Re: [PATCH] mfd: take OF node reference for MFD cell platform device

From: Lee Jones
Date: Tue Oct 18 2022 - 05:33:03 EST


On Tue, 20 Sep 2022, Lee Jones wrote:

> On Sat, 17 Sep 2022, Sebastian Urban wrote:
>
> > Properly increase OF node reference count when assigning it to a
> > platform device created for an MFD cell.
> >
> > Signed-off-by: Sebastian Urban <surban@xxxxxxxxxx>
> > ---
> > drivers/mfd/mfd-core.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
> > index 16d1861e9682..8e57f67719cf 100644
> > --- a/drivers/mfd/mfd-core.c
> > +++ b/drivers/mfd/mfd-core.c
> > @@ -161,7 +161,7 @@ static int mfd_match_of_node_to_dev(struct platform_device *pdev,
> > of_entry->np = np;
> > list_add_tail(&of_entry->list, &mfd_of_node_list);
> >
> > - pdev->dev.of_node = np;
> > + pdev->dev.of_node = of_node_get(np);
>
> Doesn't this cause an imbalance?
>
> Or is there already a put somewhere?

I can't accept this until you've answered my queries.

--
Lee Jones [李琼斯]