a > > parameter so an admin can adjust it specifically to their needs if the > > default timeout isn't appropriate. > > This patch is trying to address timings that have no spec defined > behavior, so making it user tunable sounds just more reasonable than a > kernel define. If we're not considering upstream options to make this > tunable, I think we have no choice but to continue with bespoke > out-of-tree solutions. Do we know the list of devices exhibiting this pattern? And does the time limit is deterministic? I'm just trying to see if it is possible to add quirks for those devices. - Mani -- மணிவண்ணன் சதாசிவம்
