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Date: Wed, 20 May 2020 22:00:50 +0530 Message-ID: <20200520163053.24357-17-p.yadav@ti.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200520163053.24357-1-p.yadav@ti.com> References: <20200520163053.24357-1-p.yadav@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200520_093225_489889_677E4E9C X-CRM114-Status: GOOD ( 11.97 ) 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: Mason Yang , Boris Brezillon , Sekhar Nori , Pratyush Yadav 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 On resume, the init procedure will be run that will re-enable it. Signed-off-by: Pratyush Yadav --- drivers/mtd/spi-nor/core.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 68559386f6f8..63ab588299f4 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -3239,6 +3239,23 @@ static void spi_nor_soft_reset(struct spi_nor *nor) usleep_range(SPI_NOR_SRST_SLEEP_MIN, SPI_NOR_SRST_SLEEP_MAX); } +/* mtd suspend handler */ +static int spi_nor_suspend(struct mtd_info *mtd) +{ + struct spi_nor *nor = mtd_to_spi_nor(mtd); + struct device *dev = nor->dev; + int ret; + + /* Disable octal DTR mode if we enabled it. */ + ret = spi_nor_octal_dtr_enable(nor, false); + if (ret) { + dev_err(dev, "suspend() failed\n"); + return ret; + } + + return 0; +} + /* mtd resume handler */ static void spi_nor_resume(struct mtd_info *mtd) { @@ -3432,6 +3449,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, 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; if (nor->params->locking_ops) { -- 2.26.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/