Re: [PATCH net-next 07/11] net: stmmac: platform: provide stmmac_pltfr_remove_no_dt()

From: Simon Horman <simon.horman@corigine.com>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Junxiao Chang <junxiao.chang@intel.com>,
	Vinod Koul <vkoul@kernel.org>,
	Bhupesh Sharma <bhupesh.sharma@linaro.org>,
	netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Subject: Re: [PATCH net-next 07/11] net: stmmac: platform: provide stmmac_pltfr_remove_no_dt()
Date: Thu, 22 Jun 2023 14:14:53 +0200	[thread overview]
Message-ID: <ZJQ7PX01NAXmr7RV@corigine.com> (raw)
In-Reply-To: <20230621153650.440350-8-brgl@bgdev.pl>

On Wed, Jun 21, 2023 at 05:36:46PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> 
> Add a variant of stmmac_pltfr_remove() that only frees resources
> allocated by stmmac_pltfr_probe() and - unlike stmmac_pltfr_remove() -
> does not call stmmac_remove_config_dt().
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> ---
>  .../ethernet/stmicro/stmmac/stmmac_platform.c | 20 +++++++++++++++++--
>  .../ethernet/stmicro/stmmac/stmmac_platform.h |  1 +
>  2 files changed, 19 insertions(+), 2 deletions(-)
> 

Hi Bartosz,

some minor feedback from my side as it looks like there will be a v2 anyway.

> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> index df417cdab8c1..58d5c5cc2269 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> @@ -762,6 +762,23 @@ int stmmac_pltfr_probe(struct platform_device *pdev,
>  }
>  EXPORT_SYMBOL_GPL(stmmac_pltfr_probe);
>  
> +/**
> + * stmmac_pltfr_remove_no_dt
> + * @pdev: pointer to the platform device
> + * Description: This undoes the effects of stmmac_pltfr_probe() by removing the
> + * driver and calling the platform's exit() callback.
> + */
> +void stmmac_pltfr_remove_no_dt(struct platform_device *pdev)
> +{
> +	struct net_device *ndev = platform_get_drvdata(pdev);
> +	struct stmmac_priv *priv = netdev_priv(ndev);
> +	struct plat_stmmacenet_data *plat = priv->plat;

nit: please use reverse xmas tree - longest line to shortest - for
     new Networking code.

     e.g.:

	struct net_device *ndev = platform_get_drvdata(pdev);
	struct stmmac_priv *priv = netdev_priv(ndev);
	struct plat_stmmacenet_data *plat = plat;

	plat = priv->plat;

> +
> +	stmmac_dvr_remove(&pdev->dev);
> +	stmmac_pltfr_exit(pdev, plat);
> +}
> +EXPORT_SYMBOL_GPL(stmmac_pltfr_remove_no_dt);
> +
>  /**
>   * stmmac_pltfr_remove
>   * @pdev: platform device pointer

...

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