Re: [PATCH] USB: musb: NAK timeout scheme on bulk TX endpoint

[Felipe Balbi <balbi@xxxxxx>]

Hi,

On Thu, Jul 19, 2012 at 01:41:59PM +0530, Ajay Kumar Gupta wrote:
> Fixes endpoint starvation issue when more than one bulk QH is
> multiplexed on the reserved bulk TX endpoint.
> 
> This patch sets the NAK timeout interval for such QHs, and when
> a timeout triggers the next QH will be scheduled.
> 
> This scheme doesn't work for devices which are connected to a
> high to full speed tree (transaction translator) as there is
> no NAK timeout interrupt from the musb controller from such
> devices.
> 
> Signed-off-by: Ajay Kumar Gupta <ajay.gupta@xxxxxx>

Are you saying this patch will break full speed devices when we have a
HS hub in between ? If that's the case I cannot take this patch...

-- 
balbi

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