Re: [PATCH 3/9] USB: musb: add disable ping option to support some ill-behaviored usb stick

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On Wed, 3 Jun 2009, Mike Frysinger wrote:

> From: Bryan Wu <cooloney@xxxxxxxxxx>
> 
> Some USB stick does not answer PING correctly which will make USB enumeration fail.
> We enable the NAK limit value to detect this PING issue, then disable the PING option
> for such ill-behaviored usb sticks.

Do these ill-behaved sticks work with a regular EHCI controller?  If 
not then there's no reason to add special code to support them on MUSB.  
If they do work then MUSB should behave the same way as EHCI, which 
doesn't use the NAK limit value or disable PING.

Alan Stern

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