Re: [PATCH v3 2/3] i2c: acpi: Initialize info.type from of_compatible

From: Andy Shevchenko
Date: Mon Jan 23 2017 - 12:10:44 EST


On Mon, Jan 23, 2017 at 6:08 PM, Dan O'Donovan <dan@xxxxxxxxxx> wrote:
> From: Crestez Dan Leonard <leonard.crestez@xxxxxxxxx>
>
> When using devicetree i2c_board_info.type is set to the compatible
> string with the vendor prefix removed. For I2C devices described via
> ACPI the i2c_board_info.type string is set to the ACPI device name. When
> using ACPI and DT ids this string ends up something like "PRP0001:00".
>
> If the of_compatible property is present try to use that instead. This
> makes it easier to instantiate i2c drivers through ACPI with DT ids.

> - strlcpy(info->type, dev_name(&adev->dev), sizeof(info->type));
> + /*
> + * Populate modalias from compatible property if available,
> + * otherwise use native ACPI information
> + */
> + if ((!adev->data.of_compatible) ||
> + acpi_of_modalias(adev, info->type, sizeof(info->type)))

Redundant parens in lvalue. After removing them is it possible to use
one line for it?

> + strlcpy(info->type, dev_name(&adev->dev), sizeof(info->type));

--
With Best Regards,
Andy Shevchenko