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