From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Date: Tue, 09 Oct 2018 00:20:33 +0000 Subject: Re: [RESEND PATCH v2 3/3] ARM: dts: imx28-cfa10036: Fix the reset gpio signal polarity Message-Id: <20181009002031.GU3587@dragon> List-Id: References: <1538040281-21319-1-git-send-email-michal.vokac@ysoft.com> <1538040281-21319-3-git-send-email-michal.vokac@ysoft.com> <68f4da21-6f0d-5bf9-b352-cdc423269080@ysoft.com> In-Reply-To: <68f4da21-6f0d-5bf9-b352-cdc423269080@ysoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: =?utf-8?B?Vm9rw6HEjQ==?= Michal Cc: Bartlomiej Zolnierkiewicz , Fabio Estevam , Rob Herring , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-fbdev@vger.kernel.org" On Mon, Oct 08, 2018 at 11:45:36AM +0000, Vokáč Michal wrote: > On 27.9.2018 11:24, Michal Vokáč wrote: > > The reset signal of the SSD1306 OLED display is actually active-low. > > Adapt the DT to reflect the real world. > > > > Signed-off-by: Michal Vokáč > > --- > > v2 changes: New patch in the series > > Bartlomiej just queued the first two patches for v4.20. > Will somebody take this one? Otherwise this SoM will end up with > broken OLED display reset. Well, it means the change breaks the ABI between kernel and device tree, e.g. the new kernel will not work with existing/installed DTBs. Shawn