[PATCH 5.8 078/177] cfg80211: Adjust 6 GHz frequency to channel conversion

Greg Kroah-Hartman
2020-09-15T14:59:11Z

From: Amar Singhal <asinghal@codeaurora.org>

[ Upstream commit 2d9b55508556ccee6410310fb9ea2482fd3328eb ]

Adjust the 6 GHz frequency to channel conversion function,
the other way around was previously handled.

Signed-off-by: Amar Singhal <asinghal@codeaurora.org>
Link: https://lore.kernel.org/r/1592599921-10607-1-git-send-email-asinghal@codeaurora.org
[rewrite commit message, hard-code channel 2]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/wireless/util.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/net/wireless/util.c b/net/wireless/util.c
index 4d3b76f94f55e..a72d2ad6ade8b 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -121,11 +121,13 @@ int ieee80211_freq_khz_to_channel(u32 freq)
return (freq - 2407) / 5;
else if (freq >= 4910 && freq <= 4980)
return (freq - 4000) / 5;
- else if (freq < 5945)
+ else if (freq < 5925)
return (freq - 5000) / 5;
+ else if (freq == 5935)
+ return 2;
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 27.3.22.2 */
+ return (freq - 5950) / 5;
else if (freq >= 58320 && freq <= 70200)
return (freq - 56160) / 2160;
else
--
2.25.1