Re: [PATCH v2] usb: serial: Repair FTDI FT232R bricked eeprom

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On Thu, Sep 10, 2020 at 12:33:55PM +0700, Lars Melin wrote:
> On 9/10/2020 10:02, Oliver Neukum wrote:
> > Am Mittwoch, den 09.09.2020, 13:34 -0600 schrieb James Hilliard:
> >> This patch detects and reverses the effects of the malicious FTDI
> >> Windows driver version 2.12.00(FTDIgate).
> > 
> > Hi,
> > 
> > this raises questions.
> > Should we do this unconditionally without asking?
> > Does this belong into kernel space?
> > 
> 
> My answer to both of those question is a strong NO.
> 
> The patch author tries to justify the patch with egoistical arguments 
> (easier for him and his customers) without thinking of all other users 
> of memory constrained embedded hardware that doesn't need the patch code 
> but have to carry it.
> 
> The bricked PID is btw already supported by the linux ftdi driver so 
> there is no functionality gain in the patch.

I fully agree. This doesn't belong in the kernel. If the Windows driver
breaks someones device on purpose they should know about it, and *if*
they want they can reprogram the device using the tools mentioned in the
thread. But the kernel shouldn't be playing such games and reprogram
eeproms behind people's backs.

Johan



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