linux-kernel - Re: [RESEND AGAIN][PATCH 1/2] phy: bcm-ns2-pcie: Get rid of struct ns2_pci

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Date:   Tue, 30 Aug 2016 19:35:22 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Axel Lin <axel.lin@...ics.com>
CC:     Pramod Kumar <pramod.kumar@...adcom.com>,
        Andrew Lunn <andrew@...n.ch>,
        Jon Mason <jonmason@...adcom.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND AGAIN][PATCH 1/2] phy: bcm-ns2-pcie: Get rid of struct
 ns2_pci_phy



On Tuesday 30 August 2016 07:23 PM, Axel Lin wrote:
> By setting phy_set_drvdata(phy, mdiodev), struct ns2_pci_phy can be
> removed.
> 
> Signed-off-by: Axel Lin <axel.lin@...ics.com>
> Reviewed-and-tested-by: Jon Mason <jon.mason@...adcom.com>
> ---
> This was sent on http://www.spinics.net/lists/netdev/msg383513.html
> Resent on https://lkml.org/lkml/2016/8/12/658

Will merge this once I start queuing for 4.9. Will start doing it this week.

-Kishon

>  drivers/phy/phy-bcm-ns2-pcie.c | 25 +++++--------------------
>  1 file changed, 5 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/phy/phy-bcm-ns2-pcie.c b/drivers/phy/phy-bcm-ns2-pcie.c
> index 9513f7a..ee61772 100644
> --- a/drivers/phy/phy-bcm-ns2-pcie.c
> +++ b/drivers/phy/phy-bcm-ns2-pcie.c
> @@ -18,11 +18,6 @@
>  #include <linux/phy.h>
>  #include <linux/phy/phy.h>
>  
> -struct ns2_pci_phy {
> -	struct mdio_device *mdiodev;
> -	struct phy *phy;
> -};
> -
>  #define BLK_ADDR_REG_OFFSET	0x1f
>  #define PLL_AFE1_100MHZ_BLK	0x2100
>  #define PLL_CLK_AMP_OFFSET	0x03
> @@ -30,17 +25,17 @@ struct ns2_pci_phy {
>  
>  static int ns2_pci_phy_init(struct phy *p)
>  {
> -	struct ns2_pci_phy *phy = phy_get_drvdata(p);
> +	struct mdio_device *mdiodev = phy_get_drvdata(p);
>  	int rc;
>  
>  	/* select the AFE 100MHz block page */
> -	rc = mdiobus_write(phy->mdiodev->bus, phy->mdiodev->addr,
> +	rc = mdiobus_write(mdiodev->bus, mdiodev->addr,
>  			   BLK_ADDR_REG_OFFSET, PLL_AFE1_100MHZ_BLK);
>  	if (rc)
>  		goto err;
>  
>  	/* set the 100 MHz reference clock amplitude to 2.05 v */
> -	rc = mdiobus_write(phy->mdiodev->bus, phy->mdiodev->addr,
> +	rc = mdiobus_write(mdiodev->bus, mdiodev->addr,
>  			   PLL_CLK_AMP_OFFSET, PLL_CLK_AMP_2P05V);
>  	if (rc)
>  		goto err;
> @@ -48,7 +43,7 @@ static int ns2_pci_phy_init(struct phy *p)
>  	return 0;
>  
>  err:
> -	dev_err(&phy->mdiodev->dev, "Error %d writing to phy\n", rc);
> +	dev_err(&mdiodev->dev, "Error %d writing to phy\n", rc);
>  	return rc;
>  }
>  
> @@ -60,7 +55,6 @@ static int ns2_pci_phy_probe(struct mdio_device *mdiodev)
>  {
>  	struct device *dev = &mdiodev->dev;
>  	struct phy_provider *provider;
> -	struct ns2_pci_phy *p;
>  	struct phy *phy;
>  
>  	phy = devm_phy_create(dev, dev->of_node, &ns2_pci_phy_ops);
> @@ -69,16 +63,7 @@ static int ns2_pci_phy_probe(struct mdio_device *mdiodev)
>  		return PTR_ERR(phy);
>  	}
>  
> -	p = devm_kmalloc(dev, sizeof(struct ns2_pci_phy),
> -			 GFP_KERNEL);
> -	if (!p)
> -		return -ENOMEM;
> -
> -	p->mdiodev = mdiodev;
> -	dev_set_drvdata(dev, p);
> -
> -	p->phy = phy;
> -	phy_set_drvdata(phy, p);
> +	phy_set_drvdata(phy, mdiodev);
>  
>  	provider = devm_of_phy_provider_register(&phy->dev,
>  						 of_phy_simple_xlate);
>