Re: [PATCH v5 10/11] platform/x86: int3472: Pass tps68470_regulator_platform_data to the tps68470-regulator MFD-cell

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On Tue, Nov 2, 2021 at 11:50 AM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
>
> Pass tps68470_regulator_platform_data to the tps68470-regulator
> MFD-cell, specifying the voltages of the various regulators and
> tying the regulators to the sensor supplies so that sensors which use
> the TPS68470 can find their regulators.
>
> Since the voltages and supply connections are board-specific, this
> introduces a DMI matches int3472_tps68470_board_data struct which
> contains the necessary per-board info.
>
> This per-board info also includes GPIO lookup information for the
> sensor IO lines which may be connected to the tps68470 GPIOs.

...

> +               board_data = int3472_tps68470_get_board_data(dev_name(&client->dev));
> +               if (!board_data) {
> +                       dev_err(&client->dev, "No board-data found for this laptop/tablet model\n");
> +                       return -ENODEV;

It's fine to use dev_err_probe() for known error codes.

> +               }

...

> +               cells[1].platform_data = (void *)board_data->tps68470_regulator_pdata;

Do we need casting?

...

> +#include <linux/dmi.h>
> +#include <linux/gpio/machine.h>
> +#include <linux/platform_data/tps68470.h>
> +#include <linux/regulator/machine.h>

string.h  for strcmp() ?
kernel.h for ARRAY_SIZE() ?

-- 
With Best Regards,
Andy Shevchenko



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