On Mon, Apr 15, 2019 at 05:08:56PM +0200, Alexandre Belloni wrote:
> The TCBs that have children are using the proper DT bindings and don't need
> to be handled by tclib.
> 
> Cc: Arnd Bergmann <a...@arndb.de>
> Signed-off-by: Alexandre Belloni <alexandre.bell...@bootlin.com>
> ---
>  drivers/misc/atmel_tclib.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/misc/atmel_tclib.c b/drivers/misc/atmel_tclib.c
> index 194f774ab3a1..c1f5aba1c6f2 100644
> --- a/drivers/misc/atmel_tclib.c
> +++ b/drivers/misc/atmel_tclib.c
> @@ -111,6 +111,9 @@ static int __init tc_probe(struct platform_device *pdev)
>       struct resource *r;
>       unsigned int    i;
>  
> +     if (of_get_child_count(pdev->dev.of_node))
> +             return 0;
> +
>       irq = platform_get_irq(pdev, 0);
>       if (irq < 0)
>               return -EINVAL;

This lead to a panic during shutdown, as tc_shutdown is called on the
device that has not been initialized and it has not been designed for
this.

-- 
Romain Izard

Reply via email to