From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH v2] ARM: tegra: switch FUSE clock on before usage Date: Thu, 21 Nov 2013 13:30:16 -0700 Message-ID: <528E6D58.6050503@wwwdotorg.org> References: <1385001613-19098-1-git-send-email-acourbot@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1385001613-19098-1-git-send-email-acourbot@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Alexandre Courbot , Thierry Reding , Peter De Schrijver , Prashant Gaikwad Cc: linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-tegra@vger.kernel.org On 11/20/2013 07:40 PM, Alexandre Courbot wrote: > FUSE clock is enabled by most bootloaders, but we cannot expect it to be > on in all contexts (e.g. kexec). > > Ensure the FUSE clock is enabled before any of its registers is touched. > Since FUSE is touched very early during system boot (before the clock > devices are registered), directly manipulate the clock register bit in > case the clock device cannot be acquired. This looks reasonable to me. I'll apply it soon after -rc1. From mboxrd@z Thu Jan 1 00:00:00 1970 From: swarren@wwwdotorg.org (Stephen Warren) Date: Thu, 21 Nov 2013 13:30:16 -0700 Subject: [PATCH v2] ARM: tegra: switch FUSE clock on before usage In-Reply-To: <1385001613-19098-1-git-send-email-acourbot@nvidia.com> References: <1385001613-19098-1-git-send-email-acourbot@nvidia.com> Message-ID: <528E6D58.6050503@wwwdotorg.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 11/20/2013 07:40 PM, Alexandre Courbot wrote: > FUSE clock is enabled by most bootloaders, but we cannot expect it to be > on in all contexts (e.g. kexec). > > Ensure the FUSE clock is enabled before any of its registers is touched. > Since FUSE is touched very early during system boot (before the clock > devices are registered), directly manipulate the clock register bit in > case the clock device cannot be acquired. This looks reasonable to me. I'll apply it soon after -rc1.