netdev - Re: [PATCH net v1 1/2] ARM: dts: imx: let's name the ptp interrupt for the fec ethernet driver

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Date:   Tue, 3 Oct 2017 13:41:34 -0700
From:   Troy Kisky <troy.kisky@...ndarydevices.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     shawn.guo@...aro.org, fugang.duan@....com, netdev@...r.kernel.org,
        davem@...emloft.net, fabio.estevam@....com, lznuaa@...il.com
Subject: Re: [PATCH net v1 1/2] ARM: dts: imx: let's name the ptp interrupt
 for the fec ethernet driver

On 10/2/2017 5:51 PM, Andrew Lunn wrote:
> On Mon, Oct 02, 2017 at 05:04:41PM -0700, Troy Kisky wrote:
>> imx7s/imx7d has the ptp interrupt newly added as well.
>> This will allow the ptp interrupt to have its own interrupt routine.
>>
>> Signed-off-by: Troy Kisky <troy.kisky@...ndarydevices.com>
>> ---
>>  arch/arm/boot/dts/imx6qdl.dtsi | 1 +
>>  arch/arm/boot/dts/imx6sx.dtsi  | 2 ++
>>  arch/arm/boot/dts/imx6ul.dtsi  | 2 ++
>>  arch/arm/boot/dts/imx7d.dtsi   | 4 +++-
>>  arch/arm/boot/dts/imx7s.dtsi   | 4 +++-
>>  5 files changed, 11 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
>> index 8884b4a3cafb..d848d2bfe8e2 100644
>> --- a/arch/arm/boot/dts/imx6qdl.dtsi
>> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
>> @@ -1017,6 +1017,7 @@
>>  			fec: ethernet@...88000 {
>>  				compatible = "fsl,imx6q-fec";
>>  				reg = <0x02188000 0x4000>;
>> +				interrupt-names = "","ptp";
> 
> Hi Troy
> 
> The "" looks a bit odd. Can you use a name here?
> 
>     Andrew
> 

Sure. Can I use "q0","q1","q2",  and look them up by name in fec_main
as well ?

Should I worrying about compatiblity with old dtbs ?
I could look up by number if name fails. Maybe with a
deprecated warning ?


Thanks
Troy