>>>>> "Jingoo" == Jingoo Han <jg1....@samsung.com> writes:
> Use devm_ioremap_resource() in order to make the code simpler, > and remove redundant return value check of platform_get_resource() > because the value is checked by devm_ioremap_resource(). > Signed-off-by: Jingoo Han <jg1....@samsung.com> Acked-by: Peter Korsgaard <jac...@sunsite.dk> > --- > drivers/char/hw_random/atmel-rng.c | 15 ++++----------- > 1 file changed, 4 insertions(+), 11 deletions(-) > diff --git a/drivers/char/hw_random/atmel-rng.c > b/drivers/char/hw_random/atmel-rng.c > index bf9fc6b..dfeddf2 100644 > --- a/drivers/char/hw_random/atmel-rng.c > +++ b/drivers/char/hw_random/atmel-rng.c > @@ -54,21 +54,14 @@ static int atmel_trng_probe(struct platform_device *pdev) > struct resource *res; > int ret; > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - if (!res) > - return -EINVAL; > - > trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL); > if (!trng) > return -ENOMEM; > - if (!devm_request_mem_region(&pdev->dev, res->start, > - resource_size(res), pdev->name)) > - return -EBUSY; > - > - trng->base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); > - if (!trng->base) > - return -EBUSY; > + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + trng->base = devm_ioremap_resource(&pdev->dev, res); > + if (IS_ERR(trng->base)) > + return PTR_ERR(trng->base); trng-> clk = clk_get(&pdev->dev, NULL); > if (IS_ERR(trng->clk)) > -- > 1.7.10.4 -- Bye, Peter Korsgaard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
