netdev - Re: [PATCH net-next 1/2] net: stmmac: provide stmmac_pltfr_find

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Message-ID: <CA+V-a8v02JWb9fKPhRB8vLoA8Kt9h3wnGic8uWZZEc+9eptGpQ@mail.gmail.com>
Date: Mon, 7 Apr 2025 20:29:11 +0100
From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Cc: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>, 
	Alexandre Torgue <alexandre.torgue@...s.st.com>, Andrew Lunn <andrew+netdev@...n.ch>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Jon Hunter <jonathanh@...dia.com>, 
	linux-arm-kernel@...ts.infradead.org, 
	linux-stm32@...md-mailman.stormreply.com, 
	Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org, 
	Paolo Abeni <pabeni@...hat.com>, Thierry Reding <treding@...dia.com>
Subject: Re: [PATCH net-next 1/2] net: stmmac: provide stmmac_pltfr_find_clk()

On Mon, Apr 7, 2025 at 7:39 PM Russell King (Oracle)
<rmk+kernel@...linux.org.uk> wrote:
>
> Provide a generic way to find a clock in the bulk data.
>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.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@...renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...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
>