Re: [PATCH 3/3] dmaengine: Add Freescale i.MX SDMA support

From: Russell King - ARM Linux
Date: Thu Sep 02 2010 - 10:06:53 EST


On Mon, Aug 16, 2010 at 02:21:06PM +0200, Linus Walleij wrote:
> > +/*
> > + * Buffer descriptor
> > + */
> > +struct sdma_buffer_descriptor {
> > +       struct sdma_mode_count  mode;
> > +       u32 buffer_addr;    /* address of the buffer described */
> > +       u32 ext_buffer_addr; /* extended buffer address */
>
> Shouldn't these be dma_addr_t? OK that's probably u32
> anyway but just to make a marker...

If this is describing hardware, then it makes sense to use uNN rather
than dma_addr_t. dma_addr_t may be subject to change in the future.
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