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Date:   Fri, 26 Apr 2019 12:45:12 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Rocky Liao <rjliao@...eaurora.org>
Cc:     Marcel Holtmann <marcel@...tmann.org>,
        Mark Rutland <mark.rutland@....com>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Thierry Escande <thierry.escande@...aro.org>,
        netdev <netdev@...r.kernel.org>, devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:BLUETOOTH DRIVERS" <linux-bluetooth@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Balakrishna Godavarthi <bgodavar@...eaurora.org>
Subject: Re: [PATCH v3 2/2] dt-bindings: net: bluetooth: Add device property
 firmware-name for QCA6174

On Wed, Apr 24, 2019 at 1:19 AM Rocky Liao <rjliao@...eaurora.org> wrote:
>
> On 2019-04-24 01:06, Marcel Holtmann wrote:
> > Hi Rocky,
> >
> >> 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@...eaurora.org>
> >> ---
> >> 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@...0000 {
> >>
> >>              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.

Rob

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