linux-kernel - Re: [net-next v2 7/9] net: ethernet: marvell: mvneta: Convert to devm_clk_get

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Message-ID: <CAHzn2R39CuQS3WJYs7=2jeg8LvhTrYC8xKmOiTDZKLhmbsLqig@mail.gmail.com>
Date: Fri, 23 Aug 2024 18:54:23 +0200
From: Marcin Wojtas <marcin.s.wojtas@...il.com>
To: Yangtao Li <frank.li@...o.com>
Cc: clement.leger@...tlin.com, andrew@...n.ch, f.fainelli@...il.com, 
	olteanv@...il.com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, 
	pabeni@...hat.com, ulli.kroll@...glemail.com, linus.walleij@...aro.org, 
	linux@...linux.org.uk, alexandre.torgue@...s.st.com, joabreu@...opsys.com, 
	mcoquelin.stm32@...il.com, hkallweit1@...il.com, kees@...nel.org, 
	justinstitt@...gle.com, u.kleine-koenig@...gutronix.de, horms@...nel.org, 
	sd@...asysnail.net, linux-renesas-soc@...r.kernel.org, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-stm32@...md-mailman.stormreply.com, 
	Maxime Chevallier <maxime.chevallier@...tlin.com>
Subject: Re: [net-next v2 7/9] net: ethernet: marvell: mvneta: Convert to devm_clk_get_enabled()

pt., 23 sie 2024 o 09:07 Yangtao Li <frank.li@...o.com> napisał(a):
>
> Convert devm_clk_get(), clk_prepare_enable() to a single
> call to devm_clk_get_enabled(), as this is exactly
> what this function does.
>
> Signed-off-by: Yangtao Li <frank.li@...o.com>
> Reviewed-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> ---

Reviewed-by: Marcin Wojtas <marcin.s.wojtas@...il.com>

Thanks!
Marcin


>  drivers/net/ethernet/marvell/mvneta_bm.c | 16 +++++-----------
>  drivers/net/ethernet/marvell/mvneta_bm.h |  1 -
>  2 files changed, 5 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/net/ethernet/marvell/mvneta_bm.c b/drivers/net/ethernet/marvell/mvneta_bm.c
> index 3f46a0fed048..bfd1ed12d98c 100644
> --- a/drivers/net/ethernet/marvell/mvneta_bm.c
> +++ b/drivers/net/ethernet/marvell/mvneta_bm.c
> @@ -411,6 +411,7 @@ static int mvneta_bm_probe(struct platform_device *pdev)
>  {
>         struct device_node *dn = pdev->dev.of_node;
>         struct mvneta_bm *priv;
> +       struct clk *clk;
>         int err;
>
>         priv = devm_kzalloc(&pdev->dev, sizeof(struct mvneta_bm), GFP_KERNEL);
> @@ -421,17 +422,14 @@ static int mvneta_bm_probe(struct platform_device *pdev)
>         if (IS_ERR(priv->reg_base))
>                 return PTR_ERR(priv->reg_base);
>
> -       priv->clk = devm_clk_get(&pdev->dev, NULL);
> -       if (IS_ERR(priv->clk))
> -               return PTR_ERR(priv->clk);
> -       err = clk_prepare_enable(priv->clk);
> -       if (err < 0)
> -               return err;
> +       clk = devm_clk_get_enabled(&pdev->dev, NULL);
> +       if (IS_ERR(clk))
> +               return PTR_ERR(clk);
>
>         err = mvneta_bm_get_sram(dn, priv);
>         if (err < 0) {
>                 dev_err(&pdev->dev, "failed to allocate internal memory\n");
> -               goto err_clk;
> +               return err;
>         }
>
>         priv->pdev = pdev;
> @@ -452,8 +450,6 @@ static int mvneta_bm_probe(struct platform_device *pdev)
>
>  err_sram:
>         mvneta_bm_put_sram(priv);
> -err_clk:
> -       clk_disable_unprepare(priv->clk);
>         return err;
>  }
>
> @@ -473,8 +469,6 @@ static void mvneta_bm_remove(struct platform_device *pdev)
>
>         /* Dectivate BM unit */
>         mvneta_bm_write(priv, MVNETA_BM_COMMAND_REG, MVNETA_BM_STOP_MASK);
> -
> -       clk_disable_unprepare(priv->clk);
>  }
>
>  static const struct of_device_id mvneta_bm_match[] = {
> diff --git a/drivers/net/ethernet/marvell/mvneta_bm.h b/drivers/net/ethernet/marvell/mvneta_bm.h
> index e47783ce77e0..396dced914aa 100644
> --- a/drivers/net/ethernet/marvell/mvneta_bm.h
> +++ b/drivers/net/ethernet/marvell/mvneta_bm.h
> @@ -94,7 +94,6 @@ enum mvneta_bm_type {
>
>  struct mvneta_bm {
>         void __iomem *reg_base;
> -       struct clk *clk;
>         struct platform_device *pdev;
>
>         struct gen_pool *bppi_pool;
> --
> 2.39.0
>