[Buildroot] [PATCH 1/1] <wireless-regdb>: Adds the option to copy "regulatory.db[.p7s]" to /lib/firmware

Christoph Engelbert me at noctarius.com
Sun Jul 15 08:13:07 UTC 2018


Hey Martin,

Oh I see, didn’t know it was a general change. Does that mean it would probably make more sense to only install the new files as a new package and deprecate the old one?

Chris

> On 14. Jul 2018, at 14:38, Martin Bark <martin at barkynet.com> wrote:
> 
> Chris,
> 
> On 13 July 2018 at 10:32, Christoph Engelbert <me at noctarius.com> wrote:
>> Certain wireless drivers (like the Broadcom FullMac drivers" expect the regulatory.db and
>> regulatory.db.p7s files to be available to be loadable from /lib/firmware. If not available
>> the driver still loads but runs on a minimal subset of channels.
>> 
>> This newly added option gives possibility to have those files copied to the necessary directory.
> 
> This is a good change but I think the commit message needs changing.
> It's not really certain wireless drivers that is the issue, it's that
> linux 4.15 added support to load regulatory.db directly without using
> crda.  If the kernel can't load regulatory.db directly it will still
> try and use crda.  So this change should allow you to stop using crda
> for kernels after 4.15
> 
> Thanks
> 
> Martin
> 
>> 
>> Signed-off-by: Christoph Engelbert <me at noctarius.com>
>> ---
>> package/wireless-regdb/wireless-regdb.mk | 4 ++++
>> 1 file changed, 4 insertions(+)
>> 
>> diff --git a/package/wireless-regdb/wireless-regdb.mk b/package/wireless-regdb/wireless-regdb.mk
>> index e9283a00e2..829374edcf 100644
>> --- a/package/wireless-regdb/wireless-regdb.mk
>> +++ b/package/wireless-regdb/wireless-regdb.mk
>> @@ -15,6 +15,10 @@ define WIRELESS_REGDB_INSTALL_TARGET_CMDS
>>                $(TARGET_DIR)/usr/lib/crda/regulatory.bin
>>        $(INSTALL) -m 644 -D -T $(@D)/sforshee.key.pub.pem \
>>                $(TARGET_DIR)/etc/wireless-regdb/pubkeys/sforshee.key.pub.pem
>> +       $(INSTALL) -m 644 -D -T $(@D)/regulatory.db \
>> +               $(TARGET_DIR)/lib/firmware/regulatory.db
>> +       $(INSTALL) -m 644 -D -T $(@D)/regulatory.db.p7s \
>> +               $(TARGET_DIR)/lib/firmware/regulatory.db.p7s
>> endef
>> 
>> $(eval $(generic-package))
>> --
>> 2.17.1
>> 
>> 
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