From: Pratyush Yadav <p.yadav@ti.com> To: Tudor Ambarus <tudor.ambarus@microchip.com>, Miquel Raynal <miquel.raynal@bootlin.com>, Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org> Cc: Pratyush Yadav <p.yadav@ti.com>, Sekhar Nori <nsekhar@ti.com>, Boris Brezillon <boris.brezillon@collabora.com> Subject: [PATCH v14 13/15] mtd: spi-nor: core: disable Octal DTR mode on suspend. Date: Thu, 1 Oct 2020 00:27:30 +0530 [thread overview] Message-ID: <20200930185732.6201-14-p.yadav@ti.com> (raw) In-Reply-To: <20200930185732.6201-1-p.yadav@ti.com> On resume, the init procedure will be run that will re-enable it. Signed-off-by: Pratyush Yadav <p.yadav@ti.com> --- drivers/mtd/spi-nor/core.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 9de811b33125..17b6f833e920 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -3217,6 +3217,20 @@ 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); + int ret; + + /* Disable octal DTR mode if we enabled it. */ + ret = spi_nor_octal_dtr_enable(nor, false); + if (ret) + dev_err(nor->dev, "suspend() failed\n"); + + return ret; +} + /* mtd resume handler */ static void spi_nor_resume(struct mtd_info *mtd) { @@ -3420,6 +3434,7 @@ 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) { -- 2.28.0
WARNING: multiple messages have this Message-ID (diff)
From: Pratyush Yadav <p.yadav@ti.com> To: Tudor Ambarus <tudor.ambarus@microchip.com>, Miquel Raynal <miquel.raynal@bootlin.com>, Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org> Cc: Boris Brezillon <boris.brezillon@collabora.com>, Sekhar Nori <nsekhar@ti.com>, Pratyush Yadav <p.yadav@ti.com> Subject: [PATCH v14 13/15] mtd: spi-nor: core: disable Octal DTR mode on suspend. Date: Thu, 1 Oct 2020 00:27:30 +0530 [thread overview] Message-ID: <20200930185732.6201-14-p.yadav@ti.com> (raw) In-Reply-To: <20200930185732.6201-1-p.yadav@ti.com> On resume, the init procedure will be run that will re-enable it. Signed-off-by: Pratyush Yadav <p.yadav@ti.com> --- drivers/mtd/spi-nor/core.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 9de811b33125..17b6f833e920 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -3217,6 +3217,20 @@ 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); + int ret; + + /* Disable octal DTR mode if we enabled it. */ + ret = spi_nor_octal_dtr_enable(nor, false); + if (ret) + dev_err(nor->dev, "suspend() failed\n"); + + return ret; +} + /* mtd resume handler */ static void spi_nor_resume(struct mtd_info *mtd) { @@ -3420,6 +3434,7 @@ 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) { -- 2.28.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2020-09-30 18:58 UTC|newest] Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-30 18:57 [PATCH v14 00/15] mtd: spi-nor: add xSPI Octal DTR support Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-09-30 18:57 ` [PATCH v14 01/15] mtd: spi-nor: core: use EOPNOTSUPP instead of ENOTSUPP Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 7:19 ` Tudor.Ambarus 2020-10-01 7:19 ` Tudor.Ambarus 2020-10-01 7:34 ` Pratyush Yadav 2020-10-01 7:34 ` Pratyush Yadav 2020-10-01 7:50 ` Miquel Raynal 2020-10-01 7:50 ` Miquel Raynal 2020-10-01 8:18 ` Tudor.Ambarus 2020-10-01 8:18 ` Tudor.Ambarus 2020-10-01 10:50 ` Vignesh Raghavendra 2020-10-01 10:50 ` Vignesh Raghavendra 2020-09-30 18:57 ` [PATCH v14 02/15] mtd: spi-nor: add spi_nor_controller_ops_{read_reg,write_reg,erase}() Pratyush Yadav 2020-09-30 18:57 ` [PATCH v14 02/15] mtd: spi-nor: add spi_nor_controller_ops_{read_reg, write_reg, erase}() Pratyush Yadav 2020-10-01 7:21 ` [PATCH v14 02/15] mtd: spi-nor: add spi_nor_controller_ops_{read_reg,write_reg,erase}() Tudor.Ambarus 2020-10-01 7:21 ` Tudor.Ambarus 2020-09-30 18:57 ` [PATCH v14 03/15] mtd: spi-nor: add support for DTR protocol Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 7:46 ` Tudor.Ambarus 2020-10-01 7:46 ` Tudor.Ambarus 2020-10-01 8:37 ` Pratyush Yadav 2020-10-01 8:37 ` Pratyush Yadav 2020-10-01 8:49 ` Tudor.Ambarus 2020-10-01 8:49 ` Tudor.Ambarus 2020-09-30 18:57 ` [PATCH v14 04/15] mtd: spi-nor: sfdp: get command opcode extension type from BFPT Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-09-30 18:57 ` [PATCH v14 05/15] mtd: spi-nor: sfdp: parse xSPI Profile 1.0 table Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 7:49 ` Tudor.Ambarus 2020-10-01 7:49 ` Tudor.Ambarus 2020-09-30 18:57 ` [PATCH v14 06/15] mtd: spi-nor: core: use dummy cycle and address width info from SFDP Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 7:50 ` Tudor.Ambarus 2020-10-01 7:50 ` Tudor.Ambarus 2020-09-30 18:57 ` [PATCH v14 07/15] mtd: spi-nor: core: do 2 byte reads for SR and FSR in DTR mode Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 7:52 ` Tudor.Ambarus 2020-10-01 7:52 ` Tudor.Ambarus 2020-09-30 18:57 ` [PATCH v14 08/15] mtd: spi-nor: core: enable octal DTR mode when possible Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 8:09 ` Tudor.Ambarus 2020-10-01 8:09 ` Tudor.Ambarus 2020-10-01 8:42 ` Pratyush Yadav 2020-10-01 8:42 ` Pratyush Yadav 2020-09-30 18:57 ` [PATCH v14 09/15] mtd: spi-nor: Introduce SNOR_F_IO_MODE_EN_VOLATILE Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-09-30 18:57 ` [PATCH v14 10/15] mtd: spi-nor: Parse SFDP SCCR Map Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 8:20 ` Tudor.Ambarus 2020-10-01 8:20 ` Tudor.Ambarus 2020-10-01 11:56 ` Pratyush Yadav 2020-10-01 11:56 ` Pratyush Yadav 2020-09-30 18:57 ` [PATCH v14 11/15] mtd: spi-nor: sfdp: detect Soft Reset sequence support from BFPT Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 8:21 ` Tudor.Ambarus 2020-10-01 8:21 ` Tudor.Ambarus 2020-09-30 18:57 ` [PATCH v14 12/15] mtd: spi-nor: core: perform a Soft Reset on shutdown Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 8:23 ` Tudor.Ambarus 2020-10-01 8:23 ` Tudor.Ambarus 2020-09-30 18:57 ` Pratyush Yadav [this message] 2020-09-30 18:57 ` [PATCH v14 13/15] mtd: spi-nor: core: disable Octal DTR mode on suspend Pratyush Yadav 2020-10-01 8:26 ` Tudor.Ambarus 2020-10-01 8:26 ` Tudor.Ambarus 2020-09-30 18:57 ` [PATCH v14 14/15] mtd: spi-nor: spansion: add support for Cypress Semper flash Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 8:35 ` Tudor.Ambarus 2020-10-01 8:35 ` Tudor.Ambarus 2020-10-01 8:40 ` Pratyush Yadav 2020-10-01 8:40 ` Pratyush Yadav 2020-10-01 8:50 ` Tudor.Ambarus 2020-10-01 8:50 ` Tudor.Ambarus 2020-09-30 18:57 ` [PATCH v14 15/15] mtd: spi-nor: micron-st: allow using MT35XU512ABA in Octal DTR mode Pratyush Yadav 2020-09-30 18:57 ` Pratyush Yadav 2020-10-01 8:38 ` Tudor.Ambarus 2020-10-01 8:38 ` Tudor.Ambarus 2020-10-01 19:43 ` Pratyush Yadav 2020-10-01 19:43 ` Pratyush Yadav
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