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[209.85.217.49]) by smtp.gmail.com with ESMTPSA id q187sm771725vsq.12.2020.07.01.08.14.07 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2020 08:14:08 -0700 (PDT) Received: by mail-vs1-f49.google.com with SMTP id 64so7240940vsl.3 for ; Wed, 01 Jul 2020 08:14:07 -0700 (PDT) X-Received: by 2002:a05:6102:407:: with SMTP id d7mr19071366vsq.73.1593616447314; Wed, 01 Jul 2020 08:14:07 -0700 (PDT) MIME-Version: 1.0 References: <20200622144929.230498-1-dianders@chromium.org> <20200622074845.v4.3.I68222d0b5966f652f29dd3a73ab33551a6e3b7e0@changeid> <850240a0-a8c2-9bca-b17e-5452ce2f9c10@codeaurora.org> In-Reply-To: <850240a0-a8c2-9bca-b17e-5452ce2f9c10@codeaurora.org> From: Doug Anderson Date: Wed, 1 Jul 2020 08:13:56 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v4 3/4] nvmem: qfprom: Add fuse blowing support To: "Ravi Kumar Bokka (Temp)" Cc: Srinivas Kandagatla , Rob Herring , Bjorn Andersson , Andy Gross , mturney@codeaurora.org, Jeffrey Hugo , Rajendra Nayak , dhavalp@codeaurora.org, Sai Prakash Ranjan , sparate@codeaurora.org, linux-arm-msm , mkurumel@codeaurora.org, LKML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Wed, Jul 1, 2020 at 8:09 AM Ravi Kumar Bokka (Temp) wrote: > > Hi Doug, > I have tested v4 changes internally on target, if i am giving input as > unaligned address, it's not throwing any error message. You mean if you _read_ from an unaligned address, right? Yes, this is on purpose and by design. 1. It appears to work fine. 2. If we didn't allow this then we would break compatibility with existing dts files and existing users of sysfs that want to read here. -Doug