netdev - Re: [PATCH 08/26] net: stmmac: dwmac-qcom-ethqos: use a helper variable for &pdev->dev

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Date: Mon, 12 Jun 2023 13:38:39 -0500
From: Andrew Halaney <ahalaney@...hat.com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Vinod Koul <vkoul@...nel.org>,
	Bhupesh Sharma <bhupesh.sharma@...aro.org>,
	Andy Gross <agross@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>, netdev@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 08/26] net: stmmac: dwmac-qcom-ethqos: use a helper
 variable for &pdev->dev

On Mon, Jun 12, 2023 at 11:23:37AM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> Shrink code and avoid line breaks by using a helper variable for
> &pdev->dev.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> ---
>  .../stmicro/stmmac/dwmac-qcom-ethqos.c        | 48 ++++++++++---------
>  1 file changed, 26 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
> index 28d2514a8795..e19d142630d3 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
> @@ -123,25 +123,26 @@ static void rgmii_updatel(struct qcom_ethqos *ethqos,
>  static void rgmii_dump(void *priv)
>  {
>  	struct qcom_ethqos *ethqos = priv;
> +	struct device *dev = &ethqos->pdev->dev;
>  
> -	dev_dbg(&ethqos->pdev->dev, "Rgmii register dump\n");
> -	dev_dbg(&ethqos->pdev->dev, "RGMII_IO_MACRO_CONFIG: %x\n",
> +	dev_dbg(dev, "Rgmii register dump\n");
> +	dev_dbg(dev, "RGMII_IO_MACRO_CONFIG: %x\n",
>  		rgmii_readl(ethqos, RGMII_IO_MACRO_CONFIG));
> -	dev_dbg(&ethqos->pdev->dev, "SDCC_HC_REG_DLL_CONFIG: %x\n",
> +	dev_dbg(dev, "SDCC_HC_REG_DLL_CONFIG: %x\n",
>  		rgmii_readl(ethqos, SDCC_HC_REG_DLL_CONFIG));
> -	dev_dbg(&ethqos->pdev->dev, "SDCC_HC_REG_DDR_CONFIG: %x\n",
> +	dev_dbg(dev, "SDCC_HC_REG_DDR_CONFIG: %x\n",
>  		rgmii_readl(ethqos, SDCC_HC_REG_DDR_CONFIG));
> -	dev_dbg(&ethqos->pdev->dev, "SDCC_HC_REG_DLL_CONFIG2: %x\n",
> +	dev_dbg(dev, "SDCC_HC_REG_DLL_CONFIG2: %x\n",
>  		rgmii_readl(ethqos, SDCC_HC_REG_DLL_CONFIG2));
> -	dev_dbg(&ethqos->pdev->dev, "SDC4_STATUS: %x\n",
> +	dev_dbg(dev, "SDC4_STATUS: %x\n",
>  		rgmii_readl(ethqos, SDC4_STATUS));
> -	dev_dbg(&ethqos->pdev->dev, "SDCC_USR_CTL: %x\n",
> +	dev_dbg(dev, "SDCC_USR_CTL: %x\n",
>  		rgmii_readl(ethqos, SDCC_USR_CTL));
> -	dev_dbg(&ethqos->pdev->dev, "RGMII_IO_MACRO_CONFIG2: %x\n",
> +	dev_dbg(dev, "RGMII_IO_MACRO_CONFIG2: %x\n",
>  		rgmii_readl(ethqos, RGMII_IO_MACRO_CONFIG2));
> -	dev_dbg(&ethqos->pdev->dev, "RGMII_IO_MACRO_DEBUG1: %x\n",
> +	dev_dbg(dev, "RGMII_IO_MACRO_DEBUG1: %x\n",
>  		rgmii_readl(ethqos, RGMII_IO_MACRO_DEBUG1));
> -	dev_dbg(&ethqos->pdev->dev, "EMAC_SYSTEM_LOW_POWER_DEBUG: %x\n",
> +	dev_dbg(dev, "EMAC_SYSTEM_LOW_POWER_DEBUG: %x\n",
>  		rgmii_readl(ethqos, EMAC_SYSTEM_LOW_POWER_DEBUG));
>  }
>  
> @@ -242,6 +243,7 @@ static const struct ethqos_emac_driver_data emac_v3_0_0_data = {
>  
>  static int ethqos_dll_configure(struct qcom_ethqos *ethqos)
>  {
> +	struct device *dev = &ethqos->pdev->dev;
>  	unsigned int val;
>  	int retry = 1000;
>  
> @@ -279,7 +281,7 @@ static int ethqos_dll_configure(struct qcom_ethqos *ethqos)
>  		retry--;
>  	} while (retry > 0);
>  	if (!retry)
> -		dev_err(&ethqos->pdev->dev, "Clear CK_OUT_EN timedout\n");
> +		dev_err(dev, "Clear CK_OUT_EN timedout\n");
>  
>  	/* Set CK_OUT_EN */
>  	rgmii_updatel(ethqos, SDCC_DLL_CONFIG_CK_OUT_EN,
> @@ -296,7 +298,7 @@ static int ethqos_dll_configure(struct qcom_ethqos *ethqos)
>  		retry--;
>  	} while (retry > 0);
>  	if (!retry)
> -		dev_err(&ethqos->pdev->dev, "Set CK_OUT_EN timedout\n");
> +		dev_err(dev, "Set CK_OUT_EN timedout\n");
>  
>  	/* Set DDR_CAL_EN */
>  	rgmii_updatel(ethqos, SDCC_DLL_CONFIG2_DDR_CAL_EN,
> @@ -322,12 +324,13 @@ static int ethqos_dll_configure(struct qcom_ethqos *ethqos)
>  
>  static int ethqos_rgmii_macro_init(struct qcom_ethqos *ethqos)
>  {
> +	struct device *dev = &ethqos->pdev->dev;
>  	int phase_shift;
>  	int phy_mode;
>  	int loopback;
>  
>  	/* Determine if the PHY adds a 2 ns TX delay or the MAC handles it */
> -	phy_mode = device_get_phy_mode(&ethqos->pdev->dev);
> +	phy_mode = device_get_phy_mode(dev);
>  	if (phy_mode == PHY_INTERFACE_MODE_RGMII_ID ||
>  	    phy_mode == PHY_INTERFACE_MODE_RGMII_TXID)
>  		phase_shift = 0;
> @@ -468,7 +471,7 @@ static int ethqos_rgmii_macro_init(struct qcom_ethqos *ethqos)
>  			      loopback, RGMII_IO_MACRO_CONFIG);
>  		break;
>  	default:
> -		dev_err(&ethqos->pdev->dev,
> +		dev_err(dev,
>  			"Invalid speed %d\n", ethqos->speed);

nit: You could put this on the prior line now

With that in place, feel free to add:

    Reviewed-by: Andrew Halaney <ahalaney@...hat.com>