On May 23, 2021 8:12:29 AM Shawn Guo <shawn.guo@xxxxxxxxxx> wrote:
On Wed, Apr 28, 2021 at 08:42:29PM +0800, Shawn Guo wrote:On Wed, Apr 28, 2021 at 02:03:07PM +0200, Arend van Spriel wrote:On 4/25/2021 1:02 PM, Shawn Guo wrote:Instead of aborting country code setup in firmware, use ISO3166 country code and 0 rev as fallback, when country_codes mapping table is not configured. This fallback saves the country_codes table setup for recent brcmfmac chipsets/firmwares, which just use ISO3166 code and require no revision number.I am somewhat surprised, but with the brcm-spinoffs (cypress/infineon and synaptics) my understanding may have been surpassed by reality. Would you happen to know which chipsets/firmwares require only ISO3166 code and no rev?The "no rev" here actually means 'rev' field being zero. The chipset I'm running is a BCM43012 from Synaptics, I think.Firmware: BCM43012/2 wl0: Apr 16 2021 15:25:36 version 18.35.389.63.t2 (wlan=r836194) FWID 01-a8c7bacArend, Does it make sense? Or is there actually a country code mapping table I'm not aware of?
I recall the firmware always include a rev 0 for each country code. I will have to ask internally whether that may be used for any chipset. If so, it seems reasonable to use rev 0 as fallback when no mapping table is provided.
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