From mboxrd@z Thu Jan 1 00:00:00 1970 From: helgaas@kernel.org (Bjorn Helgaas) Date: Thu, 9 Aug 2018 14:35:53 -0500 Subject: [PATCH v3 3/3] PCI: Intel DC P3700 NVMe delay after FLR quirk In-Reply-To: <20180724101849.36f635eb@t450s.home> References: <20180724160440.2729.75178.stgit@gimli.home> <20180724161446.2729.78211.stgit@gimli.home> <20180724101849.36f635eb@t450s.home> Message-ID: <20180809193553.GD113140@bhelgaas-glaptop.roam.corp.google.com> On Tue, Jul 24, 2018@10:18:48AM -0600, Alex Williamson wrote: > On Tue, 24 Jul 2018 10:14:46 -0600 > Alex Williamson wrote: > > > Add a device specific reset for Intel DC P3700 NVMe device which > > exhibits a timeout failure in drivers waiting for the ready status to > > update after NVMe enable if the driver interacts with the device too > > quickly after FLR. As this has been observed in device assignment > > scenarios, resolve this with a device specific reset quirk to add an > > additional, heuristically determined, delay after the FLR completes. > > > > Signed-off-by: Alex Williamson > > --- > > drivers/pci/quirks.c | 22 ++++++++++++++++++++++ > > 1 file changed, 22 insertions(+) > > I forgot to link the bz in this one, if this somehow becomes the final > version, please add: > > Link: https://bugzilla.redhat.com/show_bug.cgi?id=159265 Corrected link to: https://bugzilla.redhat.com/show_bug.cgi?id=1592654