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[83.165.45.250]) by smtp.gmail.com with ESMTPSA id t188sm3014743wmf.9.2021.01.13.05.43.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Jan 2021 05:43:40 -0800 (PST) From: Juan Quintela To: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Subject: Re: [RFC PATCH v6 05/11] hw/ssi: imx_spi: Rework imx_spi_reset() to keep CONREG register value In-Reply-To: <20210112183529.2011863-6-f4bug@amsat.org> ("Philippe =?utf-8?Q?Mathieu-Daud=C3=A9=22's?= message of "Tue, 12 Jan 2021 19:35:23 +0100") References: <20210112183529.2011863-1-f4bug@amsat.org> <20210112183529.2011863-6-f4bug@amsat.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) Date: Wed, 13 Jan 2021 14:43:39 +0100 Message-ID: <87eeipgdf8.fsf@secure.mitica> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=quintela@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=63.128.21.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: quintela@redhat.com Cc: Peter Maydell , Alistair Francis , Bin Meng , qemu-devel@nongnu.org, Jean-Christophe Dubois , qemu-arm@nongnu.org, Peter Chubb , Bin Meng Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Philippe Mathieu-Daud=C3=A9 wrote: > When the block is disabled, all registers are reset with the > exception of the ECSPI_CONREG. It is initialized to zero > when the instance is created. > > Ref: i.MX 6DQ Applications Processor Reference Manual (IMX6DQRM), > chapter 21.7.3: Control Register (ECSPIx_CONREG) > > Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Juan Quintela I trust your reading of the documentation O:-)