[PATCH] cfg80211: fix 6ghz starting frequency

[Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>]

Fixes channel to frequency mappings per latest specification
IEEE P802.11ax/D6.1

Fixes: d1a1646c ("cfg80211: adapt to new channelization of the 6GHz band")
Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
---
 net/wireless/util.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/wireless/util.c b/net/wireless/util.c
index 4d3b76f94f55..0eee55476d79 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -117,15 +117,18 @@ int ieee80211_freq_khz_to_channel(u32 freq)
 	/* see 802.11 17.3.8.3.2 and Annex J */
 	if (freq == 2484)
 		return 14;
+	/* see 802.11ax D6.1 27.3.23.2 and Annex E */
+	else if (freq == 5935)
+		return 2;
 	else if (freq < 2484)
 		return (freq - 2407) / 5;
 	else if (freq >= 4910 && freq <= 4980)
 		return (freq - 4000) / 5;
-	else if (freq < 5945)
+	else if (freq < 5950)
 		return (freq - 5000) / 5;
 	else if (freq <= 45000) /* DMG band lower limit */
-		/* see 802.11ax D4.1 27.3.22.2 */
-		return (freq - 5940) / 5;
+		/* see 802.11ax D6.1 27.3.23.2 */
+		return (freq - 5950) / 5;
 	else if (freq >= 58320 && freq <= 70200)
 		return (freq - 56160) / 2160;
 	else
-- 
1.9.1