On 24-05-16 11:09, 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 fix was verified with BCM4366B1 and tested for regressions on > BCM43602. It's unclear if it's needed (or correct at all) for P2P > interfaces so it leaves this code unaffected. In doing so the code reads a bit awkward so if P2P-GO works with the changed order that would be preferable. > Signed-off-by: Rafał Miłecki <zajec5@xxxxxxxxx> > --- > .../net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 16 ++++++++++++---- > 1 file changed, 12 insertions(+), 4 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
