[PATCH] arm: mmci: Add ARM variant with extended FIFO
linus.walleij at linaro.org
Thu Mar 17 04:54:32 EDT 2011
On Fri, Mar 11, 2011 at 6:18 PM, Pawel Moll <pawel.moll at arm.com> wrote:
> New IO FPGA implementation for Versatile Express boards contain
> MMCI (PL180) cell with FIFO extended to 128 words (512 bytes).
OK that's the quick fix, and deeper FIFOs are always nice.
If your hardware engineers are listening, I suggest that hardware clock
gating (as suggested in some earlier mail) plus DMA engine support will
yet improve this by orders of magnitude and also bring you less errors.
More information about the linux-arm-kernel