| Message ID | 20200930185732.6201-14-p.yadav@ti.com |
|---|---|
| State | Superseded |
| Delegated to: | Ambarus Tudor |
| Headers | show |
| Series | mtd: spi-nor: add xSPI Octal DTR support | expand |
On 9/30/20 9:57 PM, Pratyush Yadav wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > On resume, the init procedure will be run that will re-enable it. > > Signed-off-by: Pratyush Yadav <p.yadav@ti.com> Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.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 >
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) {
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(+)