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Wed, 11 Sep 2019 09:41:24 +0000 From: To: , , , , , , , , , , Subject: [PATCH 12/13] mtd: spi-nor: Void return type for spi_nor_clear_sr/fsr() Thread-Topic: [PATCH 12/13] mtd: spi-nor: Void return type for spi_nor_clear_sr/fsr() Thread-Index: AQHVaIUTgVKXNHHkk0+ADbWNDrCulg== Date: Wed, 11 Sep 2019 09:41:24 +0000 Message-ID: <20190911094031.17615-13-tudor.ambarus@microchip.com> References: <20190911094031.17615-1-tudor.ambarus@microchip.com> In-Reply-To: <20190911094031.17615-1-tudor.ambarus@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1PR09CA0118.eurprd09.prod.outlook.com (2603:10a6:803:78::41) To BY5PR11MB4435.namprd11.prod.outlook.com (2603:10b6:a03:1ce::30) 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: cb03ebc4-2cbb-46d6-3639-08d7369c35d5 x-microsoft-antispam: BCL:0; PCL:0; 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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: Tudor.Ambarus@microchip.com 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 0505bf6c197e..e0fbf9c00d24 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/