spi/pl022: Convert to core runtime PM

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index abef061fb84af1537afde292373604be6d1e85b1..07e6db6c810fb5bcb8b2e1201ff18f74b9d4c3cc 100644 (file)
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -1555,18 +1555,6 @@ static int pl022_transfer_one_message(struct spi_master *master,
        return 0;
 }
 
-static int pl022_prepare_transfer_hardware(struct spi_master *master)
-{
-       struct pl022 *pl022 = spi_master_get_devdata(master);
-
-       /*
-        * Just make sure we have all we need to run the transfer by syncing
-        * with the runtime PM framework.
-        */
-       pm_runtime_get_sync(&pl022->adev->dev);
-       return 0;
-}
-
 static int pl022_unprepare_transfer_hardware(struct spi_master *master)
 {
        struct pl022 *pl022 = spi_master_get_devdata(master);
@@ -1575,13 +1563,6 @@ static int pl022_unprepare_transfer_hardware(struct spi_master *master)
        writew((readw(SSP_CR1(pl022->virtbase)) &
                (~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase));
 
-       if (pl022->master_info->autosuspend_delay > 0) {
-               pm_runtime_mark_last_busy(&pl022->adev->dev);
-               pm_runtime_put_autosuspend(&pl022->adev->dev);
-       } else {
-               pm_runtime_put(&pl022->adev->dev);
-       }
-
        return 0;
 }
 
@@ -2139,7 +2120,7 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id)
        master->num_chipselect = num_cs;
        master->cleanup = pl022_cleanup;
        master->setup = pl022_setup;
-       master->prepare_transfer_hardware = pl022_prepare_transfer_hardware;
+       master->auto_runtime_pm = true;
        master->transfer_one_message = pl022_transfer_one_message;
        master->unprepare_transfer_hardware = pl022_unprepare_transfer_hardware;
        master->rt = platform_info->rt;