From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: Re: [PATCHv7 00/36] ARM: OMAP: clock data conversion to DT Date: Thu, 10 Oct 2013 10:18:06 +0300 Message-ID: <525654AE.7060009@ti.com> References: <1380098922-30340-1-git-send-email-t-kristo@ti.com> <524EE00F.7010208@ti.com> <20131007021556.GV8949@atomide.com> <52525642.8010307@ti.com> <20131007154103.GW8949@atomide.com> <20131007190322.GY8949@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-omap-owner@vger.kernel.org To: Paul Walmsley , Tony Lindgren , mturquette@linaro.org Cc: linux-omap@vger.kernel.org, nm@ti.com, khilman@linaro.org, pdeschrijver@nvidia.com, rnayak@ti.com, bcousson@baylibre.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, swarren@nvidia.com, mark.rutland@arm.com List-Id: devicetree@vger.kernel.org On 10/09/2013 09:59 PM, Paul Walmsley wrote: > Eh, one correction: > > On Wed, 9 Oct 2013, Paul Walmsley wrote: > >> We could easily wind up with kernels that won't boot at all when used >> with newer DT data. > > This is a misstatement of the issue: the concern here is that newer > kernels may not boot at all with older DT data - which could easily be in > locked areas of the flash or firmware. I wonder who would be crazy enough to put DT data into a locked area, and to what purpose. If you can update the kernel, there is no point locking down DT data, this will just cause you unnecessary misery. -Tero From mboxrd@z Thu Jan 1 00:00:00 1970 From: t-kristo@ti.com (Tero Kristo) Date: Thu, 10 Oct 2013 10:18:06 +0300 Subject: [PATCHv7 00/36] ARM: OMAP: clock data conversion to DT In-Reply-To: References: <1380098922-30340-1-git-send-email-t-kristo@ti.com> <524EE00F.7010208@ti.com> <20131007021556.GV8949@atomide.com> <52525642.8010307@ti.com> <20131007154103.GW8949@atomide.com> <20131007190322.GY8949@atomide.com> Message-ID: <525654AE.7060009@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 10/09/2013 09:59 PM, Paul Walmsley wrote: > Eh, one correction: > > On Wed, 9 Oct 2013, Paul Walmsley wrote: > >> We could easily wind up with kernels that won't boot at all when used >> with newer DT data. > > This is a misstatement of the issue: the concern here is that newer > kernels may not boot at all with older DT data - which could easily be in > locked areas of the flash or firmware. I wonder who would be crazy enough to put DT data into a locked area, and to what purpose. If you can update the kernel, there is no point locking down DT data, this will just cause you unnecessary misery. -Tero