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[79.146.124.255]) by smtp.gmail.com with ESMTPSA id j9-20020a05600c1c0900b003ee6aa4e6a9sm1942939wms.5.2023.03.23.05.45.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Mar 2023 05:45:13 -0700 (PDT) From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= To: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, masonccyang@mxic.com.tw, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Subject: [PATCH 1/2] dt-bindings: mtd: nand: Macronix: document new binding Date: Thu, 23 Mar 2023 13:45:09 +0100 Message-Id: <20230323124510.2484808-2-noltari@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230323124510.2484808-1-noltari@gmail.com> References: <20230323124510.2484808-1-noltari@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add new "mxic,disable-block-protection" binding documentation. This binding allows disabling block protection support for those devices not supporting it. Signed-off-by: =C3=81lvaro Fern=C3=A1ndez Rojas --- Documentation/devicetree/bindings/mtd/nand-macronix.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/nand-macronix.txt b/Docu= mentation/devicetree/bindings/mtd/nand-macronix.txt index ffab28a2c4d1..03f65ca32cd3 100644 --- a/Documentation/devicetree/bindings/mtd/nand-macronix.txt +++ b/Documentation/devicetree/bindings/mtd/nand-macronix.txt @@ -16,6 +16,9 @@ in children nodes. Required NAND chip properties in children mode: - randomizer enable: should be "mxic,enable-randomizer-otp" =20 +Optional NAND chip properties in children mode: +- block protection disable: should be "mxic,disable-block-protection" + Example: =20 nand: nand-controller@unit-address { --=20 2.30.2 From nobody Sat Feb 7 18:34:20 2026 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 69AC3C6FD1C for ; Thu, 23 Mar 2023 12:45:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231696AbjCWMpX (ORCPT ); Thu, 23 Mar 2023 08:45:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229791AbjCWMpR (ORCPT ); Thu, 23 Mar 2023 08:45:17 -0400 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A65F22D5A; Thu, 23 Mar 2023 05:45:16 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id r29so20318725wra.13; Thu, 23 Mar 2023 05:45:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679575515; 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=umlB44Y9/RQzoXmteHKil0EY6NqmhxRrqoCy6EX0T8g=; b=TzvzX1Xn+K5UaV3D5wgIpQWr0uYwlfNOc90LuAIMcZYFZp7B3umvE+v7lr9BCy0nCY 2LeLr4VC/IAEw8f+btKGzFlHIChD3cn9nYnFxa5l7Oq1P0oSvLaLLRNURCgxBaF2rr18 XUPUih1JRmGPpCaXVkGakzvgyYUDUu0vflKjwZkI83+R040kXlltuc1OJyjEFoMxJ/Z/ w4TlVcDb8mMkQT2ezaRv304zX+NjCff7UnC3UH/eSjLhUCQFP+EU4fOUC4Hesp6nnQyA HQuZ0ai4jSMrvj6f56oT8I9b25o+eoMqZkhKDlPNX/QbKyDeHCmnNcVXV2wTMPYMElbW 6n6Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679575515; 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=umlB44Y9/RQzoXmteHKil0EY6NqmhxRrqoCy6EX0T8g=; b=shtB0HoIpnUGwK1WryzBOAO0SPIF4+N4zwTClg1xvgE6anmSlgzB2AcCvmIAFVMRCo O80EZxg5jSOEHo7xRXe8jnJkAXQrRBZYjErPGdpZ5R92CLXQwfLPblrAkbmFfAZ8oSGF kOZPwcH/tgIlmvCC0a7E/UZKALaDwGtuMp6Gxp3iG25v8evgmj86+njqs6nqyikNaL0v 2WMUMuIw7awlqHEf5h1+X2EcmOOclZ3HFM0PdP022iWrkF3z++y05Y9Ys5xW/xZUXyJ7 mvuQwdoH8Wb9DmpWIOSZtGUNiWqAeT3N5IQG0xb553JdqHiHRrkhQLJ9mu9ThWX4a06m 8QhQ== X-Gm-Message-State: AAQBX9czszjfbCUmnhAzuMEea4sFcZJo+kSk4MTa4+jmy8Ja9uPI60ry BbOlwD8q7R7esR7lF7VdHoI= X-Google-Smtp-Source: AKy350ZDqwo8YwYfUss1BF/h6Qz1Yl5+RUi3hjTf9ysdr0R6WyZz+l/CRqg0gdF/P9gfC7ryPqWBWQ== X-Received: by 2002:a5d:4a4d:0:b0:2cf:e132:bfbb with SMTP id v13-20020a5d4a4d000000b002cfe132bfbbmr2313892wrs.38.1679575514978; Thu, 23 Mar 2023 05:45:14 -0700 (PDT) Received: from atlantis.lan (255.red-79-146-124.dynamicip.rima-tde.net. [79.146.124.255]) by smtp.gmail.com with ESMTPSA id j9-20020a05600c1c0900b003ee6aa4e6a9sm1942939wms.5.2023.03.23.05.45.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Mar 2023 05:45:14 -0700 (PDT) From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= To: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, masonccyang@mxic.com.tw, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Subject: [PATCH 2/2] mtd: nand: raw: macronix: allow disabling block protection Date: Thu, 23 Mar 2023 13:45:10 +0100 Message-Id: <20230323124510.2484808-3-noltari@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230323124510.2484808-1-noltari@gmail.com> References: <20230323124510.2484808-1-noltari@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some devices hang when block protection is enabled, so let's add a boolean property to allow disabling it. Fixes: 03a539c7a118 ("mtd: rawnand: Macronix: Add support for block protect= ion") Signed-off-by: =C3=81lvaro Fern=C3=A1ndez Rojas --- drivers/mtd/nand/raw/nand_macronix.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/na= nd_macronix.c index 1472f925f386..b9f0338ebdaf 100644 --- a/drivers/mtd/nand/raw/nand_macronix.c +++ b/drivers/mtd/nand/raw/nand_macronix.c @@ -219,9 +219,13 @@ static int mxic_nand_unlock(struct nand_chip *chip, lo= ff_t ofs, uint64_t len) =20 static void macronix_nand_block_protection_support(struct nand_chip *chip) { + struct device_node *dn =3D nand_get_flash_node(chip); u8 feature[ONFI_SUBFEATURE_PARAM_LEN]; int ret; =20 + if (of_property_read_bool(dn, "mxic,disable-block-protection")) + return; + bitmap_set(chip->parameters.get_feature_list, ONFI_FEATURE_ADDR_MXIC_PROTECTION, 1); =20 --=20 2.30.2