spi: atmel: convert from legacy pm ops to dev_pm_ops
Instead of using legacy suspend/resume methods, using newer
dev_pm_ops structure allows better control over power management.
Also, duplicated 'return' is removed from atmel_spi_resume().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index fd7cc56..3daf754 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1675,29 +1675,30 @@
return 0;
}
-#ifdef CONFIG_PM
-
-static int atmel_spi_suspend(struct platform_device *pdev, pm_message_t mesg)
+#ifdef CONFIG_PM_SLEEP
+static int atmel_spi_suspend(struct device *dev)
{
- struct spi_master *master = platform_get_drvdata(pdev);
+ struct spi_master *master = dev_get_drvdata(dev);
struct atmel_spi *as = spi_master_get_devdata(master);
clk_disable_unprepare(as->clk);
return 0;
}
-static int atmel_spi_resume(struct platform_device *pdev)
+static int atmel_spi_resume(struct device *dev)
{
- struct spi_master *master = platform_get_drvdata(pdev);
+ struct spi_master *master = dev_get_drvdata(dev);
struct atmel_spi *as = spi_master_get_devdata(master);
- return clk_prepare_enable(as->clk);
+ clk_prepare_enable(as->clk);
return 0;
}
+static SIMPLE_DEV_PM_OPS(atmel_spi_pm_ops, atmel_spi_suspend, atmel_spi_resume);
+
+#define ATMEL_SPI_PM_OPS (&atmel_spi_pm_ops)
#else
-#define atmel_spi_suspend NULL
-#define atmel_spi_resume NULL
+#define ATMEL_SPI_PM_OPS NULL
#endif
#if defined(CONFIG_OF)
@@ -1713,10 +1714,9 @@
.driver = {
.name = "atmel_spi",
.owner = THIS_MODULE,
+ .pm = ATMEL_SPI_PM_OPS,
.of_match_table = of_match_ptr(atmel_spi_dt_ids),
},
- .suspend = atmel_spi_suspend,
- .resume = atmel_spi_resume,
.probe = atmel_spi_probe,
.remove = atmel_spi_remove,
};