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Message-ID: <20230725214836.dbussnrimoykudyw@intel.intel>
Date:   Tue, 25 Jul 2023 23:48:36 +0200
From:   Andi Shyti <andi.shyti@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Mario Limonciello <mario.limonciello@....com>,
        Wolfram Sang <wsa@...nel.org>, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Jan Dabros <jsd@...ihalf.com>
Subject: Re: [PATCH v1 3/9] i2c: designware: Align dw_i2c_of_configure() with
 i2c_dw_acpi_configure()

Hi Andy,

On Tue, Jul 25, 2023 at 05:30:17PM +0300, Andy Shevchenko wrote:
> For the sake of consistency align dw_i2c_of_configure() with
> i2c_dw_acpi_configure() and rename the former to i2c_dw_of_configure().
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/i2c/busses/i2c-designware-platdrv.c | 19 +++++++++----------
>  1 file changed, 9 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
> index c60e55b8398e..d35a6bbcb6fb 100644
> --- a/drivers/i2c/busses/i2c-designware-platdrv.c
> +++ b/drivers/i2c/busses/i2c-designware-platdrv.c
> @@ -132,9 +132,9 @@ static int mscc_twi_set_sda_hold_time(struct dw_i2c_dev *dev)
>  	return 0;
>  }
>  
> -static int dw_i2c_of_configure(struct platform_device *pdev)
> +static void i2c_dw_of_do_configure(struct dw_i2c_dev *dev, struct device *device)
>  {
> -	struct dw_i2c_dev *dev = platform_get_drvdata(pdev);
> +	struct platform_device *pdev = to_platform_device(device);
>  
>  	switch (dev->flags & MODEL_MASK) {
>  	case MODEL_MSCC_OCELOT:
> @@ -145,8 +145,12 @@ static int dw_i2c_of_configure(struct platform_device *pdev)
>  	default:
>  		break;
>  	}
> +}
>  
> -	return 0;
> +static void i2c_dw_of_configure(struct dw_i2c_dev *dev)
> +{
> +	if (dev_of_node(dev->dev))
> +		i2c_dw_of_do_configure(dev, dev->dev);

You could add this check above and avoid this micro-if-functions.

	if (!dev_of_node(dev->dev))
		return;

up to you...

Reviewed-by: Andi Shyti <andi.shyti@...nel.org> 

Andi

>  }
>  
>  static const struct of_device_id dw_i2c_of_match[] = {
> @@ -162,10 +166,7 @@ static int bt1_i2c_request_regs(struct dw_i2c_dev *dev)
>  	return -ENODEV;
>  }
>  
> -static inline int dw_i2c_of_configure(struct platform_device *pdev)
> -{
> -	return -ENODEV;
> -}
> +static inline void i2c_dw_of_configure(struct dw_i2c_dev *dev) { }
>  #endif
>  
>  static int txgbe_i2c_request_regs(struct dw_i2c_dev *dev)
> @@ -311,9 +312,7 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
>  
>  	i2c_dw_adjust_bus_speed(dev);
>  
> -	if (pdev->dev.of_node)
> -		dw_i2c_of_configure(pdev);
> -
> +	i2c_dw_of_configure(dev);
>  	i2c_dw_acpi_configure(dev);
>  
>  	ret = i2c_dw_validate_speed(dev);
> -- 
> 2.40.0.1.gaa8946217a0b
> 

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