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authorFabio Estevam <fabio.estevam@freescale.com>2012-10-04 17:14:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-06 03:05:04 +0900
commit0f3cde536d5015a918c4b3fd55fbe335428096e5 (patch)
tree35cab5c76c4808d0c5c9f169e081e85d5bd76038 /drivers/rtc
parent828296debf7853752e47b6abfa608ab0172e53ec (diff)
downloadop-kernel-dev-0f3cde536d5015a918c4b3fd55fbe335428096e5.zip
op-kernel-dev-0f3cde536d5015a918c4b3fd55fbe335428096e5.tar.gz
rtc: rtc-mxc: adapt to the new i.mx clock framework
i.mx drivers should use clk_prepare_enable/clk_disable_unprepare() in order to avoid clk warnings. While at it, convert to devm_clk_get() since other devm_ functions are used in this driver and it can also save some clk_put() calls. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-mxc.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index e3e50d6..334c43e 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -367,14 +367,14 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
pdata->ioaddr = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
- pdata->clk = clk_get(&pdev->dev, "rtc");
+ pdata->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(pdata->clk)) {
dev_err(&pdev->dev, "unable to get clock!\n");
ret = PTR_ERR(pdata->clk);
goto exit_free_pdata;
}
- clk_enable(pdata->clk);
+ clk_prepare_enable(pdata->clk);
rate = clk_get_rate(pdata->clk);
if (rate == 32768)
@@ -426,8 +426,7 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
exit_clr_drvdata:
platform_set_drvdata(pdev, NULL);
exit_put_clk:
- clk_disable(pdata->clk);
- clk_put(pdata->clk);
+ clk_disable_unprepare(pdata->clk);
exit_free_pdata:
@@ -440,8 +439,7 @@ static int __exit mxc_rtc_remove(struct platform_device *pdev)
rtc_device_unregister(pdata->rtc);
- clk_disable(pdata->clk);
- clk_put(pdata->clk);
+ clk_disable_unprepare(pdata->clk);
platform_set_drvdata(pdev, NULL);
return 0;
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