Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH v3] base: core: Remove WARN_ON from link dependencies check | Date | Tue, 17 Jul 2018 11:56:59 +0200 |
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On Monday, July 16, 2018 1:37:44 PM CEST Benjamin Gaignard wrote: > In some cases the link between between customer and supplier > already exist, for example when a device use its parent as a supplier. > Do not warn about already existing dependencies because device_link_add() > takes care of this case. > > Link: http://lkml.kernel.org/r/20180709111753eucas1p1f32e66fb2f7ea3216097cd72a132355d~-rzycA5Rg0378203782eucas1p1C@eucas1p1.samsung.com > > Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> > Reviewed-by: Mark Brown <broonie@kernel.org> > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
That's better. :-)
Reviewed-by: Rafael J. Wysocki <rafael@kernel.org>
> --- > drivers/base/core.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/base/core.c b/drivers/base/core.c > index df3e1a44707a..fcdc17f0f349 100644 > --- a/drivers/base/core.c > +++ b/drivers/base/core.c > @@ -105,7 +105,7 @@ static int device_is_dependent(struct device *dev, void *target) > struct device_link *link; > int ret; > > - if (WARN_ON(dev == target)) > + if (dev == target) > return 1; > > ret = device_for_each_child(dev, target, device_is_dependent); > @@ -113,7 +113,7 @@ static int device_is_dependent(struct device *dev, void *target) > return ret; > > list_for_each_entry(link, &dev->links.consumers, s_node) { > - if (WARN_ON(link->consumer == target)) > + if (link->consumer == target) > return 1; > > ret = device_is_dependent(link->consumer, target); >
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