From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philipp Zabel Subject: Re: [PATCH v3 05/24] ARM: dts: imx6qdl-sabrelite: remove erratum ERR006687 workaround Date: Fri, 13 Jan 2017 12:59:32 +0100 Message-ID: <1484308772.31475.25.camel@pengutronix.de> References: <1483755102-24785-1-git-send-email-steve_longerbeam@mentor.com> <1483755102-24785-6-git-send-email-steve_longerbeam@mentor.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1483755102-24785-6-git-send-email-steve_longerbeam@mentor.com> Sender: linux-media-owner@vger.kernel.org To: Steve Longerbeam Cc: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, kernel@pengutronix.de, fabio.estevam@nxp.com, linux@armlinux.org.uk, mchehab@kernel.org, hverkuil@xs4all.nl, nick@shmanahar.org, markus.heiser@darmarIT.de, laurent.pinchart+renesas@ideasonboard.com, bparrot@ti.com, geert@linux-m68k.org, arnd@arndb.de, sudipm.mukherjee@gmail.com, minghsiu.tsai@mediatek.com, tiffany.lin@mediatek.com, jean-christophe.trotin@st.com, horms+renesas@verge.net.au, niklas.soderlund+renesas@ragnatech.se, robert.jarzmik@free.fr, songjun.wu@microchip.com, andrew-ct.chen@mediatek.com, gregkh@linuxfoundation.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, devel@driverdev.osuosl.org, Steve Longerbeam List-Id: devicetree@vger.kernel.org Am Freitag, den 06.01.2017, 18:11 -0800 schrieb Steve Longerbeam: > There is a pin conflict with GPIO_6. This pin functions as a power > input pin to the OV5642 camera sensor, but ENET uses it as the h/w > workaround for erratum ERR006687, to wake-up the ARM cores on normal > RX and TX packet done events. So we need to remove the h/w workaround > to support the OV5642. The result is that the CPUidle driver will no > longer allow entering the deep idle states on the sabrelite. > > This is a partial revert of > > commit 6261c4c8f13e ("ARM: dts: imx6qdl-sabrelite: use GPIO_6 for FEC > interrupt.") > commit a28eeb43ee57 ("ARM: dts: imx6: tag boards that have the HW workaround > for ERR006687") > > Signed-off-by: Steve Longerbeam Pity this has to be removed for all, Nitrogen6X should really use DT overlays for the add-on boards / cameras. regards Philipp