Re: [PATCH 1/3] mfd: Add support for FTDI FT232H devices

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On Wed, 19 Jul 2017 13:39:36 +0000
David Laight David.Laight@xxxxxxxxxx wrote:

>From: Anatolij Gustschin
>> Sent: 19 July 2017 14:30  
>...
>> >Stupid question, I know, but I cannot help thinking: If you have an
>> >EEPROM then why the h... don't you use an application specific device
>> >ID?  
>> 
>> It would make sense for adapter devices that you can buy and plug.
>> In my particular case the configuration device with FTDI chips is
>> internal part of embedded board, the configuration interface is
>> never exposed to end users. I doesn't make sense to register an
>> ID for such hardware.  
>
>Sounds like you should absolutely be registering an ID so that
>nothing can try to use it using the default one.

The intended usage can already be enforced by rejecting not signed
bootloader/kernel/firmware.

Anatolij
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