From mboxrd@z Thu Jan 1 00:00:00 1970 From: kbusch@kernel.org (Keith Busch) Date: Tue, 30 Jul 2019 13:19:34 -0600 Subject: [Regression] Commit "nvme/pci: Use host managed power state for suspend" has problems In-Reply-To: <8246360B-F7D9-42EB-94FC-82995A769E28@canonical.com> References: <2332799.izEFUvJP67@kreacher> <4323ed84dd07474eab65699b4d007aaf@AUSX13MPC105.AMER.DELL.COM> <47415939.KV5G6iaeJG@kreacher> <20190730144134.GA12844@localhost.localdomain> <100ba4aff1c6434a81e47774ab4acddc@AUSX13MPC105.AMER.DELL.COM> <8246360B-F7D9-42EB-94FC-82995A769E28@canonical.com> Message-ID: <20190730191934.GD13948@localhost.localdomain> On Wed, Jul 31, 2019@02:50:01AM +0800, Kai-Heng Feng wrote: > > Just did a quick test, this patch regress SK Hynix BC501, the SoC stays at > PC3 once the patch is applied. Okay, I'm afraid device/platform quirks may be required unless there are any other ideas out there. I'm not a big fan of adding more params to this driver. Those are global to the module, so that couldn't really handle a platform with two different devices that want different behavior.