From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 0/2] OMAP IOMMU fixes to go with 5.4 OMAP IOMMU changes Date: Fri, 18 Oct 2019 08:41:58 -0700 Message-ID: <20191018154158.GQ5610@atomide.com> References: <20190827001452.31930-1-s-anna@ti.com> <68474455-c997-a40e-74c4-ea3e0faa6c24@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <68474455-c997-a40e-74c4-ea3e0faa6c24-l0cyMroinI0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Suman Anna Cc: Tero Kristo , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Sakari Ailus , Laurent Pinchart , linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-omap@vger.kernel.org * Suman Anna [191017 23:00]: > Hi Tony, > > On 8/26/19 7:14 PM, Suman Anna wrote: > > Hi Tony, > > > > The following 2 patches need to go along with the recent "iommu/omap: misc > > fixes" series [1] that is currently staged [2] for a 5.4 merge and available > > in linux-next. That series added runtime pm callbacks in preparation for > > the ti-sysc migration, but without adding the necessary platform data > > callbacks for the existing functional MMUs on OMAP3, OMAP4 and OMAP5 SoCs. > > These 2 patches add the same to maintain the functionality (l3_noc errors > > are the visible symptom while enabling the MMUs without these patches). > > > > OMAP4 and OMAP5 would also need another set of fixes related to the > > breakage caused by the switch to clkctrl clocks as seen in [3]. > > > > These patches do have a dependency on the staged patches, so either you > > submit a pull-request towards 5.4-rc2 using 5.4-rc1 baseline, or let > > Joerg pick these through the arm/omap IOMMU branch for 5.4-rc1 itself. > > > > Sakari/Laurent, > > Appreciate it if you can check the OMAP3 ISP functionality on latest > > linux-next with the second patch. I have verified the ISP MMU programming > > only through an unit-test. > > > > Tero, > > I will be submitting another patch against OMAP IOMMU driver to skip the > > pdata callbacks for ti-sysc in the next couple of days. > > > > regards > > Suman > > > > [1] https://lore.kernel.org/linux-iommu/20190809153730.GF12930-zLv9SwRftAIdnm+yROfE0A@public.gmane.org/T/#mec99f8e8ed351689f4fcc76f4f000f9144a02b51 > > [2] https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git/log/?h=arm/omap > > [3] https://patchwork.kernel.org/patch/11082125/#22829477 > > > > Suman Anna (2): > > ARM: OMAP2+: Plug in device_enable/idle ops for IOMMUs > > ARM: OMAP2+: Add pdata for OMAP3 ISP IOMMU > > Can you please pick these patches up for 5.4-rc cycle? The OMAP IOMMU > changes that went in for 5.4-rc1 need the pdata to be plugged in. Oh OK. Sorry for missing these, I untagged them earlier as they produced kbuilder test failures as the dependencies were missing earlier. Applying both into fixes. Regards, Tony