[PATCH 2/9] spi: rspi: Convert to clk_prepare_enable/disable_unprepare
Geert Uytterhoeven
geert at linux-m68k.org
Sun Jan 12 06:13:35 EST 2014
From: Geert Uytterhoeven <geert+renesas at linux-m68k.org>
Get the driver ready for the migration to the common clock framework by
calling clk_prepare_enable() and clk_disable_unprepare().
Signed-off-by: Geert Uytterhoeven <geert+renesas at linux-m68k.org>
---
drivers/spi/spi-rspi.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index 5ce2127b2b43..b6439c9505ac 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -1066,7 +1066,7 @@ static int rspi_remove(struct platform_device *pdev)
struct rspi_data *rspi = platform_get_drvdata(pdev);
rspi_release_dma(rspi);
- clk_disable(rspi->clk);
+ clk_disable_unprepare(rspi->clk);
return 0;
}
@@ -1115,7 +1115,12 @@ static int rspi_probe(struct platform_device *pdev)
ret = PTR_ERR(rspi->clk);
goto error1;
}
- clk_enable(rspi->clk);
+
+ ret = clk_prepare_enable(rspi->clk);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "unable to prepare/enable clock\n");
+ goto error1;
+ }
INIT_LIST_HEAD(&rspi->queue);
spin_lock_init(&rspi->lock);
@@ -1177,7 +1182,7 @@ static int rspi_probe(struct platform_device *pdev)
error3:
rspi_release_dma(rspi);
error2:
- clk_disable(rspi->clk);
+ clk_disable_unprepare(rspi->clk);
error1:
spi_master_put(master);
--
1.7.9.5
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