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Date:   Sun, 2 Dec 2018 16:35:43 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Darren Hart <dvhart@...radead.org>,
        platform-driver-x86@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-acpi@...r.kernel.org, Wolfram Sang <wsa@...-dreams.de>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        linux-i2c@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 06/15] platform/x86: intel_cht_int33fe: Get rid of
 obsolete conditional

On Wed, 28 Nov 2018 13:45:26 +0200
Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:

> Now, when i2c_acpi_new_device() never returns NULL, there is no point to check
> for it. Besides that, i2c_acpi_new_device() returns -EPROBE_DEFER directly and
> caller doesn't need to guess is better.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Ah, the code I commented on earlier goes away anyway.  Not to worry then!

Jonathan

> ---
>  drivers/platform/x86/intel_cht_int33fe.c | 24 +++++-------------------
>  1 file changed, 5 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/platform/x86/intel_cht_int33fe.c b/drivers/platform/x86/intel_cht_int33fe.c
> index 367d6e304ade..616b8853a91f 100644
> --- a/drivers/platform/x86/intel_cht_int33fe.c
> +++ b/drivers/platform/x86/intel_cht_int33fe.c
> @@ -169,13 +169,7 @@ static int cht_int33fe_probe(struct platform_device *pdev)
>  		board_info.properties = max17047_props;
>  		data->max17047 = i2c_acpi_new_device(dev, 1, &board_info);
>  		if (IS_ERR(data->max17047))
> -			ret = PTR_ERR(data->max17047);
> -		else if (!data->max17047)
> -			ret = -EPROBE_DEFER; /* Wait for i2c-adapter to load */
> -		else
> -			ret = 0;
> -		if (ret)
> -			return ret;
> +			return PTR_ERR(data->max17047);
>  	}
>  
>  	data->connections[0].endpoint[0] = "port0";
> @@ -200,28 +194,20 @@ static int cht_int33fe_probe(struct platform_device *pdev)
>  	board_info.irq = fusb302_irq;
>  
>  	data->fusb302 = i2c_acpi_new_device(dev, 2, &board_info);
> -	if (IS_ERR(data->fusb302))
> +	if (IS_ERR(data->fusb302)) {
>  		ret = PTR_ERR(data->fusb302);
> -	else if (!data->fusb302)
> -		ret = -EPROBE_DEFER; /* Wait for the i2c-adapter to load */
> -	else
> -		ret = 0;
> -	if (ret)
>  		goto out_unregister_max17047;
> +	}
>  
>  	memset(&board_info, 0, sizeof(board_info));
>  	board_info.dev_name = "pi3usb30532";
>  	strlcpy(board_info.type, "pi3usb30532", I2C_NAME_SIZE);
>  
>  	data->pi3usb30532 = i2c_acpi_new_device(dev, 3, &board_info);
> -	if (IS_ERR(data->pi3usb30532))
> +	if (IS_ERR(data->pi3usb30532)) {
>  		ret = PTR_ERR(data->pi3usb30532);
> -	else if (!data->pi3usb30532)
> -		ret = -EPROBE_DEFER; /* Wait for the i2c-adapter to load */
> -	else
> -		ret = 0;
> -	if (ret)
>  		goto out_unregister_fusb302;
> +	}
>  
>  	platform_set_drvdata(pdev, data);
>  

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