[PATCH RFC] ARM: BCM5301X: Add /device_id property including device ID string

[Rafał Miłecki]

On 30 March 2015 at 12:37, Mark Rutland <mark.rutland at arm.com> wrote:
> For DT patches, please send to devicetree at vger.kernel.org; this affects
> more than just ARM.

Ofc, sorry.


> On Sun, Mar 29, 2015 at 11:14:48PM +0100, Rafał Miłecki wrote:
>> Device vendors often assign IDs to their devices to allow comparing
>> firmware image with device model. This is required to prevent users
>> from flashing incompatible image and soft-bricking device.
>> Add device_id property to DTs to allow user space (and optionally
>> bootloader) verifying firmware images.
>
> This sounds like exactly what the "model" property is meant to be (per
> ePAPR) -- a string that specifices the manufacturer's model number of
> the device, ideally in "manufacturer,model" format.

What if manufacturer decided to use some totally unfriendly ID for
their low-level (firmware upgrade) model identification? I can't
really see us using
model = "U12H245T00_NETGEAR"
which would mean nothing compared to the current friendly:
model = "Netgear R6250 V1 (BCM4708)"