From mboxrd@z Thu Jan 1 00:00:00 1970 From: okaya@codeaurora.org (Sinan Kaya) Date: Tue, 29 May 2018 19:41:43 -0700 Subject: [PATCH V2] PCI/portdrv: do not disable device on reboot/shutdown In-Reply-To: <20180525221024.GC92995@bhelgaas-glaptop.roam.corp.google.com> References: <1527043490-17268-1-git-send-email-okaya@codeaurora.org> <20180523213249.GD150632@bhelgaas-glaptop.roam.corp.google.com> <61f70fd6-52fd-da07-ce73-303f95132131@codeaurora.org> <20180524183502.GB85822@bhelgaas-glaptop.roam.corp.google.com> <984b9734-244d-04e9-946f-7524f148ff7c@codeaurora.org> <20180525221024.GC92995@bhelgaas-glaptop.roam.corp.google.com> Message-ID: <8eacc568-af8c-a990-ee96-d13e669e8643@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Bjorn, On 5/25/2018 3:10 PM, Bjorn Helgaas wrote: > On Fri, May 25, 2018 at 09:30:59AM -0400, Sinan Kaya wrote: >> On 5/24/2018 2:35 PM, Bjorn Helgaas wrote: >>> That sounds like a reasonable idea, and it is definitely another can >>> of worms. I looked briefly at some of the .shutdown() cases: >> >> should we throw it into 4.18 and see what happens? > > It wouldn't solve this particular problem because hpsa *does* have a > .shutdown() method. The problem is that it doesn't work -- it's > supposed to stop DMA and interrupts but it apparently doesn't. > > I think we need to fix hpsa first. > I don't know if you followed my latest V3 patch but I found a way to put these two together to reach to an, IMO, more acceptable solution. Sinan -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.