patches.renesas/0089-spi-rspi-Convert-to-clk_prepare_enable-disable_unpre.patch

From 571da81201378c6fe16c0f73e6da32a0a6bf63c3 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Date: Fri, 24 Jan 2014 09:44:01 +0100
Subject: spi: rspi: Convert to clk_prepare_enable/disable_unprepare

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@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit 17fe0d9a28fe742c467f800625459cf7bcb44b3b)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 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 28db8770aaf3..a648b40c271b 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -980,7 +980,7 @@ 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;
 }
@@ -1041,7 +1041,12 @@ 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_waitqueue_head(&rspi->wait);
 
@@ -1112,7 +1117,7 @@ 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);
 
-- 
2.1.2