Re: [v1 2/3] media: ov8856: Add devicetree support

From: Andy Shevchenko
Date: Tue Mar 10 2020 - 10:26:58 EST


On Tue, Mar 10, 2020 at 02:46:02PM +0100, Robert Foss wrote:
> Add devicetree match table, and enable ov8856_probe()
> to initialize power, clocks and reset pins.

...

> +#define OV8856_NUM_SUPPLIES ARRAY_SIZE(ov8856_supply_names)

Use ARRAY_SIZE() directly.

Have you seen Sakari's comments?
Sakari, do I have déjà vu or you indeed commented this driver?

...

> + gpiod_set_value_cansleep(ov8856->n_shutdn_gpio, GPIOD_OUT_LOW);

> + gpiod_set_value_cansleep(ov8856->n_shutdn_gpio, GPIOD_OUT_HIGH);

Yes, seems this one is inverted.

...

> +{
> + gpiod_set_value_cansleep(ov8856->n_shutdn_gpio, GPIOD_OUT_LOW);
> + regulator_bulk_disable(OV8856_NUM_SUPPLIES, ov8856->supplies);
> + clk_disable_unprepare(ov8856->xvclk);
> +}
> +
> +

One blank line is enough.

...

> + ov8856->xvclk = devm_clk_get(&client->dev, "xvclk");
> + if (IS_ERR(ov8856->xvclk)) {
> + dev_err(&client->dev, "failed to get xvclk\n");
> + return -EINVAL;
> + }

Previously it worked without clock provider, now you make a dependency.

This won't work.


--
With Best Regards,
Andy Shevchenko