Re: [PATCH 2/2] brcmfmac: support parse country code map from DT

[Arend van Spriel]

On 08-04-2021 13:30, Shawn Guo wrote:
> With any regulatory domain requests coming from either user space or
> 802.11 IE (Information Element), the country is coded in ISO3166
> standard.  It needs to be translated to firmware country code and
> revision with the mapping info in settings->country_codes table.
> Support populate country_codes table by parsing the mapping from DT.

comment below, but you may add...

Reviewed-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
> Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
> ---
>   .../wireless/broadcom/brcm80211/brcmfmac/of.c | 53 +++++++++++++++++++
>   1 file changed, 53 insertions(+)
>
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
> index a7554265f95f..ea5c7f434c2c 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c

[...]

> @@ -47,6 +96,10 @@ void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
>   	    !of_device_is_compatible(np, "brcm,bcm4329-fmac"))
>   		return;
>   
> +	ret = brcmf_of_get_country_codes(dev, settings);
> +	if (ret)
> +		dev_warn(dev, "failed to get OF country code map\n");

First of all I prefer to use brcmf_err and add ret value to the print 
message " (err=%d)\n". Another thing is that this mapping is not only 
applicable for SDIO devices so you may consider doing this for other bus 
types as well which requires a bit more rework here.