Re: [PATCH 1/2] staging: net: wireless: add ESP8089 WiFi driver

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Hi Greg,

On 21/07/2017 17:01, Greg KH wrote:
> On Fri, Jul 21, 2017 at 04:35:01PM +0200, Quentin Schulz wrote:
>> The Espressif ESP8089 WiFi chips can be often found in cheap tablets.
>> There is one in A23 Polaroid tablets for example.
>>
>> The chip is often embedded as an eMMC SDIO device.
>>
>> The code was taken from an out-of-tree repository and has seen a first
>> pass in the cleanup process.
>>
>> At the moment, there is no publicly available datasheet for this chip.
>>
>> Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
>> Cc: Icenowy Zheng <icenowy@xxxxxxxx>
>> Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx>
> 
> Staging drivers need a TODO file that lists what has to be done to the
> code to get it out of staging.  Why not just take a day or so and fix up
> the remaining issues and get it into the "real" part of the kernel
> correctly?
> 

OK, I'll work on a TODO list. Is there anything else I should know about
staging drivers so I can address everything at the same time?

>From a driver that has already been cleaned up a bit by Icenowy and
Hans, it took me between 10 and 15 working days to this step, which I
estimate to be around 50% of total clean up (and we're only speaking
about coding style and dead code mainly, nothing about a bit of code
review, code robustness...). I find the code not really easy to follow
(might be because I'm a beginner in the subsystem as well).

I might not be the most efficient person in cleaning up drivers but I'm
pretty sure this isn't a one day cleanup. (Would be happy to be proven
otherwise :) ), else I would have done it as you suggest.

> Also, staging drivers have to be "stand-alone", I can't take stuff that
> requires core changes only for one staging driver.
> 

Yes, I didn't expect the first version to go through, the goal was to
revive the discussion on this core patch as there was a consensus that
the requested feature was needed.

Thanks,
Quentin

> thanks,
> 
> greg k-h
> 

-- 
Quentin Schulz, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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