Re: [PATCH][1/2] usb: dma bounce buffer support V3

[Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>]

On Tue, 22 Jan 2008 12:20:10 +0900 Magnus Damm <magnus.damm@xxxxxxxxx> wrote:

> usb: dma bounce buffer support V3
> 
> This patch adds dma bounce buffer support to the usb core. These buffers
> can be enabled with the HCD_LOCAL_MEM flag, and they make sure that all data
> passed to the host controller is allocated using dma_alloc_coherent().

It is unobvious (to me) why this code uses put_unaligned() and
get_unaligned() in the places where it does.  So I'll assume that it will
be unobvious to other reviewers and readers.  

Addition of suitable comments would help here.  Unless this is all
blindingly obvious to anyone who has a useful knowledge of USB core?



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