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hwrng: cctrn - Simplify with dev_err_probe()

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Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Krzysztof Kozlowski 2020-08-26 17:32:33 +02:00 committed by Herbert Xu
parent d08d387b73
commit 4d6aef2f2e
1 changed files with 4 additions and 5 deletions
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9
drivers/char/hw_random/cctrng.c
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@ -463,11 +463,10 @@ static int cc_trng_clk_init(struct cctrng_drvdata *drvdata)
int rc = 0;
clk = devm_clk_get_optional(dev, NULL);
if (IS_ERR(clk)) {
if (PTR_ERR(clk) != -EPROBE_DEFER)
dev_err(dev, "Error getting clock: %pe\n", clk);
return PTR_ERR(clk);
}
if (IS_ERR(clk))
return dev_err_probe(dev, PTR_ERR(clk),
"Error getting clock\n");
drvdata->clk = clk;
rc = clk_prepare_enable(drvdata->clk);