[PATCH net-next 1/2] net: stmmac: provide stmmac_pltfr_find_clk()

[Lad, Prabhakar]

On Mon, Apr 7, 2025 at 7:39 PM Russell King (Oracle)
<rmk+kernel at armlinux.org.uk> wrote:
>
> Provide a generic way to find a clock in the bulk data.
>
> Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
> ---
>  drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 11 +++++++++++
>  drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h |  3 +++
>  2 files changed, 14 insertions(+)
>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>

Cheers,
Prabhakar

> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> index c73eff6a56b8..43c869f64c39 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> @@ -709,6 +709,17 @@ devm_stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
>  #endif /* CONFIG_OF */
>  EXPORT_SYMBOL_GPL(devm_stmmac_probe_config_dt);
>
> +struct clk *stmmac_pltfr_find_clk(struct plat_stmmacenet_data *plat_dat,
> +                                 const char *name)
> +{
> +       for (int i = 0; i < plat_dat->num_clks; i++)
> +               if (strcmp(plat_dat->clks[i].id, name) == 0)
> +                       return plat_dat->clks[i].clk;
> +
> +       return NULL;
> +}
> +EXPORT_SYMBOL_GPL(stmmac_pltfr_find_clk);
> +
>  int stmmac_get_platform_resources(struct platform_device *pdev,
>                                   struct stmmac_resources *stmmac_res)
>  {
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
> index 72dc1a32e46d..6e6561e29d6e 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
> @@ -14,6 +14,9 @@
>  struct plat_stmmacenet_data *
>  devm_stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac);
>
> +struct clk *stmmac_pltfr_find_clk(struct plat_stmmacenet_data *plat_dat,
> +                                 const char *name);
> +
>  int stmmac_get_platform_resources(struct platform_device *pdev,
>                                   struct stmmac_resources *stmmac_res);
>
> --
> 2.30.2
>