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Tue, 17 Sep 2019 15:55:22 +0000 From: To: , , , , , Subject: [PATCH 13/23] mtd: spi-nor: Void return type for spi_nor_clear_sr/fsr() Thread-Topic: [PATCH 13/23] mtd: spi-nor: Void return type for spi_nor_clear_sr/fsr() Thread-Index: AQHVbXBQQBTeia0F606dNDOJ27F+sg== Date: Tue, 17 Sep 2019 15:55:22 +0000 Message-ID: <20190917155426.7432-14-tudor.ambarus@microchip.com> References: <20190917155426.7432-1-tudor.ambarus@microchip.com> In-Reply-To: <20190917155426.7432-1-tudor.ambarus@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1PR0302CA0007.eurprd03.prod.outlook.com (2603:10a6:800:e9::17) To MN2PR11MB4448.namprd11.prod.outlook.com (2603:10b6:208:193::29) x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.9.5 x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 5ce87190-9c56-4d3d-b9d6-08d73b877298 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(5600167)(711020)(4605104)(1401327)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7193020); 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X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, Tudor.Ambarus@microchip.com, andrew@aj.id.au, linux-kernel@vger.kernel.org, vz@mleia.com, linux-mediatek@lists.infradead.org, joel@jms.id.au, matthias.bgg@gmail.com, computersforpeace@gmail.com, dwmw2@infradead.org, linux-arm-kernel@lists.infradead.org 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 From: Tudor Ambarus spi_nor_clear_sr() and spi_nor_clear_fsr() are called just in case of errors. The callers didn't check their return value. Make them of type void and print an error in case the operations fail. Signed-off-by: Tudor Ambarus --- drivers/mtd/spi-nor/spi-nor.c | 36 ++++++++++++++++++++++++++++++------ 1 file changed, 30 insertions(+), 6 deletions(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index a34614753d7b..62b9298473b4 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -578,8 +578,16 @@ static int s3an_sr_ready(struct spi_nor *nor) return !!(nor->bouncebuf[0] & XSR_RDY); } -static int spi_nor_clear_sr(struct spi_nor *nor) +/** + * spi_nor_clear_sr() - Clear the Status Register 1. + * @nor: pointer to 'struct spi_nor' + * + * Prints error in case the operation fails. + */ +static void spi_nor_clear_sr(struct spi_nor *nor) { + int ret; + if (nor->spimem) { struct spi_mem_op op = SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_CLSR, 1), @@ -587,10 +595,14 @@ static int spi_nor_clear_sr(struct spi_nor *nor) SPI_MEM_OP_NO_DUMMY, SPI_MEM_OP_NO_DATA); - return spi_mem_exec_op(nor->spimem, &op); + ret = spi_mem_exec_op(nor->spimem, &op); + } else { + ret = nor->controller_ops->write_reg(nor, SPINOR_OP_CLSR, + NULL, 0); } - return nor->controller_ops->write_reg(nor, SPINOR_OP_CLSR, NULL, 0); + if (ret) + dev_err(nor->dev, "error %d clearing Status Register 1\n", ret); } static int spi_nor_sr_ready(struct spi_nor *nor) @@ -614,8 +626,16 @@ static int spi_nor_sr_ready(struct spi_nor *nor) return !(nor->bouncebuf[0] & SR_WIP); } -static int spi_nor_clear_fsr(struct spi_nor *nor) +/** + * spi_nor_clear_fsr() - Clear the Flag Status Register. + * @nor: pointer to 'struct spi_nor' + * + * Prints error in case the operation fails. + */ +static void spi_nor_clear_fsr(struct spi_nor *nor) { + int ret; + if (nor->spimem) { struct spi_mem_op op = SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_CLFSR, 1), @@ -623,10 +643,14 @@ static int spi_nor_clear_fsr(struct spi_nor *nor) SPI_MEM_OP_NO_DUMMY, SPI_MEM_OP_NO_DATA); - return spi_mem_exec_op(nor->spimem, &op); + ret = spi_mem_exec_op(nor->spimem, &op); + } else { + ret = nor->controller_ops->write_reg(nor, SPINOR_OP_CLFSR, + NULL, 0); } - return nor->controller_ops->write_reg(nor, SPINOR_OP_CLFSR, NULL, 0); + if (ret) + dev_err(nor->dev, "error %d clearing FSR\n", ret); } static int spi_nor_fsr_ready(struct spi_nor *nor) -- 2.9.5 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/