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 8C498C2BA15 for ; Sat, 16 Sep 2023 12:24:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239288AbjIPMXu (ORCPT ); Sat, 16 Sep 2023 08:23:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239299AbjIPMXf (ORCPT ); Sat, 16 Sep 2023 08:23:35 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28EBDCF0 for ; Sat, 16 Sep 2023 05:23:29 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D7B9C433C7; Sat, 16 Sep 2023 12:23:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694867008; bh=bze/xEM+a6Q1K64IA2ZJS4f+pQxuzakoeAL9ISeXeIs=; h=Subject:To:Cc:From:Date:From; b=Uf98U8fnKdqV3wz67yeOC01KiQyDoyXzR28oR80eS2VfkBDyI//NyW0k8iVgwdQ5O /aXot2STfqgHLfCpZjIHIxuUit1R2I0+QmoRzlWsL5knYb6VoS853bDPyL8FIjk8Lt RCu95IF2zvjqVoygn9Uv1JkfwlPNz1HJal05H0/Q= Subject: FAILED: patch "[PATCH] mtd: spi-nor: spansion: preserve CFR2V[7] when writing MEMLAT" failed to apply to 5.15-stable tree To: Takahiro.Kuwano@infineon.com, tudor.ambarus@linaro.org Cc: From: Date: Sat, 16 Sep 2023 14:23:00 +0200 Message-ID: <2023091600-powdered-lanky-892a@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 1e611e104b9acb6310b8c684d5acee0e11ca7bd1 # git commit -s git send-email --to '' --in-reply-to '2023091600-powdered-lanky-892a@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 1e611e104b9a ("mtd: spi-nor: spansion: preserve CFR2V[7] when writing MEMLAT") d534fd9787d5 ("mtd: spi-nor: spansion: use CLPEF as an alternative to CLSR") 4095f4d9225a ("mtd: spi-nor: Fix divide by zero for spi-nor-generic flashes") df6def86b9dc ("mtd: spi-nor: spansion: Add support for s25hl02gt and s25hs02gt") 91f3c430f622 ("mtd: spi-nor: spansion: Add a new ->ready() hook for multi-chip device") 6c01ae11130c ("mtd: spi-nor: spansion: Rework cypress_nor_get_page_size() for multi-chip device support") e570f7872a34 ("mtd: spi-nor: Allow post_sfdp hook to return errors") 120c94a67b26 ("mtd: spi-nor: spansion: Rename method to cypress_nor_get_page_size") a9180c298d35 ("mtd: spi-nor: spansion: Enable JFFS2 write buffer for S25FS256T") 4199c1719e24 ("mtd: spi-nor: spansion: Enable JFFS2 write buffer for Infineon s25hx SEMPER flash") 9fd0945fe6fa ("mtd: spi-nor: spansion: Enable JFFS2 write buffer for Infineon s28hx SEMPER flash") c87c9b11c53c ("mtd: spi-nor: spansion: Determine current address mode") 4e53ab0c292d ("mtd: spi-nor: Set the 4-Byte Address Mode method based on SFDP data") d75c22f376f6 ("mtd: spi-nor: core: Update name and description of spi_nor_set_4byte_addr_mode") f1f1976224f3 ("mtd: spi-nor: core: Update name and description of spansion_set_4byte_addr_mode") 288df4378319 ("mtd: spi-nor: core: Update name and description of micron_st_nor_set_4byte_addr_mode") 076aa4eac8b3 ("mtd: spi-nor: core: Move generic method to core - micron_st_nor_set_4byte_addr_mode") 79a4db50192c ("mtd: spi-nor: Delay the initialization of bank_size") 4eddee70140b ("mtd: spi-nor: Add a RWW flag") 6afcc84080c4 ("mtd: spi-nor: spansion: Add support for Infineon S25FS256T") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 1e611e104b9acb6310b8c684d5acee0e11ca7bd1 Mon Sep 17 00:00:00 2001 From: Takahiro Kuwano Date: Wed, 26 Jul 2023 10:52:48 +0300 Subject: [PATCH] mtd: spi-nor: spansion: preserve CFR2V[7] when writing MEMLAT CFR2V[7] is assigned to Flash's address mode (3- or 4-ybte) and must not be changed when writing MEMLAT (CFR2V[3:0]). CFR2V shall be used in a read, update, write back fashion. Fixes: c3266af101f2 ("mtd: spi-nor: spansion: add support for Cypress Semper flash") Signed-off-by: Takahiro Kuwano Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230726075257.12985-3-tudor.ambarus@linaro.org Signed-off-by: Tudor Ambarus diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 6b2532ed053c..6460d2247bdf 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -4,6 +4,7 @@ * Copyright (C) 2014, Freescale Semiconductor, Inc. */ +#include #include #include @@ -28,6 +29,7 @@ #define SPINOR_REG_CYPRESS_CFR2 0x3 #define SPINOR_REG_CYPRESS_CFR2V \ (SPINOR_REG_CYPRESS_VREG + SPINOR_REG_CYPRESS_CFR2) +#define SPINOR_REG_CYPRESS_CFR2_MEMLAT_MASK GENMASK(3, 0) #define SPINOR_REG_CYPRESS_CFR2_MEMLAT_11_24 0xb #define SPINOR_REG_CYPRESS_CFR2_ADRBYT BIT(7) #define SPINOR_REG_CYPRESS_CFR3 0x4 @@ -161,8 +163,18 @@ static int cypress_nor_octal_dtr_en(struct spi_nor *nor) int ret; u8 addr_mode_nbytes = nor->params->addr_mode_nbytes; + op = (struct spi_mem_op) + CYPRESS_NOR_RD_ANY_REG_OP(addr_mode_nbytes, + SPINOR_REG_CYPRESS_CFR2V, 0, buf); + + ret = spi_nor_read_any_reg(nor, &op, nor->reg_proto); + if (ret) + return ret; + /* Use 24 dummy cycles for memory array reads. */ - *buf = SPINOR_REG_CYPRESS_CFR2_MEMLAT_11_24; + *buf &= ~SPINOR_REG_CYPRESS_CFR2_MEMLAT_MASK; + *buf |= FIELD_PREP(SPINOR_REG_CYPRESS_CFR2_MEMLAT_MASK, + SPINOR_REG_CYPRESS_CFR2_MEMLAT_11_24); op = (struct spi_mem_op) CYPRESS_NOR_WR_ANY_REG_OP(addr_mode_nbytes, SPINOR_REG_CYPRESS_CFR2V, 1, buf);