Re: [PATCH v3 1/6] PCI: kirin: Use helper function for_each_available_child_of_node_scoped()

[Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>]

On Sat, Aug 31, 2024 at 12:04:08PM +0800, Zhang Zekun wrote:
> for_each_available_child_of_node_scoped() provides a scope-based cleanup
> functionality to put the device_node automatically, and we don't need to
> call of_node_put() directly.  Let's simplify the code a bit with the use
> of these functions.
> 
> Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

- Mani

> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> ---
> v2:
> Fix spelling error in commit message.
> 
>  drivers/pci/controller/dwc/pcie-kirin.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c
> index 0a29136491b8..e9bda1746ca5 100644
> --- a/drivers/pci/controller/dwc/pcie-kirin.c
> +++ b/drivers/pci/controller/dwc/pcie-kirin.c
> @@ -452,7 +452,7 @@ static long kirin_pcie_get_resource(struct kirin_pcie *kirin_pcie,
>  				    struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
> -	struct device_node *child, *node = dev->of_node;
> +	struct device_node *node = dev->of_node;
>  	void __iomem *apb_base;
>  	int ret;
>  
> @@ -477,17 +477,13 @@ static long kirin_pcie_get_resource(struct kirin_pcie *kirin_pcie,
>  		return ret;
>  
>  	/* Parse OF children */
> -	for_each_available_child_of_node(node, child) {
> +	for_each_available_child_of_node_scoped(node, child) {
>  		ret = kirin_pcie_parse_port(kirin_pcie, pdev, child);
>  		if (ret)
> -			goto put_node;
> +			return ret;
>  	}
>  
>  	return 0;
> -
> -put_node:
> -	of_node_put(child);
> -	return ret;
>  }
>  
>  static void kirin_pcie_sideband_dbi_w_mode(struct kirin_pcie *kirin_pcie,
> -- 
> 2.17.1
> 

-- 
மணிவண்ணன் சதாசிவம்