Re: [PATCH] amba: Put the device's of_node on its release

From: Rob Herring
Date: Thu May 15 2014 - 14:57:11 EST


On Thu, May 15, 2014 at 12:07 PM, Pawel Moll <pawel.moll@xxxxxxx> wrote:
> An amba device created from Device Tree, when released, does not
> decrease of_node's reference counter.
>
> Fixed by adding a call to of_device_node_put() on the release
> path, in a similar way to what platform_device_release() is doing.
>
> Signed-off-by: Pawel Moll <pawel.moll@xxxxxxx>

Acked-by: Rob Herring <robh@xxxxxxxxxx>

Does this go with the rest of your series? Who needs to pick this up?

Rob

> ---
> drivers/amba/bus.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
> index 3cf61a1..0f489fb 100644
> --- a/drivers/amba/bus.c
> +++ b/drivers/amba/bus.c
> @@ -17,6 +17,7 @@
> #include <linux/pm_runtime.h>
> #include <linux/amba/bus.h>
> #include <linux/sizes.h>
> +#include <linux/of_device.h>
>
> #include <asm/irq.h>
>
> @@ -268,6 +269,7 @@ static void amba_device_release(struct device *dev)
> {
> struct amba_device *d = to_amba_device(dev);
>
> + of_device_node_put(dev);
> if (d->res.parent)
> release_resource(&d->res);
> kfree(d);
> --
> 1.9.1
>
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