* [PATCH 8/9 v5] crypto:s5p-sss: Use clk_prepare/clk_unprepare
[not found] <1389354331-32142-1-git-send-email-ch.naveen@samsung.com>
@ 2014-01-29 9:26 ` Naveen Krishna Chatradhi
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From: Naveen Krishna Chatradhi @ 2014-01-29 9:26 UTC (permalink / raw)
To: linux-crypto, linux-samsung-soc
Cc: linux-kernel, vzapolskiy, herbert, naveenkrishna.ch, cpgs,
devicetree
This patch set adds use of clk_prepare/clk_unprepare as
required by generic clock framework.
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
---
Changes since v4:
Handle return value of clk_prepare_enable
Changes since v3:
None
drivers/crypto/s5p-sss.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index a890273..5bd3bd9 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -648,7 +648,11 @@ static int s5p_aes_probe(struct platform_device *pdev)
return -ENOENT;
}
- clk_enable(pdata->clk);
+ err = clk_prepare_enable(pdata->clk);
+ if (err < 0) {
+ dev_err(dev, "Enabling SSS clk failed, err %d\n", err);
+ return err;
+ }
spin_lock_init(&pdata->lock);
pdata->ioaddr = devm_ioremap(dev, res->start,
@@ -711,7 +715,7 @@ static int s5p_aes_probe(struct platform_device *pdev)
tasklet_kill(&pdata->tasklet);
err_irq:
- clk_disable(pdata->clk);
+ clk_disable_unprepare(pdata->clk);
s5p_dev = NULL;
@@ -731,7 +735,7 @@ static int s5p_aes_remove(struct platform_device *pdev)
tasklet_kill(&pdata->tasklet);
- clk_disable(pdata->clk);
+ clk_disable_unprepare(pdata->clk);
s5p_dev = NULL;
--
1.7.9.5
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