diff options
| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2018-06-04 11:46:33 +0300 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-08-01 10:18:43 +0300 |
| commit | de217c1cca435a39f79cf9cb9279764688fc1cc4 (patch) | |
| tree | 811b0df290f533e31afd1981499d66091018d39d /drivers/mtd | |
| parent | 38ebbe2b7282e985a7acc862892564e8fbbde866 (diff) | |
| download | linux-de217c1cca435a39f79cf9cb9279764688fc1cc4.tar.xz | |
mtd: spi-nor: atmel-quadspi: add suspend/resume hooks
Implement suspend/resume hooks.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/spi-nor/atmel-quadspi.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/atmel-quadspi.c b/drivers/mtd/spi-nor/atmel-quadspi.c index 6c5708bacad8..ceaaef47f02e 100644 --- a/drivers/mtd/spi-nor/atmel-quadspi.c +++ b/drivers/mtd/spi-nor/atmel-quadspi.c @@ -737,6 +737,26 @@ static int atmel_qspi_remove(struct platform_device *pdev) return 0; } +static int __maybe_unused atmel_qspi_suspend(struct device *dev) +{ + struct atmel_qspi *aq = dev_get_drvdata(dev); + + clk_disable_unprepare(aq->clk); + + return 0; +} + +static int __maybe_unused atmel_qspi_resume(struct device *dev) +{ + struct atmel_qspi *aq = dev_get_drvdata(dev); + + clk_prepare_enable(aq->clk); + + return atmel_qspi_init(aq); +} + +static SIMPLE_DEV_PM_OPS(atmel_qspi_pm_ops, atmel_qspi_suspend, + atmel_qspi_resume); static const struct of_device_id atmel_qspi_dt_ids[] = { { .compatible = "atmel,sama5d2-qspi" }, @@ -749,6 +769,7 @@ static struct platform_driver atmel_qspi_driver = { .driver = { .name = "atmel_qspi", .of_match_table = atmel_qspi_dt_ids, + .pm = &atmel_qspi_pm_ops, }, .probe = atmel_qspi_probe, .remove = atmel_qspi_remove, |