[U-Boot] [PATCH] mmc:dcache: Cache line size aligned internal MMC buffers

Mike Frysinger vapier at gentoo.org
Tue Aug 23 22:37:03 CEST 2011


On Tuesday, August 23, 2011 16:27:26 Anton Staaf wrote:
> So then, to guide our efforts, what is a more suitable solution?
> Would you prefer we stick with the existing path of calling memalign
> and passing it the cache size by directly calling
> get_dcache_line_size?  Or would you prefer something more like a
> dma_buffer_malloc function that allocates on the heap a cache line
> size aligned buffer and returns it?

memalign() is simply a malloc() with offset fudging, so dma_buffer_malloc() is 
the way to go imo.  anything that involves end code having to figure out how 
to align things itself is asking for pain.
-mike
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part.
Url : http://lists.denx.de/pipermail/u-boot/attachments/20110823/30650cd0/attachment.pgp 


More information about the U-Boot mailing list