[U-Boot] [PATCH 5/7] usb: hub: Increase device enumeration timeout for broken drives

Vivek Gautam gautamvivek1987 at gmail.com
Tue Apr 2 11:33:12 CEST 2013


CC: Amarendra


On Thu, Mar 28, 2013 at 8:02 PM, Marek Vasut <marex at denx.de> wrote:
> Dear Vivek Gautam,
>
>> Few broken usb mass storage devices can take some time to set
>> Current Connect Status (CCS) and Connect Status Change (CSC) in
>> Port status register after an attach.
>> So increasing some timeout when both CCS and CSC bits are not set.
>>
>> Signed-off-by: Amar <amarendra.xt at samsung.com>
>> Signed-off-by: Vivek Gautam <gautam.vivek at samsung.com>
>
> Can we not postpone checking of these CCS and CSC bits for such broken devices?
> This'd at least allow the "good" devices to be detected quickly and while these
> are handled, this would give some time for the "bad" ones to do their job too.
>
> Best regards,
> Marek Vasut
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-- 
Thanks & Regards
Vivek


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