linux-kernel - Re: [PATCH v2 2/2] mfd: intel_quark_i2c

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Message-ID: <20160321115438.GF4140@x1>
Date:	Mon, 21 Mar 2016 11:54:38 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Stephen Boyd <sboyd@...eaurora.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] mfd: intel_quark_i2c_gpio: switch to use struct
 device *

On Fri, 19 Feb 2016, Andy Shevchenko wrote:

> There is no need to pass struct pci_dev * to intel_quark_register_i2c_clk() and
> intel_quark_unregister_i2c_clk(). Change the parameter to struct device *. As a
> result store it in the private struct instead of struct pci_dev *.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/mfd/intel_quark_i2c_gpio.c | 22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)

Applied, thanks.

> diff --git a/drivers/mfd/intel_quark_i2c_gpio.c b/drivers/mfd/intel_quark_i2c_gpio.c
> index 7450f5d..24c2d29 100644
> --- a/drivers/mfd/intel_quark_i2c_gpio.c
> +++ b/drivers/mfd/intel_quark_i2c_gpio.c
> @@ -53,7 +53,7 @@
>  #define INTEL_QUARK_I2C_CLK_HZ	33000000
>  
>  struct intel_quark_mfd {
> -	struct pci_dev		*pdev;
> +	struct device		*dev;
>  	struct clk		*i2c_clk;
>  	struct clk_lookup	*i2c_clk_lookup;
>  };
> @@ -123,12 +123,12 @@ static const struct pci_device_id intel_quark_mfd_ids[] = {
>  };
>  MODULE_DEVICE_TABLE(pci, intel_quark_mfd_ids);
>  
> -static int intel_quark_register_i2c_clk(struct intel_quark_mfd *quark_mfd)
> +static int intel_quark_register_i2c_clk(struct device *dev)
>  {
> -	struct pci_dev *pdev = quark_mfd->pdev;
> +	struct intel_quark_mfd *quark_mfd = dev_get_drvdata(dev);
>  	struct clk *i2c_clk;
>  
> -	i2c_clk = clk_register_fixed_rate(&pdev->dev,
> +	i2c_clk = clk_register_fixed_rate(dev,
>  					  INTEL_QUARK_I2C_CONTROLLER_CLK, NULL,
>  					  CLK_IS_ROOT, INTEL_QUARK_I2C_CLK_HZ);
>  	if (IS_ERR(i2c_clk))
> @@ -140,16 +140,16 @@ static int intel_quark_register_i2c_clk(struct intel_quark_mfd *quark_mfd)
>  
>  	if (!quark_mfd->i2c_clk_lookup) {
>  		clk_unregister(quark_mfd->i2c_clk);
> -		dev_err(&pdev->dev, "Fixed clk register failed\n");
> +		dev_err(dev, "Fixed clk register failed\n");
>  		return -ENOMEM;
>  	}
>  
>  	return 0;
>  }
>  
> -static void intel_quark_unregister_i2c_clk(struct pci_dev *pdev)
> +static void intel_quark_unregister_i2c_clk(struct device *dev)
>  {
> -	struct intel_quark_mfd *quark_mfd = dev_get_drvdata(&pdev->dev);
> +	struct intel_quark_mfd *quark_mfd = dev_get_drvdata(dev);
>  
>  	if (!quark_mfd->i2c_clk_lookup)
>  		return;
> @@ -248,10 +248,10 @@ static int intel_quark_mfd_probe(struct pci_dev *pdev,
>  	if (!quark_mfd)
>  		return -ENOMEM;
>  
> -	quark_mfd->pdev = pdev;
> +	quark_mfd->dev = &pdev->dev;
>  	dev_set_drvdata(&pdev->dev, quark_mfd);
>  
> -	ret = intel_quark_register_i2c_clk(quark_mfd);
> +	ret = intel_quark_register_i2c_clk(&pdev->dev);
>  	if (ret)
>  		return ret;
>  
> @@ -272,13 +272,13 @@ static int intel_quark_mfd_probe(struct pci_dev *pdev,
>  	return 0;
>  
>  err_unregister_i2c_clk:
> -	intel_quark_unregister_i2c_clk(pdev);
> +	intel_quark_unregister_i2c_clk(&pdev->dev);
>  	return ret;
>  }
>  
>  static void intel_quark_mfd_remove(struct pci_dev *pdev)
>  {
> -	intel_quark_unregister_i2c_clk(pdev);
> +	intel_quark_unregister_i2c_clk(&pdev->dev);
>  	mfd_remove_devices(&pdev->dev);
>  }
>  

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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