Re: [Mactel-linux-devel] last sf.net mactel checkin. (usb-storage-zerowait, appletouch ATP_THRESHOLD, applesmc)

[Nicolas B. <ni...@bo...>]

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Hi,

th...@m3... wrote:
> Zitat von Nicolas Boichat <ni...@bo...>:
> 
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>> Hi Soeren,
>>
>> (copying the list, as it is interesting for them)
>>
>> Soeren Sonnenburg wrote:
>>> Hi Nicolas,
>>>
>>> can we agree on that the appletouch and usb-storage-zerowait patch can
>>> be removed from mactel patches, as they don't provide any extra
>>> functionality but just satisfy certain developer preferences ?
>> I agree about usb-storage-zerowait, I don't know who introduced this
>> patch, and what it is useful for... Maybe this person is still
>> monitoring the list, in this case it would be nice to have some explanation.
>>
> 
> As far as i remember this patch was needed in the first steps of mactel-linux,
> because in these days there was a problem with the sata controller, which
> didn't work under linux, so the only way to boot linux on a macbook was an usb
> storage device attached to the computer. you can only boot from an usb storage
> device when the usb wait time is set to zero, if not the kernel will not find
> the root device and will print out a message like "VFS: Cannot open root
> device".

Wow, thanks for the explanation... So, basically, this patch has nothing
to do in the SVN, and you have a kernel parameter if you really want to
change it.

Best regards,

Nicolas
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