From 490c97747d5dc77dfb5826e2823b41d8b2ef7ecc Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 11 Mar 2014 10:59:12 +0100 Subject: spi: rspi: Add runtime PM support, using spi core auto_runtime_pm Signed-off-by: Geert Uytterhoeven Signed-off-by: Mark Brown --- drivers/spi/spi-rspi.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) (limited to 'drivers/spi/spi-rspi.c') diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index 92bec7e91046..1fb0ad213324 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -1111,7 +1112,7 @@ static int rspi_remove(struct platform_device *pdev) struct rspi_data *rspi = platform_get_drvdata(pdev); rspi_release_dma(rspi); - clk_disable_unprepare(rspi->clk); + pm_runtime_disable(&pdev->dev); return 0; } @@ -1242,16 +1243,13 @@ static int rspi_probe(struct platform_device *pdev) goto error1; } - ret = clk_prepare_enable(rspi->clk); - if (ret < 0) { - dev_err(&pdev->dev, "unable to prepare/enable clock\n"); - goto error1; - } + pm_runtime_enable(&pdev->dev); init_waitqueue_head(&rspi->wait); master->bus_num = pdev->id; master->setup = rspi_setup; + master->auto_runtime_pm = true; master->transfer_one = ops->transfer_one; master->prepare_message = rspi_prepare_message; master->unprepare_message = rspi_unprepare_message; @@ -1312,7 +1310,7 @@ static int rspi_probe(struct platform_device *pdev) error3: rspi_release_dma(rspi); error2: - clk_disable_unprepare(rspi->clk); + pm_runtime_disable(&pdev->dev); error1: spi_master_put(master); -- cgit v1.2.3-58-ga151