Re: [PATCH v3 2/2] dt-bindings: net: bluetooth: Add device property firmware-name for QCA6174

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Hi Rob,

>>>> This patch adds an optional device property "firmware-name" to allow
>>>> the
>>>> driver to load customized nvm firmware file based on this property.
>>>> 
>>>> Signed-off-by: Rocky Liao <rjliao@xxxxxxxxxxxxxx>
>>>> ---
>>>> Changes in v3:
>>>> * added firmware-name instead of nvm-postfix to specify full firmware
>>>> name
>>>> ---
>>>> Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt | 2 ++
>>>> 1 file changed, 2 insertions(+)
>>>> 
>>>> diff --git
>>>> a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
>>>> b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
>>>> index 824c0e2..2bcea50 100644
>>>> --- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
>>>> +++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
>>>> @@ -16,6 +16,7 @@ Optional properties for compatible string
>>>> qcom,qca6174-bt:
>>>> 
>>>> - enable-gpios: gpio specifier used to enable chip
>>>> - clocks: clock provided to the controller (SUSCLK_32KHZ)
>>>> + - firmware-name: specify the name of nvm firmware to load
>>>> 
>>>> Required properties for compatible string qcom,wcn3990-bt:
>>>> 
>>>> @@ -39,6 +40,7 @@ serial@7570000 {
>>>> 
>>>>             enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
>>>>             clocks = <&divclk4>;
>>>> +            firmware-name = "nvm_00440302.bin";
>>>>     };
>>> 
>>> and how is this a firmware-name property. Wouldn’t this be more like
>>> nvm-file or something along these lines. This really needs to be
>>> cleared with Rob to pick the right property name.
>>> 
>>> Regards
>>> 
>>> Marcel
>> 
>> Hi Rob,
>> 
>> Are you OK to use a property name "nvm-file" or "firmware-nvm-file"?
>> Actually we have two firmware files, one is the patch file which is
>> common to all of the products, the other is the nvm file which is
>> customized. Using a "nvm-file" or "firmware-nvm-file" property name
>> would be more clear.
> 
> 'firmware-name' is the standard name for specifying firmware file names.

but it is not a firmware file, it is a NVM file. What happens if in the future they need a firmware file and a NVM file?

Regards

Marcel




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