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SubjectRe: [V2] brcmfmac: fix setting AP channel with new firmwares
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Rafał Miłecki wrote:
> Firmware for new chipsets is based on a new major version of code
> internally maintained at Broadcom. E.g. brcmfmac4366b-pcie.bin (used for
> BCM4366B1) is based on 10.10.69.3309 while brcmfmac43602-pcie.ap.bin was
> based on 7.35.177.56.
>
> Currently setting AP 5 GHz channel doesn't work reliably with BCM4366B1.
> When setting e.g. 36 control channel with VHT80 (center channel 42)
> firmware may randomly pick one of:
> 1) 52 control channel with 58 as center one
> 2) 100 control channel with 106 as center one
> 3) 116 control channel with 122 as center one
> 4) 149 control channel with 155 as center one
>
> It seems new firmwares require setting AP mode (BRCMF_C_SET_AP) before
> specifying a channel. Changing an order of firmware calls fixes the
> problem. This requirement resulted in two separated "chanspec" calls,
> one in AP code path and one in P2P path.
>
> This fix was verified with BCM4366B1 and tested for regressions on
> BCM43602.
>
> Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

Thanks, 1 patch applied to wireless-drivers-next.git:

8707e08dbc1f brcmfmac: fix setting AP channel with new firmwares

--
Sent by pwcli
https://patchwork.kernel.org/patch/9138883/

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