[PATCH 3/4] hwrng: cctrng - merge cc_trng_clk_init into its only caller

From: Martin Kaiser
Date: Wed Jul 19 2023 - 03:20:24 EST


cc_trng_clk_init is called only from the probe function. Merge the two
functions, this saves some lines of code.

Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
---
drivers/char/hw_random/cctrng.c | 24 ++++--------------------
1 file changed, 4 insertions(+), 20 deletions(-)

diff --git a/drivers/char/hw_random/cctrng.c b/drivers/char/hw_random/cctrng.c
index ac4a2fbc6a0f..2a1887f6483f 100644
--- a/drivers/char/hw_random/cctrng.c
+++ b/drivers/char/hw_random/cctrng.c
@@ -455,21 +455,6 @@ static void cc_trng_startwork_handler(struct work_struct *w)
cc_trng_hw_trigger(drvdata);
}

-
-static int cc_trng_clk_init(struct cctrng_drvdata *drvdata)
-{
- struct clk *clk;
- struct device *dev = &(drvdata->pdev->dev);
-
- clk = devm_clk_get_optional_enabled(dev, NULL);
- if (IS_ERR(clk))
- return dev_err_probe(dev, PTR_ERR(clk),
- "Failed to get or enable the clock\n");
-
- drvdata->clk = clk;
- return 0;
-}
-
static int cctrng_probe(struct platform_device *pdev)
{
struct cctrng_drvdata *drvdata;
@@ -517,11 +502,10 @@ static int cctrng_probe(struct platform_device *pdev)
return rc;
}

- rc = cc_trng_clk_init(drvdata);
- if (rc) {
- dev_err(dev, "cc_trng_clk_init failed\n");
- return rc;
- }
+ drvdata->clk = devm_clk_get_optional_enabled(dev, NULL);
+ if (IS_ERR(drvdata->clk))
+ return dev_err_probe(dev, PTR_ERR(drvdata->clk),
+ "Failed to get or enable the clock\n");

INIT_WORK(&drvdata->compwork, cc_trng_compwork_handler);
INIT_WORK(&drvdata->startwork, cc_trng_startwork_handler);
--
2.30.2