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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7BD50C433EF for ; Mon, 22 Nov 2021 10:13:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=f5rhZutp8YyRiHO2uGxbjxuwab2na1d2V03ICeVfP/A=; b=zWf3MaP7NTmUEE 4h5nTCplbJC+683FVTTZXFD6IHeD2uHBY10qXQQZ61wN72tjAjyDCQAEnbYVobTOwWUCXYgQmUp8N 9d9RUBEucyP/NATNP22CvUcHU5v7CK1hYEZI3d0WzsmEOFWVn7x/QyzA6oIgqRGhc7zrKGcWzHZkv aHXmZ4Sn981LfNDRCPgI0SuslTL9ZTTY2yxITqTyucy2SuzamLHj6MqkdoBAhaoGmfOeKMLsLvBrW D/cJW1YNA/ObXdkBKAC3GbdEZYy4MHyIgApwakutHwMeSCvfNf4bIWDHqZcgsgffufxce4HmcnGR2 vcA8Fxb1zSyS1KEVgwpg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mp6Jh-00Fmwo-Sl; Mon, 22 Nov 2021 10:12:54 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mp5yB-00Fgpw-SX; Mon, 22 Nov 2021 09:50:43 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1637574640; x=1669110640; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=CpNc2jGij/LjlkTOMWJPl6BuQ9rc9apGwFFMRa05mBk=; b=uz/lYT+ltQPk6q3eO7gPPNliD7KV3cnJlFOe4dzwfiByIg47IKUUT3fh WqsFejODY+b9O2uPQxKrQQcBaW6n0eW62Oq13z40Ih7YDKVHVRtueGyRi KxEdfRbpGaV0QH7hb09mr4BX4bGTOVzWJQ5WPdymhch272ir4146VUKxe m4Gosh0vgV9BypYHJIFjEI1AB7W6IyDylgW9ZlBkjdHeYNMYIYpaVTSgJ uHfxB4UhG/3m0hEs4uFpa2y8AW/QX2maBYN4fohIU/eW9FudVogyr7Sd6 51eANsax08rM/qd3cK8/hP3EvFlZfh9ULo/W8i4uDMmZwQ/44pd3FbAZQ A==; IronPort-SDR: dc/jOI8beAHknju0KlB/U8pLLPS2pG5XAPZtRcjELWC5tVJt4gLfoij9AngEZjI6UBcc+MEhSB 2kUaFEN83o3k6q7SO0Y62Ii1hwfq4epzpsRRklSk6l8+R6p8ivpYeptrTOz0NkTj5EX92mppr7 kpUufFz4lvy9/EgqvryF7PTT79tz+v1kqfQ6nuaAeuc0M/27Cf3mvBJ1X0ThB854D5GWCP7dyS pL/f1H1rg7w/VUQi1M8FTZGw3soJFcw/dgLMuk6ymCWcLozuHMr0U8W8Qojl1HySYxb2NKPE0n mmjCJD1gD8AS7brLBCBAjIst X-IronPort-AV: E=Sophos;i="5.87,254,1631602800"; d="scan'208";a="144129416" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 22 Nov 2021 02:50:38 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Mon, 22 Nov 2021 02:50:37 -0700 Received: from ROB-ULT-M18064N.mchp-main.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Mon, 22 Nov 2021 02:50:32 -0700 From: Tudor Ambarus To: , , Subject: [PATCH v4 02/13] mtd: spi-nor: Introduce spi_nor_set_mtd_info() Date: Mon, 22 Nov 2021 11:50:09 +0200 Message-ID: <20211122095020.393346-3-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211122095020.393346-1-tudor.ambarus@microchip.com> References: <20211122095020.393346-1-tudor.ambarus@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211122_015040_035305_9FDB9598 X-CRM114-Status: GOOD ( 15.09 ) 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: , Cc: macromorgan@hotmail.com, jaimeliao@mxic.com.tw, Tudor Ambarus , richard@nod.at, esben@geanix.com, linux@rasmusvillemoes.dk, knaerzche@gmail.com, nicolas.ferre@microchip.com, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, code@reto-schneider.ch, miquel.raynal@bootlin.com, heiko.thiery@gmail.com, sr@denx.de, mail@david-bauer.net, zhengxunli@mxic.com.tw Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Used to init all the mtd_info fields. Move the mtd_info init the last thing in the spi_nor_scan(), so that we avoid superfluous initialization of the mtd_info fields in case of errors. While here use common naming scheme for functions that are setting mtd_info fields: s/spi_nor_register_locking_ops/spi_nor_set_mtd_locking_ops s/spi_nor_otp_init/spi_nor_set_mtd_otp_ops The functions names are self explanatory, get rid of the comment for the OTP function. Signed-off-by: Tudor Ambarus Reviewed-by: Michael Walle --- v4: no changes drivers/mtd/spi-nor/core.c | 56 +++++++++++++++++++++----------------- drivers/mtd/spi-nor/core.h | 4 +-- drivers/mtd/spi-nor/otp.c | 2 +- drivers/mtd/spi-nor/swp.c | 2 +- 4 files changed, 35 insertions(+), 29 deletions(-) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 5b9c827d411c..c2da885f4d8d 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -3080,6 +3080,35 @@ static const struct flash_info *spi_nor_get_flash_info(struct spi_nor *nor, return info; } +static void spi_nor_set_mtd_info(struct spi_nor *nor) +{ + struct mtd_info *mtd = &nor->mtd; + struct device *dev = nor->dev; + + spi_nor_set_mtd_locking_ops(nor); + spi_nor_set_mtd_otp_ops(nor); + + mtd->dev.parent = dev; + if (!mtd->name) + mtd->name = dev_name(dev); + mtd->type = MTD_NORFLASH; + mtd->flags = MTD_CAP_NORFLASH; + if (nor->info->flags & SPI_NOR_NO_ERASE) + mtd->flags |= MTD_NO_ERASE; + mtd->writesize = nor->params->writesize; + mtd->writebufsize = nor->params->page_size; + mtd->size = nor->params->size; + mtd->_erase = spi_nor_erase; + mtd->_read = spi_nor_read; + /* Might be already set by some SST flashes. */ + if (!mtd->_write) + mtd->_write = spi_nor_write; + mtd->_suspend = spi_nor_suspend; + mtd->_resume = spi_nor_resume; + mtd->_get_device = spi_nor_get_device; + mtd->_put_device = spi_nor_put_device; +} + int spi_nor_scan(struct spi_nor *nor, const char *name, const struct spi_nor_hwcaps *hwcaps) { @@ -3134,26 +3163,11 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, if (info->flags & SPI_NOR_HAS_LOCK) nor->flags |= SNOR_F_HAS_LOCK; - mtd->_write = spi_nor_write; - /* Init flash parameters based on flash_info struct and SFDP */ ret = spi_nor_init_params(nor); if (ret) return ret; - if (!mtd->name) - mtd->name = dev_name(dev); - mtd->type = MTD_NORFLASH; - mtd->writesize = nor->params->writesize; - mtd->flags = MTD_CAP_NORFLASH; - mtd->size = nor->params->size; - mtd->_erase = spi_nor_erase; - mtd->_read = spi_nor_read; - mtd->_suspend = spi_nor_suspend; - mtd->_resume = spi_nor_resume; - mtd->_get_device = spi_nor_get_device; - mtd->_put_device = spi_nor_put_device; - if (info->flags & USE_FSR) nor->flags |= SNOR_F_USE_FSR; if (info->flags & SPI_NOR_HAS_TB) { @@ -3175,12 +3189,6 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, nor->flags |= SNOR_F_HAS_SR_BP3_BIT6; } - if (info->flags & SPI_NOR_NO_ERASE) - mtd->flags |= MTD_NO_ERASE; - - mtd->dev.parent = dev; - mtd->writebufsize = nor->params->page_size; - if (of_property_read_bool(np, "broken-flash-reset")) nor->flags |= SNOR_F_BROKEN_RESET; @@ -3204,15 +3212,13 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, if (ret) return ret; - spi_nor_register_locking_ops(nor); - /* Send all the required SPI flash commands to initialize device */ ret = spi_nor_init(nor); if (ret) return ret; - /* Configure OTP parameters and ops */ - spi_nor_otp_init(nor); + /* No mtd_info fields are used up to this point. */ + spi_nor_set_mtd_info(nor); dev_info(dev, "%s (%lld Kbytes)\n", info->name, (long long)mtd->size >> 10); diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index 50bae06bc024..f6c4b6f4743b 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -552,8 +552,8 @@ int spi_nor_post_bfpt_fixups(struct spi_nor *nor, void spi_nor_init_default_locking_ops(struct spi_nor *nor); void spi_nor_try_unlock_all(struct spi_nor *nor); -void spi_nor_register_locking_ops(struct spi_nor *nor); -void spi_nor_otp_init(struct spi_nor *nor); +void spi_nor_set_mtd_locking_ops(struct spi_nor *nor); +void spi_nor_set_mtd_otp_ops(struct spi_nor *nor); static inline struct spi_nor *mtd_to_spi_nor(struct mtd_info *mtd) { diff --git a/drivers/mtd/spi-nor/otp.c b/drivers/mtd/spi-nor/otp.c index 983e40b19134..fa63d8571218 100644 --- a/drivers/mtd/spi-nor/otp.c +++ b/drivers/mtd/spi-nor/otp.c @@ -480,7 +480,7 @@ static int spi_nor_mtd_otp_lock(struct mtd_info *mtd, loff_t from, size_t len) return ret; } -void spi_nor_otp_init(struct spi_nor *nor) +void spi_nor_set_mtd_otp_ops(struct spi_nor *nor) { struct mtd_info *mtd = &nor->mtd; diff --git a/drivers/mtd/spi-nor/swp.c b/drivers/mtd/spi-nor/swp.c index 8594bcbb7dbe..1f178313ba8f 100644 --- a/drivers/mtd/spi-nor/swp.c +++ b/drivers/mtd/spi-nor/swp.c @@ -414,7 +414,7 @@ void spi_nor_try_unlock_all(struct spi_nor *nor) dev_dbg(nor->dev, "Failed to unlock the entire flash memory array\n"); } -void spi_nor_register_locking_ops(struct spi_nor *nor) +void spi_nor_set_mtd_locking_ops(struct spi_nor *nor) { struct mtd_info *mtd = &nor->mtd; -- 2.25.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E196CC433EF for ; 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d="scan'208";a="144129416" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 22 Nov 2021 02:50:38 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Mon, 22 Nov 2021 02:50:37 -0700 Received: from ROB-ULT-M18064N.mchp-main.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Mon, 22 Nov 2021 02:50:32 -0700 From: Tudor Ambarus To: , , Subject: [PATCH v4 02/13] mtd: spi-nor: Introduce spi_nor_set_mtd_info() Date: Mon, 22 Nov 2021 11:50:09 +0200 Message-ID: <20211122095020.393346-3-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211122095020.393346-1-tudor.ambarus@microchip.com> References: <20211122095020.393346-1-tudor.ambarus@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211122_015040_035305_9FDB9598 X-CRM114-Status: GOOD ( 15.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: macromorgan@hotmail.com, jaimeliao@mxic.com.tw, Tudor Ambarus , richard@nod.at, esben@geanix.com, linux@rasmusvillemoes.dk, knaerzche@gmail.com, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, code@reto-schneider.ch, miquel.raynal@bootlin.com, heiko.thiery@gmail.com, sr@denx.de, figgyc@figgyc.uk, mail@david-bauer.net, zhengxunli@mxic.com.tw Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Used to init all the mtd_info fields. Move the mtd_info init the last thing in the spi_nor_scan(), so that we avoid superfluous initialization of the mtd_info fields in case of errors. While here use common naming scheme for functions that are setting mtd_info fields: s/spi_nor_register_locking_ops/spi_nor_set_mtd_locking_ops s/spi_nor_otp_init/spi_nor_set_mtd_otp_ops The functions names are self explanatory, get rid of the comment for the OTP function. Signed-off-by: Tudor Ambarus Reviewed-by: Michael Walle --- v4: no changes drivers/mtd/spi-nor/core.c | 56 +++++++++++++++++++++----------------- drivers/mtd/spi-nor/core.h | 4 +-- drivers/mtd/spi-nor/otp.c | 2 +- drivers/mtd/spi-nor/swp.c | 2 +- 4 files changed, 35 insertions(+), 29 deletions(-) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 5b9c827d411c..c2da885f4d8d 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -3080,6 +3080,35 @@ static const struct flash_info *spi_nor_get_flash_info(struct spi_nor *nor, return info; } +static void spi_nor_set_mtd_info(struct spi_nor *nor) +{ + struct mtd_info *mtd = &nor->mtd; + struct device *dev = nor->dev; + + spi_nor_set_mtd_locking_ops(nor); + spi_nor_set_mtd_otp_ops(nor); + + mtd->dev.parent = dev; + if (!mtd->name) + mtd->name = dev_name(dev); + mtd->type = MTD_NORFLASH; + mtd->flags = MTD_CAP_NORFLASH; + if (nor->info->flags & SPI_NOR_NO_ERASE) + mtd->flags |= MTD_NO_ERASE; + mtd->writesize = nor->params->writesize; + mtd->writebufsize = nor->params->page_size; + mtd->size = nor->params->size; + mtd->_erase = spi_nor_erase; + mtd->_read = spi_nor_read; + /* Might be already set by some SST flashes. */ + if (!mtd->_write) + mtd->_write = spi_nor_write; + mtd->_suspend = spi_nor_suspend; + mtd->_resume = spi_nor_resume; + mtd->_get_device = spi_nor_get_device; + mtd->_put_device = spi_nor_put_device; +} + int spi_nor_scan(struct spi_nor *nor, const char *name, const struct spi_nor_hwcaps *hwcaps) { @@ -3134,26 +3163,11 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, if (info->flags & SPI_NOR_HAS_LOCK) nor->flags |= SNOR_F_HAS_LOCK; - mtd->_write = spi_nor_write; - /* Init flash parameters based on flash_info struct and SFDP */ ret = spi_nor_init_params(nor); if (ret) return ret; - if (!mtd->name) - mtd->name = dev_name(dev); - mtd->type = MTD_NORFLASH; - mtd->writesize = nor->params->writesize; - mtd->flags = MTD_CAP_NORFLASH; - mtd->size = nor->params->size; - mtd->_erase = spi_nor_erase; - mtd->_read = spi_nor_read; - mtd->_suspend = spi_nor_suspend; - mtd->_resume = spi_nor_resume; - mtd->_get_device = spi_nor_get_device; - mtd->_put_device = spi_nor_put_device; - if (info->flags & USE_FSR) nor->flags |= SNOR_F_USE_FSR; if (info->flags & SPI_NOR_HAS_TB) { @@ -3175,12 +3189,6 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, nor->flags |= SNOR_F_HAS_SR_BP3_BIT6; } - if (info->flags & SPI_NOR_NO_ERASE) - mtd->flags |= MTD_NO_ERASE; - - mtd->dev.parent = dev; - mtd->writebufsize = nor->params->page_size; - if (of_property_read_bool(np, "broken-flash-reset")) nor->flags |= SNOR_F_BROKEN_RESET; @@ -3204,15 +3212,13 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, if (ret) return ret; - spi_nor_register_locking_ops(nor); - /* Send all the required SPI flash commands to initialize device */ ret = spi_nor_init(nor); if (ret) return ret; - /* Configure OTP parameters and ops */ - spi_nor_otp_init(nor); + /* No mtd_info fields are used up to this point. */ + spi_nor_set_mtd_info(nor); dev_info(dev, "%s (%lld Kbytes)\n", info->name, (long long)mtd->size >> 10); diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index 50bae06bc024..f6c4b6f4743b 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -552,8 +552,8 @@ int spi_nor_post_bfpt_fixups(struct spi_nor *nor, void spi_nor_init_default_locking_ops(struct spi_nor *nor); void spi_nor_try_unlock_all(struct spi_nor *nor); -void spi_nor_register_locking_ops(struct spi_nor *nor); -void spi_nor_otp_init(struct spi_nor *nor); +void spi_nor_set_mtd_locking_ops(struct spi_nor *nor); +void spi_nor_set_mtd_otp_ops(struct spi_nor *nor); static inline struct spi_nor *mtd_to_spi_nor(struct mtd_info *mtd) { diff --git a/drivers/mtd/spi-nor/otp.c b/drivers/mtd/spi-nor/otp.c index 983e40b19134..fa63d8571218 100644 --- a/drivers/mtd/spi-nor/otp.c +++ b/drivers/mtd/spi-nor/otp.c @@ -480,7 +480,7 @@ static int spi_nor_mtd_otp_lock(struct mtd_info *mtd, loff_t from, size_t len) return ret; } -void spi_nor_otp_init(struct spi_nor *nor) +void spi_nor_set_mtd_otp_ops(struct spi_nor *nor) { struct mtd_info *mtd = &nor->mtd; diff --git a/drivers/mtd/spi-nor/swp.c b/drivers/mtd/spi-nor/swp.c index 8594bcbb7dbe..1f178313ba8f 100644 --- a/drivers/mtd/spi-nor/swp.c +++ b/drivers/mtd/spi-nor/swp.c @@ -414,7 +414,7 @@ void spi_nor_try_unlock_all(struct spi_nor *nor) dev_dbg(nor->dev, "Failed to unlock the entire flash memory array\n"); } -void spi_nor_register_locking_ops(struct spi_nor *nor) +void spi_nor_set_mtd_locking_ops(struct spi_nor *nor) { struct mtd_info *mtd = &nor->mtd; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel