Received: by 2002:a05:6358:11c7:b0:104:8066:f915 with SMTP id i7csp702846rwl; Fri, 31 Mar 2023 00:48:46 -0700 (PDT) X-Google-Smtp-Source: AKy350aVKmPqwAON1sJibXwtV7udZhOzrVlFMjItPnP+q8o9Dj40y6L2ebmcs/NFRmZdwdjWomr7 X-Received: by 2002:a17:906:2098:b0:930:7f40:c1bb with SMTP id 24-20020a170906209800b009307f40c1bbmr4029407ejq.4.1680248926472; Fri, 31 Mar 2023 00:48:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1680248926; cv=none; d=google.com; s=arc-20160816; b=Shldk47ua2smF6GDBxf9+fCiuQqZAF1d1zTzvbZbwa3CJOkQ16fz0Er+jcxO+syXnT 80u5SEoOXJm7dkMtQoBoxPkWv92IOG/avYl6p94rAhui4Y80DGlbJo4wii3tZDMBzJVr hm9hKkNtY4uM3OawACBQHrt5faCq7cRwovLcnb75oM75HWVscSFEY6LX1OONiigDzgfQ LzT7i49GyY6uOXjtfkWZjPrUN2/8lQPKxpGY1O3QLvxPnp0d/0IYmydudv2xNXojJB52 SL7g+74Rzn6oT8aP3MjPJvdl+TLt8BYd66083nk41aRmSU0nRpYsiWn3i+C4KLgKpZ/q EoLg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=5pMraFU/tPRiVpv9JeCuToE/iyKjmq4cdy7RBmS30j8=; b=mNy1dWXs4ezvudSAvAH0e9r6ET39PHD+4MrHF5YgjsF6NeLX45nYEW8QkrGgjTpXEN uiK/UhUALKn3QCDWyj1oyGANFcCp1jYvOYiwtpZ1kAkv3xbYpsCqU88yuE6sMnKhdpjx 3WmEepMEF5joWB68PsSp2+IEUXUrn53KnfoxA8umBF7ugfCfcXZFmoxIewUzEZMRFaDW qlo/rbqGdRiLCEgab79lQHp+l8otD8l6dU5D2jMB4TBPZrFrXe8wcuOrK8aq/KyDIa8Z VUnaMCvVTjg8dfKc0WFinw/PSHRVGxFo0YiYaHbZH9uEidvU0mXAPgQH+TxNMcCJfspx +f7Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=a2xc6P3B; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id n7-20020a170906724700b0093defbd628fsi1391112ejk.1046.2023.03.31.00.48.21; Fri, 31 Mar 2023 00:48:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=a2xc6P3B; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231207AbjCaHqf (ORCPT + 99 others); Fri, 31 Mar 2023 03:46:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230381AbjCaHqT (ORCPT ); Fri, 31 Mar 2023 03:46:19 -0400 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D99351A442 for ; Fri, 31 Mar 2023 00:46:16 -0700 (PDT) Received: by mail-lf1-x136.google.com with SMTP id g19so14675948lfr.9 for ; Fri, 31 Mar 2023 00:46:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680248775; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=5pMraFU/tPRiVpv9JeCuToE/iyKjmq4cdy7RBmS30j8=; b=a2xc6P3BIbU9HViqxC5luoJqe1Z5BNokKvWSvidpmBZQN5PNJhVz3uxhS4mrWBLcpg hef4LAuCVpK8v/EBNUUMDskjn01qaaAJ1nIhSRWQTYo4IOAmY5lMLmNe98tDHkWfIlMs oPcADQLgvvqQwX3XhD6G4mFy+L/9CaaLvpUEmbr8RUVaGZ7UTw3tZ9q6vfMjVtgUE7um 1m7mTbjJUbmYyu/i46Ys1VUVzZzfg85pc/nUjZxux1XulbTJl06No2LT2LJIXbond1jO t9sOIpwsVQudNbF5FAr8rpk1YWaBTB0zaZKEEHAqOHZzG8ZMm2pV3L6WxF9Kx28ffJYy GaLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680248775; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5pMraFU/tPRiVpv9JeCuToE/iyKjmq4cdy7RBmS30j8=; b=j/EDGytm0q63yCB/uEMQX8jhEk9LJ6FPbP8o5LNFsERHi2klmz0dFPa6bn2slHysZ/ yHFwsli1qlGio94D0zH61bwdSBOr3b9/elo9vw3VePIajrUI3+Z3eVSwjUDkog9+3n3J 7ySpEFkTfuB+EdZM5odtmc8kv3350aAxUaRDn1Lfg8WwlpiBPb/C3PDp37QHzbPMTDg9 qs9XikMaK2WbC0Gp5Rij3Y8h5GKqADdUF/SfG+e8dkb4qu41YgklBJg6rx9Om28iGOWI p3hQ4mwffEihcH/t5v7NwcnhFEklTp0WsLLZtOncYl8sFdc7edhBsfIcyf5LTPSpaSsS X+7A== X-Gm-Message-State: AAQBX9ftNjFAJ0WndWcBvEUADaCvJ1UuowyAX7wArFurabkNYNBzSgCr 4f+Ut2lfUt9D8qPIXZzQlxcf5mQyxtxEHHDyaZGeIg== X-Received: by 2002:a19:c20a:0:b0:4a4:68b9:60ae with SMTP id l10-20020a19c20a000000b004a468b960aemr8189955lfc.57.1680248775241; Fri, 31 Mar 2023 00:46:15 -0700 (PDT) Received: from ta1.c.googlers.com.com (61.215.228.35.bc.googleusercontent.com. [35.228.215.61]) by smtp.gmail.com with ESMTPSA id n20-20020a2e8794000000b0029573844d03sm241201lji.109.2023.03.31.00.46.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 00:46:14 -0700 (PDT) From: Tudor Ambarus To: michael@walle.cc, pratyush@kernel.org Cc: miquel.raynal@bootlin.com, richard@nod.at, Takahiro.Kuwano@infineon.com, bacem.daassi@infineon.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Tudor Ambarus Subject: [PATCH v5 03/10] mtd: spi-nor: core: Update name and description of spansion_set_4byte_addr_mode Date: Fri, 31 Mar 2023 07:45:59 +0000 Message-Id: <20230331074606.3559258-4-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog In-Reply-To: <20230331074606.3559258-1-tudor.ambarus@linaro.org> References: <20230331074606.3559258-1-tudor.ambarus@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rename method to spi_nor_set_4byte_addr_mode_brwr and extend its description. This method is described in JESD216 BFPT[SFDP_DWORD(16)], BIT(28) and BIT(20). Signed-off-by: Tudor Ambarus --- drivers/mtd/spi-nor/core.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 07be81afdc33..e8f6141c0ef6 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -564,15 +564,20 @@ int spi_nor_set_4byte_addr_mode_wren_en4b_ex4b(struct spi_nor *nor, bool enable) } /** - * spansion_set_4byte_addr_mode() - Set 4-byte address mode for Spansion - * flashes. + * spi_nor_set_4byte_addr_mode_brwr() - Set 4-byte address mode using + * SPINOR_OP_BRWR. Typically used by Spansion flashes. * @nor: pointer to 'struct spi_nor'. * @enable: true to enter the 4-byte address mode, false to exit the 4-byte * address mode. * + * 8-bit volatile bank register used to define A[30:A24] bits. MSB (bit[7]) is + * used to enable/disable 4-byte address mode. When MSB is set to ‘1’, 4-byte + * address mode is active and A[30:24] bits are don’t care. Write instruction is + * SPINOR_OP_BRWR(17h) with 1 byte of data. + * * Return: 0 on success, -errno otherwise. */ -static int spansion_set_4byte_addr_mode(struct spi_nor *nor, bool enable) +static int spi_nor_set_4byte_addr_mode_brwr(struct spi_nor *nor, bool enable) { int ret; @@ -2964,7 +2969,7 @@ static void spi_nor_init_default_params(struct spi_nor *nor) struct device_node *np = spi_nor_get_flash_node(nor); params->quad_enable = spi_nor_sr2_bit1_quad_enable; - params->set_4byte_addr_mode = spansion_set_4byte_addr_mode; + params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_brwr; params->otp.org = &info->otp_org; /* Default to 16-bit Write Status (01h) Command */ -- 2.40.0.348.gf938b09366-goog