Hi Geert, Thanks for the feedback. > Subject: Re: [PATCH] ARM: dts: iwg20d-q7-common: Fix touch controller > probe failure > > Hi Biju, > > On Thu, Sep 24, 2020 at 10:05 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > wrote: > > As per the iWave RZ/G1M schematic, the signal LVDS_PPEN controls > > supply voltage for touch panel, LVDS receiver and RGB LCD panel. Add > > regulator for these device nodes and remove powerdown-gpios property > > from lvds-receiver node as it results in touch controller driver probe failure. > > > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > --- > > v4->v5 : Restored Laurent's Rb tag, since it is minor change, renaming > > v4->vcc-supply to power-supply > > > > v3->v4 : Incorporated Laurent's review > > v3->comments(https://patchwork.kernel.org/patch/11707887/) > > Added Laurent's Reviewed-by tag > > v2->v3 : Added the missing part from the patch. removal of powerdown- > gpios property. > > v1->v2 : Add regulator in touch panel, LVDS receiver and RGB LCD panel > > v1->device nodes > > (Ref: https://patchwork.kernel.org/patch/11707559/) > > v1 : https://patchwork.kernel.org/patch/11705819/ > > Thanks for the update! > > As the prerequisites are now in next, I can queue this in renesas-devel for > v5.11 after v5.10-rc1 has been released. > Or do you think this should be fast-tracked as a fix for v5.10 or v5.9? I think it should be fast tracked, since it is a regression. Also we need to fast track the dependency patches as well. Fixes: 6f89dd9e9325 ("ARM: dts: iwg20d-q7-common: Add LCD support") [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20200923&id=946a61ab2d758cc645f6e63f1a5e2731690c3943 [2] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20200923&id=2cd9df2be75766452fef87c37ec37d91f4cbaf6b > I.e. is this an actual regression, or just something that never worked before? > Note that v1 had a Fixes tag, which was lost in subsequent versions. I missed to add fixes tag in subsequent versions. Fixes: 6f89dd9e9325 ("ARM: dts: iwg20d-q7-common: Add LCD support") Cheers, Biju Renesas Electronics Europe GmbH, Geschaeftsfuehrer/President: Carsten Jauch, Sitz der Gesellschaft/Registered office: Duesseldorf, Arcadiastrasse 10, 40472 Duesseldorf, Germany, Handelsregister/Commercial Register: Duesseldorf, HRB 3708 USt-IDNr./Tax identification no.: DE 119353406 WEEE-Reg.-Nr./WEEE reg. no.: DE 14978647