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Re: [PATCH v7 6/7] wifi: wilc1000: Register wiphy after reading out chipid

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On 10/4/24 10:39 AM, Alexis Lothoré wrote:
Hello Marek,

Hi,

On 10/3/24 13:14, Marek Vasut wrote:
Register wiphy after reading out chipid, so the chipid can be
used to determine chip features and not advertise WPA3/SAE
support to userspace on WILC3000. Note that wilc_netdev_cleanup()
will deregister the wiphy in fail path.

Signed-off-by: Marek Vasut <marex@xxxxxxx>

[...]

diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c
index 11e0f8a473467..30015c5920467 100644
--- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c
+++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c
@@ -1761,7 +1761,6 @@ static struct wilc *wilc_create_wiphy(struct device *dev)
  {
  	struct wiphy *wiphy;
  	struct wilc *wl;
-	int ret;
wiphy = wiphy_new(&wilc_cfg80211_ops, sizeof(*wl));
  	if (!wiphy)
@@ -1804,14 +1803,8 @@ static struct wilc *wilc_create_wiphy(struct device *dev)
  				BIT(NL80211_IFTYPE_P2P_GO) |
  				BIT(NL80211_IFTYPE_P2P_CLIENT);
  	wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
-	wiphy->features |= NL80211_FEATURE_SAE;
  	set_wiphy_dev(wiphy, dev);
  	wl->wiphy = wiphy;
-	ret = wiphy_register(wiphy);

I think you did not address one of my comment in v5 about this change: in
wilc_cfg80211_init (wilc_create_wiphy's caller), there is still a
wiphy_unregister in the failure path, which does not make sense anymore since
this function does not register wiphy anymore.

Once fixed: with this patch iw phy shows correctly on my platform that wilc3000
does not support SAE authenticate command while wilc1000 does. And wilc1000
still works correctly, even with wpa3.

Tested-by: Alexis Lothoré <alexis.lothore@xxxxxxxxxxx>
Tested-on: WILC1000SD 07 SDIO WILC_WIFI_FW_REL_16_1_2
Tested-on: WILC3000 A SDIO WILC_WIFI_FW_REL_16_1_1
Fixed in V8, thank you.




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