From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH V3 1/4] clk: tegra: mark fuse clock as critical Date: Tue, 7 Jan 2020 09:44:33 -0700 Message-ID: <0902e0c7-5d71-e7aa-ee5d-21933e1b47fe@wwwdotorg.org> References: <20191003205033.98381-1-swarren@wwwdotorg.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191003205033.98381-1-swarren@wwwdotorg.org> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Thierry Reding Cc: Prashant Gaikwad , Stephen Boyd , Peter De Schrijver , linux-clk@vger.kernel.org, Jonathan Hunter , linux-tegra@vger.kernel.org, Michael Turquette , linux-arm-kernel@lists.infradead.org List-Id: linux-tegra@vger.kernel.org On 10/3/19 2:50 PM, Stephen Warren wrote: > From: Stephen Warren > > For a little over a year, U-Boot on Tegra124 has configured the flow > controller to perform automatic RAM re-repair on off->on power transitions > of the CPU rail1]. This is mandatory for correct operation of Tegra124. > However, RAM re-repair relies on certain clocks, which the kernel must > enable and leave running. The fuse clock is one of those clocks. Mark this > clock as critical so that LP1 power mode (system suspend) operates > correctly. > > [1] 3cc7942a4ae5 ARM: tegra: implement RAM repair Thierry, this series doesn't seem to be applied yet; could you please take a look? Thanks.