From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38BDFC7EE2D for ; Mon, 15 May 2023 16:49:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243051AbjEOQtQ (ORCPT ); Mon, 15 May 2023 12:49:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54024 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243053AbjEOQtA (ORCPT ); Mon, 15 May 2023 12:49:00 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3961359CA for ; Mon, 15 May 2023 09:48:59 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id AF1BF6293C for ; Mon, 15 May 2023 16:48:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1859C4339B; Mon, 15 May 2023 16:48:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684169338; bh=KSWoIp/fqUhbfbJrdcU2UXGl33rwz5zbp+H/RsfZLaI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TYydwscWAZi3mDUKV22fl8Mu9T77y+hamqMAKZk81GqptAVpFVMXl5w2hr9bIvKtE MavebJG1mOZ/vIWT/23yIzdUVA6qPBHt15hTBuMPuwc3rCNY6foU1lCuIqlLBgjcQW /DscwxsQd5vhv/YxQgWbmOOmnHWUYS8wajsFWmpg= 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 6.3 008/246] mtd: spi-nor: spansion: Enable JFFS2 write buffer for Infineon s25hx SEMPER flash Date: Mon, 15 May 2023 18:23:40 +0200 Message-Id: <20230515161722.869713012@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161722.610123835@linuxfoundation.org> References: <20230515161722.610123835@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 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 4c34077f12162..27a3634762ad3 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -266,13 +266,10 @@ 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