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authorRafał Miłecki <rafal@milecki.pl>2017-01-07 21:36:05 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-15 15:53:15 +0100
commitbe5125d4fa9e5280b061195251cd581822f0faa2 (patch)
treea0ef860c1b5d9bb891f04a8792bf336a6593bab7 /drivers/net/wireless
parentc5493c6e4a6ac9f0ce5bd95ea16d2867d1c89c76 (diff)
brcmfmac: setup wiphy bands after registering it first
[ Upstream commit ab99063f873749b3c3b1e5d44038559883465e74 ] During bands setup we disable all channels that firmware doesn't support in the current regulatory setup. If we do this before wiphy_register it will result in copying set flags (including IEEE80211_CHAN_DISABLED) to the orig_flags which is supposed to be persistent. We don't want this as regulatory change may result in enabling some channels. We shouldn't mess with orig_flags then (by changing them or ignoring them) so it's better to just take care of their proper values. This patch cleanups code a bit (by taking orig_flags more seriously) and allows further improvements like disabling really unavailable channels. We will need that e.g. if some frequencies should be disabled for good due to hardware setup (design). Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 27960b0bfbcd..425a89c635d0 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6572,8 +6572,7 @@ static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
wiphy->bands[NL80211_BAND_5GHZ] = band;
}
}
- err = brcmf_setup_wiphybands(wiphy);
- return err;
+ return 0;
}
static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
@@ -6938,6 +6937,12 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
goto priv_out;
}
+ err = brcmf_setup_wiphybands(wiphy);
+ if (err) {
+ brcmf_err("Setting wiphy bands failed (%d)\n", err);
+ goto wiphy_unreg_out;
+ }
+
/* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
* setup 40MHz in 2GHz band and enable OBSS scanning.
*/