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[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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230323_054520_369774_268E1308 X-CRM114-Status: GOOD ( 10.27 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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[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: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@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 protection") Signed-off-by: Álvaro Fernández 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/nand_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, loff_t ofs, uint64_t len) static void macronix_nand_block_protection_support(struct nand_chip *chip) { + struct device_node *dn = nand_get_flash_node(chip); u8 feature[ONFI_SUBFEATURE_PARAM_LEN]; int ret; + if (of_property_read_bool(dn, "mxic,disable-block-protection")) + return; + bitmap_set(chip->parameters.get_feature_list, ONFI_FEATURE_ADDR_MXIC_PROTECTION, 1); -- 2.30.2