> -----Original Message----- > From: Martin Blumenstingl [mailto:martin.blumenstingl@xxxxxxxxxxxxxx] > Sent: Sunday, July 18, 2021 4:41 AM > To: linux-wireless@xxxxxxxxxxxxxxx > Cc: tony0620emma@xxxxxxxxx; kvalo@xxxxxxxxxxxxxx; johannes@xxxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; Neo Jou; Jernej Skrabec; Martin Blumenstingl > Subject: [PATCH RFC v1 1/7] mac80211: Add stations iterator where the iterator function may sleep > > ieee80211_iterate_active_interfaces() and > ieee80211_iterate_active_interfaces_atomic() already exist, where the > former allows the iterator function to sleep. Add > ieee80211_iterate_stations() which is similar to > ieee80211_iterate_stations_atomic() but allows the iterator to sleep. > This is needed for adding SDIO support to the rtw88 driver. Some > interators there are reading or writing registers. With the SDIO ops > (sdio_readb, sdio_writeb and friends) this means that the iterator > function may sleep. > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > --- > include/net/mac80211.h | 18 ++++++++++++++++++ > net/mac80211/util.c | 13 +++++++++++++ > 2 files changed, 31 insertions(+) > > diff --git a/include/net/mac80211.h b/include/net/mac80211.h > index d8a1d09a2141..77de89690008 100644 > --- a/include/net/mac80211.h > +++ b/include/net/mac80211.h > @@ -5575,6 +5575,24 @@ void ieee80211_iterate_active_interfaces_mtx(struct ieee80211_hw *hw, > struct ieee80211_vif *vif), > void *data); > > +/** > + * ieee80211_iterate_stations_atomic - iterate stations ieee80211_iterate_stations - ... [...] -- Ping-Ke
