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 DB1A73644C6; Mon, 9 Feb 2026 10:05:01 +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=1770631501; cv=none; b=XajY61Y2Fbd7RVfNVtOeutf3ZRv8F/Td485bUGV9EDTFAvxK62NBXY8L42XbNEr/12oJ1q+FsUTlaQJn1ffDvfb47W3ikjB2rXxyiKZIhOcohmyfhzzh7bmYz86vwJ+ZpChy+8x17jGQ7+9Zy4uPQ7ta8q2Tic05kJx2CMS1US8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770631501; c=relaxed/simple; bh=HWKJIQNONMVQSZ4SSnN2RacPR7HLBIc33yAACZJdKz0=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:From:To: References:In-Reply-To; b=aph7xFA2d13Q35pFr9I1o23zdX6VKOVZTBv+q+oK2QdUtqtxmzqdeW2i6MvvkzRnU38B1Z16OPZKpUz073vN49uqrEev2peL8y9DqfzQgCjJ5EKrbcYXOVT9SMAyxIg5k6I7MW2jTGdmIW7l373MClwc8hl+/7heMiwrgy/nnaw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=f1fn5+pj; 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="f1fn5+pj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14559C116C6; Mon, 9 Feb 2026 10:05:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770631501; bh=HWKJIQNONMVQSZ4SSnN2RacPR7HLBIc33yAACZJdKz0=; h=Date:Subject:Cc:From:To:References:In-Reply-To:From; b=f1fn5+pj4ITHRHHkNblo7H2WXpzkCo+/DzDlxL7FmJtxlsv6yqOKShGFCPbomxUEv 4BXxWvLJfM16FPKdItEfenlgWxuzWZb2fm6oqeUTepDzJGKt2mpnwf/T5SwwgVKls7 c8FCtV5qxr7mSS+jn36NGGRVRyVMsptDQBqiLBvhqTgo2t2o8rWnh3olVawVy5lRhO 9gWERGs8+x4+C7Kwx+j+moooorCRMJTJQrGq1ghoVgeTRLP+ES6ZAA+bRo8/t0Q6lL Sm5FF+CrIvVo2FgGtBPID7SNlr+7/d2KhpX0vS2C573ph4gbkCep8HIXGfqYFFYUCF 4hRuMTd/5dedA== 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=96026a0e31e1c8ea8b7c7b82368b053a9042163358dd4836ab796c2f20bd; micalg=pgp-sha384; protocol="application/pgp-signature" Date: Mon, 09 Feb 2026 11:04:57 +0100 Message-Id: Subject: Re: [PATCH v3] mtd: spi-nor: micron-st: add SNOR_CMD_PP_8_8_8_DTR sfdp fixup for mt35xu512aba Cc: , , , From: "Michael Walle" To: "Haibo Chen" , "Tudor Ambarus" , "Pratyush Yadav" , "Miquel Raynal" , "Richard Weinberger" , "Vignesh Raghavendra" X-Mailer: aerc 0.20.0 References: <20251223-nor-v3-1-09e26797a8b5@nxp.com> In-Reply-To: <20251223-nor-v3-1-09e26797a8b5@nxp.com> --96026a0e31e1c8ea8b7c7b82368b053a9042163358dd4836ab796c2f20bd Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 On Tue Dec 23, 2025 at 4:01 AM CET, Haibo Chen wrote: > Find two batches mt35xu512aba has different SFDP but with same > jedec ID. The batch which use the new version of SFDP contain > all the necessary information to support OCT DTR mode. The batch > with old version do not contain the OCT DTR command information, > but in fact it did support OCT DTR mode. > > Current mt35xu512aba_post_sfdp_fixup() add some setting including > SNOR_CMD_READ_8_8_8_DTR, but still lack SNOR_CMD_PP_8_8_8_DTR. Meet > issue on the batch mt35xu512aba with old SFDP version. Because no > SNOR_CMD_PP_8_8_8_DTR, micron_st_nor_octal_dtr_en() will not be > called, then use SNOR_CMD_READ_8_8_8_DTR will meet issue. > > Fixes: 44dd635cd632 ("mtd: spi-nor: micron-st: use SFDP of mt35xu512aba") > Reviewed-by: Pratyush Yadav > Signed-off-by: Haibo Chen Reviewed-by: Michael Walle --96026a0e31e1c8ea8b7c7b82368b053a9042163358dd4836ab796c2f20bd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCaYmxSRIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/iCewF/VSY38d3rTvpLro4TmcOw0yK8cmKoLAm4 bJ2MOYpPmdS5hWjK5OJnXqCT9ur7qtLgAXsHJpY3Ck9DzjtgsRtJRnXY74pnT7JO 9YYdBz9Da8f/M8trY6b36LNnS90qyaPGMik= =GaJr -----END PGP SIGNATURE----- --96026a0e31e1c8ea8b7c7b82368b053a9042163358dd4836ab796c2f20bd--