Re: [PATCH v5 4/8] iio: light: ltr501: Power down chip if request irq fails

From: Jonathan Cameron

Date: Sat Aug 22 2026 - 19:38:33 EST


On Mon, 17 Aug 2026 19:08:53 +0200
Esben Haabendal <esben@xxxxxxxxxx> wrote:

> In case devm_request_threaded_irq() failed, we were leaving the chip
> powered instead of powering it down again. Power down the chip switching
> ALS and PS modes to standby.
>
> Fixes: 7ac702b3144b ("iio: ltr501: Add interrupt support")
> Cc: stable@xxxxxxxxxxxxxxx
> Acked-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
> Signed-off-by: Esben Haabendal <esben@xxxxxxxxxx>
> ---
> drivers/iio/light/ltr501.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
> index 7d045be78c6d..7746d374688f 100644
> --- a/drivers/iio/light/ltr501.c
> +++ b/drivers/iio/light/ltr501.c
> @@ -1540,7 +1540,7 @@ static int ltr501_probe(struct i2c_client *client)
> if (ret) {
> dev_err(&client->dev, "request irq (%d) failed\n",
> client->irq);
Some noise on this one because the above print is gone in the iio tree.

Anyhow, I think I didn't mess up the conflict resolution but please check!
Next patch also goes away for same reason

Jonathan

> - return ret;
> + goto powerdown_on_error;
> }
> } else {
> indio_dev->info = data->chip_info->info_no_irq;
>