From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B3551338F26 for ; Wed, 12 Nov 2025 13:34:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762954466; cv=none; b=c0XwPsdm81kxu9nwGZ1F0myuOu/ay+WkSsymBsN/qq9aNiMK4U4j+hkIcvhFHCVi5eyrNoIulnXMw5yVYxVU16xHQiCypBJij0SyfERCHf5O+YhfJV4SfBNhiPLCwm01+lrPKGflM2aHakjJO3OeyNTYtJeJxC56A6BZ/AydBKY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762954466; c=relaxed/simple; bh=ja9YXOVmyXlMo8gAt1oJeN4Ik/humKwGB2i5IT6pF7k=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:From:To: References:In-Reply-To; b=I8xzVIbtv8HTFBKcc7s60FIdNNuIVYQEvmzajrlD/NIhH/rIkMQAYxmFVKQmRIKzhgTOHJRNBHE+Msd6Q5a4bVfCnvBTcoFr8MmjrncUVmJuCPOrROKICjxf9uOY3l4m91U40UWuGa4GNkf99tvO6oYqmKlSqkeDGZSEJdypFaY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AzvYZUG6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AzvYZUG6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E7C48C2BC9E; Wed, 12 Nov 2025 13:34:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762954466; bh=ja9YXOVmyXlMo8gAt1oJeN4Ik/humKwGB2i5IT6pF7k=; h=Date:Subject:Cc:From:To:References:In-Reply-To:From; b=AzvYZUG6T8ljAlwx1rplNvgQ4lkJEDYHfStzRM+6DSuUNNnWBZuYQLQ7ZFxxq+KKA C0DYGqACpBHEOACZbejmcB5WeVp/WaapOocY4aSxhskVK6HKvsyhlIsLX4BesEkYiO dTAMwxhxS0rKzyB0kIl63pOjTc4wmZ15yZMIkoUvyXvk3gxx83k7QZjo3znDyhMsGa M/UjJrG7l2NUkN8kR5V/jurO038WXBLmj5BuxfI6LERX4Alllwjx04LHVksvGeV4FC fIArB8duY3Pj2mbBz01UrR8RZ0su3eUOiLssvYhjtT47jbF0Mytd6Wbwo/+qIqQxH3 /kRmkQd69OLMg== Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: multipart/signed; boundary=b3637e902dd604fe5ec42f6df36a18ffc2ee0a23019ae188bc6a3714ab41; micalg=pgp-sha384; protocol="application/pgp-signature" Date: Wed, 12 Nov 2025 14:34:20 +0100 Message-Id: Subject: Re: [PATCH] mtd: spi-nor: Enable locking for n25q00a Cc: "Tudor Ambarus" , "Pratyush Yadav" , , "Richard Weinberger" , , "Vignesh Raghavendra" From: "Michael Walle" To: "Miquel Raynal" , "Sean Anderson" X-Mailer: aerc 0.20.0 References: <20251006223409.3475001-1-sean.anderson@linux.dev> <4888cefa-e8be-4f0d-9d4a-c82f9ff6cda0@linux.dev> <26a795ac-e6ff-4363-a8b9-38793a9be794@linux.dev> <33cbbac1-c247-4644-b555-998eea6e8305@linaro.org> <92e99a96-5582-48a5-a4f9-e9b33fcff171@linux.dev> <871pm3iegf.fsf@bootlin.com> <87v7jfgzfw.fsf@bootlin.com> In-Reply-To: <87v7jfgzfw.fsf@bootlin.com> --b3637e902dd604fe5ec42f6df36a18ffc2ee0a23019ae188bc6a3714ab41 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 On Wed Nov 12, 2025 at 2:20 PM CET, Miquel Raynal wrote: > I forgot to mention: I don't like this interface because it is not very > user friendly, but this is uAPI, so set in stone. As part of my journey > in the SPI NOR swp.c file, I wrote a debugfs interface to help > visualizing what is actually locked. It is absolutely trivial to do and > helps a lot. We might want to use that for writing some kind of testing > procedure =E2=80=94 I will share it soon. Yes please, that sounds very good. We might also want to just raw dump the SR (and maybe CR/SR2 if we somehow can infer it's existence). -michael --b3637e902dd604fe5ec42f6df36a18ffc2ee0a23019ae188bc6a3714ab41 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCaRSM3RIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/gDAgF+Kz34DlIHnAjAN8Fa3lW/a4pKAyexadrS oTrkVV2UCSiwsAWS4Rrmu138+YuX/MkQAYDnGzUABONiUOXmmah/J2PV6Bq2Xd85 WPMYdF8aVjXrfja0/0yRr0nM0hjPp4Q1HrY= =Tl0m -----END PGP SIGNATURE----- --b3637e902dd604fe5ec42f6df36a18ffc2ee0a23019ae188bc6a3714ab41--