Messages in this thread | | | From | Vladimir Oltean <> | Date | Mon, 3 Jun 2019 13:02:43 +0300 | Subject | Re: [PATCH v2 net-next 02/10] net: dsa: Add teardown callback for drivers |
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On Mon, 3 Jun 2019 at 04:07, Andrew Lunn <andrew@lunn.ch> wrote: > > On Mon, Jun 03, 2019 at 12:39:18AM +0300, Vladimir Oltean wrote: > > This is helpful for e.g. draining per-driver (not per-port) tagger > > queues. > > > > Signed-off-by: Vladimir Oltean <olteanv@gmail.com> > > --- > > Changes in v2: > > > > Patch is new. > > > > include/net/dsa.h | 1 + > > net/dsa/dsa2.c | 3 +++ > > 2 files changed, 4 insertions(+) > > > > diff --git a/include/net/dsa.h b/include/net/dsa.h > > index a7f36219904f..4033e0677be4 100644 > > --- a/include/net/dsa.h > > +++ b/include/net/dsa.h > > @@ -361,6 +361,7 @@ struct dsa_switch_ops { > > int port); > > > > int (*setup)(struct dsa_switch *ds); > > + void (*teardown)(struct dsa_switch *ds); > > u32 (*get_phy_flags)(struct dsa_switch *ds, int port); > > > > /* > > diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c > > index b70befe8a3c8..5bd3e9a4c709 100644 > > --- a/net/dsa/dsa2.c > > +++ b/net/dsa/dsa2.c > > @@ -407,6 +407,9 @@ static int dsa_switch_setup(struct dsa_switch *ds) > > > > static void dsa_switch_teardown(struct dsa_switch *ds) > > { > > + if (ds->ops->teardown) > > + ds->ops->teardown(ds); > > + > > if (ds->slave_mii_bus && ds->ops->phy_read) > > mdiobus_unregister(ds->slave_mii_bus); > > > > Hi Vladimir > > If we want to keep with symmetric with dsa_switch_setup(), this > teardown should be added after dsa_switch_unregister_notifier() and > before devlink_unregister(). > > Andrew
True.
-Vladimir
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