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 C2D42311C35; Fri, 13 Mar 2026 11:04:21 +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=1773399861; cv=none; b=cljVQGBSu+OLT/xiV2JaPFU9wnpMiNxLddSB7+Bs/Pkjra2gl76lwp02+QVsdl4WnLzIdh3Qh5z7jclSCrIQPVXt5IDcQ0qKg1ysrq2B8vos76yda6kijMbo87ucjG2uUvotyms3U5/TJQe8ELQinQZjsSugaK+hgobmPEoW8I8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773399861; c=relaxed/simple; bh=aDY7aDvju9S0EycKm7uyON4BJEJMwtI97NvuRv3BhK8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=DTaeOVNgbSt2iDypNY8CeH+U7627VQuQUoC/5BD+1GGADhCLQNUP1GVFx2UuOz/t/3QBR4FpEbtjAbr31EXlyO6B8QlBKqAGckyRcaJoGmuOcStgz7PYwWa34gc/2yjb55Louxmx+fkHrxL4I74L3uBptHN3MJ8e1BveJvnXDQQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tdaxiyrt; 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="tdaxiyrt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36EC0C19421; Fri, 13 Mar 2026 11:04:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773399861; bh=aDY7aDvju9S0EycKm7uyON4BJEJMwtI97NvuRv3BhK8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=tdaxiyrtxhzO4ftXor8cTENoD/FIZTK68iKKFalpNdkeHI1FSjWQgh1SPwgua8p7D rPdyXyu30pSK1YBAFK8tE9J0oIRLBQNZhAbJ0f1zcb5fAIBMFrpGHHmKs2pYmP/l/e B4GRER4/pwo1Lt5EW52R33Qqx2RkQEkoEXB9TAHSxdfMLnu0XOYlEdKGUUpt3Elv4D zPb15B3TEiD161LQ9MBn6bZ8FHWfB/8VvX31WVREFID/zrIR4kC74emWcKY53UD6z/ r6LzM2sR7qPMjm7XfzBfFYVhVHcYV73HtFXdAYLWQTVC7hUlcAJLgMTMFboYxDlttC OkF+sTFjUHrkA== From: Pratyush Yadav To: Haibo Chen Cc: Tudor Ambarus , Pratyush Yadav , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, han.xu@nxp.com Subject: Re: [PATCH v3] mtd: spi-nor: micron-st: add SNOR_CMD_PP_8_8_8_DTR sfdp fixup for mt35xu512aba In-Reply-To: <20251223-nor-v3-1-09e26797a8b5@nxp.com> (Haibo Chen's message of "Tue, 23 Dec 2025 11:01:02 +0800") References: <20251223-nor-v3-1-09e26797a8b5@nxp.com> Date: Fri, 13 Mar 2026 11:04:17 +0000 Message-ID: <2vxz8qbwf0su.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Tue, Dec 23 2025, 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 Applied to spi-nor/next. Thanks! [...] -- Regards, Pratyush Yadav