Re: [PATCH v3 4/6] iio: iio-interrupt-trigger: device-tree support

From: Jonathan Cameron
Date: Sun Mar 05 2017 - 07:18:51 EST


On 28/02/17 16:51, Fabrice Gasnier wrote:
> From: GrÃgor Boirie <gregor.boirie@xxxxxxxxxx>
>
> Add compatible string that should be used in DT.
> Also cascade of_node to newly allocated trigger device.
>
> Signed-off-by: Gregor Boirie <gregor.boirie@xxxxxxxxxx>
I'd normally not keep Gregor's sign off in a patch that has been
changed like this. If Gregor is happy it's a different matter,
but I suspect he hasn't replied yet as he is always very busy!

> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
Otherwise, all good, subject to convincing the device tree
guys about the binding.

Jonathan
> ---
> Original PATCH from Gregor Boirie:
> https://marc.info/?l=linux-iio&m=145590953607905&w=4
>
> Updates:
> - compatible string changed to "interrupt-trigger"
> - cascade of_node down to iio trigger device
> ---
> drivers/iio/trigger/iio-trig-interrupt.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/iio/trigger/iio-trig-interrupt.c b/drivers/iio/trigger/iio-trig-interrupt.c
> index e18f12b..6ee1f7e 100644
> --- a/drivers/iio/trigger/iio-trig-interrupt.c
> +++ b/drivers/iio/trigger/iio-trig-interrupt.c
> @@ -62,6 +62,7 @@ static int iio_interrupt_trigger_probe(struct platform_device *pdev)
> }
> iio_trigger_set_drvdata(trig, trig_info);
> trig_info->irq = irq;
> + trig->dev.of_node = pdev->dev.of_node;
> trig->ops = &iio_interrupt_trigger_ops;
> ret = request_irq(irq, iio_interrupt_trigger_poll,
> irqflags, trig->name, trig);
> @@ -104,11 +105,20 @@ static int iio_interrupt_trigger_remove(struct platform_device *pdev)
> return 0;
> }
>
> +#ifdef CONFIG_OF
> +static const struct of_device_id iio_interrupt_trigger_of_match[] = {
> + { .compatible = "interrupt-trigger" },
> + {},
> +};
> +MODULE_DEVICE_TABLE(of, iio_interrupt_trigger_of_match);
> +#endif
> +
> static struct platform_driver iio_interrupt_trigger_driver = {
> .probe = iio_interrupt_trigger_probe,
> .remove = iio_interrupt_trigger_remove,
> .driver = {
> .name = "iio_interrupt_trigger",
> + .of_match_table = of_match_ptr(iio_interrupt_trigger_of_match),
> },
> };
>
>