On Mon, Mar 25, 2013 at 1:56 AM, Rajeshwari Shinde <rajeshwar...@samsung.com> wrote: > Since SPI register access is so expensive, it is worth transferring data > a word at a time if we can. This complicates the driver unfortunately. > > Use the byte-swapping feature to avoid having to convert to/from big > endian in software. > > This change increases speed from about 2MB/s to about 4.5MB/s. > > Based on "EXYNOS: SPI: Minimise access to SPI FIFO level" > link: http://patchwork.ozlabs.org/patch/230034/ > > Signed-off-by: Simon Glass <s...@chromium.org> > Signed-off-by: Rajeshwari Shinde <rajeshwar...@samsung.com>
We tested this today. Acked-by: Simon Glass <s...@chromium.org> Tested-by: Simon Glass <s...@chromium.org> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
