Re: [PATCH v4 06/15] usb:hsotg:samsung: Sending ZLP packet for IN EP0 transfers

[Felipe Balbi <balbi@xxxxxx>]

On Tue, Apr 17, 2012 at 09:22:02AM +0200, Lukasz Majewski wrote:
> This commit targets following scenarios for IN requests:
> 
> 1. HOST requests e.g. 256B (which is a multiple of MPS = 64B).
> Then NO ZLP shall be sent, since host expects exact number of bytes.
> 
> 2. HOST requested 4096B, but our data for sending is 256B. In this
> situation ZLP shall be send to tell HOST that no more data is available
> and it shall not wait for more data. This prevents HOST from hanging.
> 
> Tested with:
> - DFU gadget (various size of the sent data - also packet = MPS)
> - Ethernet gadget (CDC and RNDIS)
> - Multi Function Gadget (g_multi)
> 
> HW:
> - Samsung's C210 Universal rev.0
> - Samsung's C110 GONI
> 
> Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx>
> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>

is this is a bugfix ? If so, can you please split bugfixes and new
feature/cleanups into two different series ?

-- 
balbi

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