[PATCH] usb: Do not send ZLP when we have filled the window

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Holger Hans Peter Freyther holger at freyther.de
Thu Nov 10 20:20:11 UTC 2011


On 11/09/2011 11:22 PM, Holger Hans Peter Freyther wrote:
> From: Holger Hans Peter Freyther <zecke at selfish.org>
> 

I enabled debug in dfu and added another debug statement. It appears to do the
right thing. I have attached the device to Windows running in KVM but I think
that a native windows will behave differently (bus reset, etc). I will try to
test with a native windows, please don't apply the patch yet.



main(76): entering main (idle) loop
send_data: 18/64 bytes stopped by status out send_data: 18/18 bytes NO ZLP 18 18
send_data: 68/9 bytes NO ZLP 68 9
send_data: 68/66 bytes NO ZLP 68 66
send_data: 4/255 bytes NO ZLP 4 255
send_data: 72/255 bytes set_txpktrdy_zlp
send_data: 100/255 bytes NO ZLP 100 255
send_data: 62/255 bytes NO ZLP 62 255
send_data: 54/255 bytes NO ZLP 54 255
send_data: 94/255 bytes NO ZLP 94 255
send_data: 92/255 bytes NO ZLP 92 255
send_data: 58/255 bytes NO ZLP 58 255
send_data: 1/1 bytes NO ZLP 1 1
send_data: 18/64 bytes stopped by status out send_data: 18/18 bytes NO ZLP 18 18
send_data: 68/66 bytes NO ZLP 68 66
send_data: 18/64 bytes NO ZLP 18 64
send_data: 18/64 bytes stopped by status out send_data: 18/18 bytes NO ZLP 18 18
send_data: 68/66 bytes NO ZLP 68 66
send_data: 18/18 bytes NO ZLP 18 18
send_data: 68/255 bytes NO ZLP 68 255
send_data: 4/255 bytes NO ZLP 4 255
send_data: 72/255 bytes set_txpktrdy_zlp




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