Re: [PATCH net-next v3 3/4] stmmac: Remove pcim_* functions for driver detach

[Yanteng Si]

在 2/24/25 9:53 PM, Philipp Stanner 写道:
> Functions prefixed with "pcim_" are managed devres functions which
> perform automatic cleanup once the driver unloads. It is, thus, not
> necessary to call any cleanup functions in remove() callbacks.
>
> Remove the pcim_ cleanup function calls in the remove() callbacks.
>
> Signed-off-by: Philipp Stanner <phasta@xxxxxxxxxx>
> ---
>   drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c |  7 -------
>   drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c     | 10 ----------
>   2 files changed, 17 deletions(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
> index e3cacd085b3f..f3ea6016be68 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
> @@ -614,13 +614,6 @@ static void loongson_dwmac_remove(struct pci_dev *pdev)
>   	if (ld->loongson_id == DWMAC_CORE_LS_MULTICHAN)
>   		loongson_dwmac_msi_clear(pdev);
>   
> -	for (i = 0; i < PCI_STD_NUM_BARS; i++) {
> -		if (pci_resource_len(pdev, i) == 0)
> -			continue;
> -		pcim_iounmap_regions(pdev, BIT(i));
> -		break;
> -	}
> -
>   	pci_disable_device(pdev);
>   }
>   
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
> index 352b01678c22..91ff6c15f977 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
> @@ -227,20 +227,10 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
>    *
>    * @pdev: platform device pointer

>    * Description: this function calls the main to free the net resources

There is a missing full stop. You commented on the next email,

and it seems that you are already preparing for v4.  With this


Reviewed-by: Yanteng Si <si.yanteng@xxxxxxxxx>

Thanks,
Yanteng

> - * and releases the PCI resources.
>    */
>   static void stmmac_pci_remove(struct pci_dev *pdev)
>   {
> -	int i;
> -
>   	stmmac_dvr_remove(&pdev->dev);
> -
> -	for (i = 0; i < PCI_STD_NUM_BARS; i++) {
> -		if (pci_resource_len(pdev, i) == 0)
> -			continue;
> -		pcim_iounmap_regions(pdev, BIT(i));
> -		break;
> -	}
>   }
>   
>   static int __maybe_unused stmmac_pci_suspend(struct device *dev)