Re: [PATCH] IIO: Adds ACPI support for ST gyroscopes

From: Linus Walleij
Date: Tue Mar 24 2015 - 06:22:47 EST


On Mon, Mar 23, 2015 at 2:40 PM, Robert Dolca <robert.dolca@xxxxxxxxx> wrote:

> Signed-off-by: Robert Dolca <robert.dolca@xxxxxxxxx>

That's a very terse commit message.

> + /* Get IRQ GPIO */
> + gpiod_irq = devm_gpiod_get_index(&client->dev, 0, 0);
> + if (IS_ERR(gpiod_irq))
> + return -ENODEV;
> +
> + /* Configure IRQ GPIO */
> + ret = gpiod_direction_input(gpiod_irq);
> + if (ret)
> + return ret;


Why issue two calls when one is enough. And don't discard
the nice return code. Do this instead:

gpiod_irq = devm_gpiod_get_index(&client->dev, 0, 0, GPIOD_IN);
if (IS_ERR(gpiod_irq))
return PTR_ERR(gpiod_irq);

Yours,
Linus Walleij
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