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

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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.



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