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authorMartin Kaiser <martin@kaiser.cx>2023-07-04 19:06:44 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2023-07-20 22:16:23 +1200
commitea6084559285f4436434630a0e0d9e82709a04f2 (patch)
treeffba960663ae527a77632da11430689818979494 /drivers/char
parent8690b09c30b274691bc5bb7b1332a27a7cbe5db7 (diff)
hwrng: imx-rngc - use dev_err_probe
Simplify the code by calling dev_err_probe instead of dev_err and return. While at it, use the same device for all error messages. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Reviewed-by: Rouven Czerwinski <r.czerwinskis@pengutronix.de> Reviewed-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/hw_random/imx-rngc.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/char/hw_random/imx-rngc.c b/drivers/char/hw_random/imx-rngc.c
index bf07f17f78c8..e4b385b01b11 100644
--- a/drivers/char/hw_random/imx-rngc.c
+++ b/drivers/char/hw_random/imx-rngc.c
@@ -239,10 +239,8 @@ static int __init imx_rngc_probe(struct platform_device *pdev)
return PTR_ERR(rngc->base);
rngc->clk = devm_clk_get_enabled(&pdev->dev, NULL);
- if (IS_ERR(rngc->clk)) {
- dev_err(&pdev->dev, "Can not get rng_clk\n");
- return PTR_ERR(rngc->clk);
- }
+ if (IS_ERR(rngc->clk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(rngc->clk), "Cannot get rng_clk\n");
irq = platform_get_irq(pdev, 0);
if (irq < 0)
@@ -272,24 +270,18 @@ static int __init imx_rngc_probe(struct platform_device *pdev)
ret = devm_request_irq(&pdev->dev,
irq, imx_rngc_irq, 0, pdev->name, (void *)rngc);
- if (ret) {
- dev_err(rngc->dev, "Can't get interrupt working.\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "Can't get interrupt working.\n");
if (self_test) {
ret = imx_rngc_self_test(rngc);
- if (ret) {
- dev_err(rngc->dev, "self test failed\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "self test failed\n");
}
ret = devm_hwrng_register(&pdev->dev, &rngc->rng);
- if (ret) {
- dev_err(&pdev->dev, "hwrng registration failed\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "hwrng registration failed\n");
dev_info(&pdev->dev,
"Freescale RNG%c registered (HW revision %d.%02d)\n",