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BACKPORT: cfg80211: Adjust 6 GHz frequency to channel conversion

Browse source 
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>

Bug: 167126230
(cherry picked from commit 2d9b55508556ccee6410310fb9ea2482fd3328eb)
Change-Id: Ieb788ea5a5ad614651c1a2c83d2c0fc16a98e00f
Signed-off-by: Vamsi Krishna <vamsin@codeaurora.org>
This commit is contained in:
Amar Singhal 2020-06-19 13:52:01 -07:00 • committed by Vamsi Krishna
commit 77c45270a6
1 changed files with 5 additions and 3 deletions
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8
net/wireless/util.c
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@ -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