Re: [PATCH 1/1] i2c: dln2: Pass forward ACPI companion

[Wolfram Sang <wsa@the-dreams.de>]

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On Thu, Mar 24, 2016 at 08:59:16PM +0200, Irina Tirdea wrote:
> Share the ACPI companion for the platform device with the
> i2c adapter, so that the adapter has access to the properties
> defined in ACPI tables.
> 
> Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
> ---

Adding Mika for my question: A few drivers do this, does it make sense
to put this into the core?

Apart from that, looks good to me.

>  drivers/i2c/busses/i2c-dln2.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/i2c/busses/i2c-dln2.c b/drivers/i2c/busses/i2c-dln2.c
> index 1600edd..f2eb4f7 100644
> --- a/drivers/i2c/busses/i2c-dln2.c
> +++ b/drivers/i2c/busses/i2c-dln2.c
> @@ -19,6 +19,7 @@
>  #include <linux/i2c.h>
>  #include <linux/platform_device.h>
>  #include <linux/mfd/dln2.h>
> +#include <linux/acpi.h>
>  
>  #define DLN2_I2C_MODULE_ID		0x03
>  #define DLN2_I2C_CMD(cmd)		DLN2_CMD(cmd, DLN2_I2C_MODULE_ID)
> @@ -210,6 +211,7 @@ static int dln2_i2c_probe(struct platform_device *pdev)
>  	dln2->adapter.algo = &dln2_i2c_usb_algorithm;
>  	dln2->adapter.quirks = &dln2_i2c_quirks;
>  	dln2->adapter.dev.parent = dev;
> +	ACPI_COMPANION_SET(&dln2->adapter.dev, ACPI_COMPANION(&pdev->dev));
>  	dln2->adapter.dev.of_node = dev->of_node;
>  	i2c_set_adapdata(&dln2->adapter, dln2);
>  	snprintf(dln2->adapter.name, sizeof(dln2->adapter.name), "%s-%s-%d",
> -- 
> 1.9.1
> 

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