[PATCH net-next v3 2/4] stmmac: loongson: Remove surplus loop
Huacai Chen
chenhuacai at kernel.org
Tue Feb 25 01:29:01 PST 2025
On Mon, Feb 24, 2025 at 9:53 PM Philipp Stanner <phasta at kernel.org> wrote:
>
> loongson_dwmac_probe() contains a loop which doesn't have an effect,
> because it tries to call pcim_iomap_regions() with the same parameters
> several times. The break statement at the loop's end furthermore ensures
> that the loop only runs once anyways.
>
> Remove the surplus loop.
>
> Signed-off-by: Philipp Stanner <phasta at kernel.org>
Reviewed-by: Huacai Chen <chenhuacai at loongson.cn>
> ---
> drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
> index 73a6715a93e6..e3cacd085b3f 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
> @@ -554,14 +554,9 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id
> pci_set_master(pdev);
>
> /* Get the base address of device */
> - for (i = 0; i < PCI_STD_NUM_BARS; i++) {
> - if (pci_resource_len(pdev, i) == 0)
> - continue;
> - ret = pcim_iomap_regions(pdev, BIT(0), DRIVER_NAME);
> - if (ret)
> - goto err_disable_device;
> - break;
> - }
> + ret = pcim_iomap_regions(pdev, BIT(0), DRIVER_NAME);
> + if (ret)
> + goto err_disable_device;
>
> memset(&res, 0, sizeof(res));
> res.addr = pcim_iomap_table(pdev)[0];
> --
> 2.48.1
>
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