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authorBen Greear <greearb@candelatech.com>2019-12-17 10:30:57 -0800
committerJohannes Berg <johannes.berg@intel.com>2020-02-14 09:57:00 +0100
commitdb6d9e9e8b48b7ab68c61553eb5fa68534dd0fde (patch)
tree2c02017022b57c79419de37ea08522f32474008c /arch/nios2/include
parent9b125c27998719288e4dcf2faf54511039526692 (diff)
mac80211: Fix setting txpower to zero
With multiple VIFS ath10k, and probably others, tries to find the minimum txpower for all vifs and uses that when setting txpower in the firmware. If a second vif is added and starts to scan, it's txpower is not initialized yet and it set to zero. ath10k had a patch to ignore zero values, but then it is impossible to actually set txpower to zero. So, instead initialize the txpower to INT_MIN in mac80211, and let drivers know that means the power has not been set and so should be ignored. This should fix regression in: commit 88407beb1b1462f706a1950a355fd086e1c450b6 Author: Ryan Hsu <ryanhsu@qca.qualcomm.com> Date: Tue Dec 13 14:55:19 2016 -0800 ath10k: fix incorrect txpower set by P2P_DEVICE interface Tested on ath10k 9984 with ath10k-ct firmware. Signed-off-by: Ben Greear <greearb@candelatech.com> Link: https://lore.kernel.org/r/20191217183057.24586-1-greearb@candelatech.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'arch/nios2/include')
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