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Sat, 25 Nov 2023 03:22:20 -0600 From: Amit Kumar Mahapatra To: , , , , , , , , , , , , CC: , , , , , , , , , , , , , , Amit Kumar Mahapatra Subject: [PATCH v11 06/10] mtd: spi-nor: Move write enable inside specific write & erase APIs Date: Sat, 25 Nov 2023 14:51:33 +0530 Message-ID: <20231125092137.2948-7-amit.kumar-mahapatra@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20231125092137.2948-1-amit.kumar-mahapatra@amd.com> References: <20231125092137.2948-1-amit.kumar-mahapatra@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF00017098:EE_|CH3PR12MB8404:EE_ X-MS-Office365-Filtering-Correlation-Id: 35963d56-772b-493b-c5f1-08dbed980d3d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(396003)(346002)(136003)(376002)(39860400002)(230922051799003)(451199024)(64100799003)(186009)(1800799012)(82310400011)(46966006)(40470700004)(36840700001)(40480700001)(36860700001)(81166007)(83380400001)(2616005)(1076003)(47076005)(356005)(4326008)(8936002)(8676002)(86362001)(426003)(336012)(26005)(82740400003)(40460700003)(478600001)(6666004)(110136005)(70206006)(70586007)(54906003)(316002)(2906002)(921008)(41300700001)(36756003)(7416002)(5660300002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Nov 2023 09:22:31.5239 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 35963d56-772b-493b-c5f1-08dbed980d3d X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF00017098.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8404 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In most of the register write operations the spi_nor_write_enable is called from within that API from where spi_mem APIs are called. Follwoing the same trend move the write enable API from spi_nor_write & spi_nor_erase APIs to the respective write & erase APIs. Signed-off-by: Amit Kumar Mahapatra --- drivers/mtd/spi-nor/core.c | 40 ++++++++++++++------------------------ 1 file changed, 15 insertions(+), 25 deletions(-) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 72c80d8b5858..93ae69b7ff83 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -301,6 +301,12 @@ static ssize_t spi_nor_spimem_write_data(struct spi_no= r *nor, loff_t to, ssize_t spi_nor_write_data(struct spi_nor *nor, loff_t to, size_t len, const u8 *buf) { + int ret; + + ret =3D spi_nor_write_enable(nor); + if (ret) + return ret; + if (nor->spimem) return spi_nor_spimem_write_data(nor, to, len, buf); =20 @@ -1074,6 +1080,10 @@ static int spi_nor_erase_chip(struct spi_nor *nor) =20 dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd.size >> 10)); =20 + ret =3D spi_nor_write_enable(nor); + if (ret) + return ret; + if (nor->spimem) { struct spi_mem_op op =3D SPI_NOR_CHIP_ERASE_OP; =20 @@ -1481,10 +1491,14 @@ static u32 spi_nor_convert_addr(struct spi_nor *nor= , loff_t addr) */ int spi_nor_erase_sector(struct spi_nor *nor, u32 addr) { - int i; + int i, ret; =20 addr =3D spi_nor_convert_addr(nor, addr); =20 + ret =3D spi_nor_write_enable(nor); + if (ret) + return ret; + if (nor->spimem) { struct spi_mem_op op =3D SPI_NOR_SECTOR_ERASE_OP(nor->erase_opcode, @@ -1777,12 +1791,6 @@ static int spi_nor_erase_multi_sectors(struct spi_no= r *nor, u64 addr, u32 len) if (ret) goto destroy_erase_cmd_list; =20 - ret =3D spi_nor_write_enable(nor); - if (ret) { - spi_nor_unlock_device(nor); - goto destroy_erase_cmd_list; - } - ret =3D spi_nor_erase_sector(nor, addr); spi_nor_unlock_device(nor); if (ret) @@ -1841,12 +1849,6 @@ static int spi_nor_erase(struct mtd_info *mtd, struc= t erase_info *instr) if (ret) goto erase_err; =20 - ret =3D spi_nor_write_enable(nor); - if (ret) { - spi_nor_unlock_device(nor); - goto erase_err; - } - ret =3D spi_nor_erase_chip(nor); spi_nor_unlock_device(nor); if (ret) @@ -1877,12 +1879,6 @@ static int spi_nor_erase(struct mtd_info *mtd, struc= t erase_info *instr) if (ret) goto erase_err; =20 - ret =3D spi_nor_write_enable(nor); - if (ret) { - spi_nor_unlock_device(nor); - goto erase_err; - } - ret =3D spi_nor_erase_sector(nor, addr); spi_nor_unlock_device(nor); if (ret) @@ -2177,12 +2173,6 @@ static int spi_nor_write(struct mtd_info *mtd, loff_= t to, size_t len, if (ret) goto write_err; =20 - ret =3D spi_nor_write_enable(nor); - if (ret) { - spi_nor_unlock_device(nor); - goto write_err; - } - ret =3D spi_nor_write_data(nor, addr, page_remain, buf + i); spi_nor_unlock_device(nor); if (ret < 0) --=20 2.17.1