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 5D41CFBF3 for ; Mon, 15 May 2023 17:01:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9891C433EF; Mon, 15 May 2023 17:01:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684170076; bh=KfyS/YxF5LZLHZIgdO4TycYDLM86fZp8B4ciTUBLaT0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ISlDUt4Qip9ZrUqty2olIDYwHPXVPjPO+o1Ro/q2CR3WE79cAUtoEGA3XO1IwiUQV zoRJAOoQxOS6MsDyAzXENr1X4p/PXDrVp0hz1K+gbwZDUt15OEf5PZUgR/r118MtJ5 +uAw+gPtBO8WTnsVYqEr0Sf0GFZ3XRnm+kOb85HI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Tudor Ambarus , Takahiro Kuwano , Sasha Levin Subject: [PATCH 6.1 017/239] mtd: spi-nor: spansion: Enable JFFS2 write buffer for Infineon s25hx SEMPER flash Date: Mon, 15 May 2023 18:24:40 +0200 Message-Id: <20230515161722.106915271@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161721.545370111@linuxfoundation.org> References: <20230515161721.545370111@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Takahiro Kuwano [ Upstream commit 4199c1719e24e73be0acc8b0146fc31ad8af9771 ] Infineon(Cypress) SEMPER NOR flash family has on-die ECC and its program granularity is 16-byte ECC data unit size. JFFS2 supports write buffer mode for ECC'd NOR flash. Provide a way to clear the MTD_BIT_WRITEABLE flag in order to enable JFFS2 write buffer mode support. Fixes: b6b23833fc42 ("mtd: spi-nor: spansion: Add s25hl-t/s25hs-t IDs and fixups") Suggested-by: Tudor Ambarus Signed-off-by: Takahiro Kuwano Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/a1cc128e094db4ec141f85bd380127598dfef17e.1680760742.git.Takahiro.Kuwano@infineon.com Signed-off-by: Tudor Ambarus Signed-off-by: Sasha Levin --- drivers/mtd/spi-nor/spansion.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 581f209c27347..7e7c68fc7776d 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -260,13 +260,10 @@ static void s25hx_t_post_sfdp_fixup(struct spi_nor *nor) static void s25hx_t_late_init(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; - /* Fast Read 4B requires mode cycles */ - params->reads[SNOR_CMD_READ_FAST].num_mode_clocks = 8; + nor->params->reads[SNOR_CMD_READ_FAST].num_mode_clocks = 8; - /* The writesize should be ECC data unit size */ - params->writesize = 16; + cypress_nor_ecc_init(nor); } static struct spi_nor_fixups s25hx_t_fixups = { -- 2.39.2