Messages in this thread | | | Subject | Re: [PATCH 2:2][MTD][NAND]omap : Adding DMA mode support in nand prefetch/post-write | From | David Woodhouse <> | Date | Fri, 10 Jul 2009 13:40:21 +0100 |
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On Fri, 2009-07-10 at 15:02 +0300, Artem Bityutskiy wrote: > On Fri, 2009-07-10 at 17:25 +0530, vimal singh wrote: > > + /* The fifo depth is 64 bytes. We have a sync at each frame and frame > > + * length is 64 bytes. > > + */ > > + int buf_len = len/64; > > To optimize performance it is better not to rely on gcc and use <<
If you ever see gcc screwing up division of an 'int' by a constant 64, file a GCC bug.
-- David Woodhouse Open Source Technology Centre David.Woodhouse@intel.com Intel Corporation
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