On Wed, Mar 16, 2011 at 10:25:16AM -0600, Matt Waddel wrote: > On 03/11/2011 10:18 AM, Pawel Moll wrote: > > New IO FPGA implementation for Versatile Express boards contain > > MMCI (PL180) cell with FIFO extended to 128 words (512 bytes). > > > > Signed-off-by: Pawel Moll <pawel.m...@arm.com> > > Tested-by: Matt Waddel <matt.wad...@linaro.org> > > This patch improves MMC performance on my vexpress system. Also > fixes "mmcblk0: error -5 transferring data" errors.
You should use the patch I sent to do dynamic clocking if you're concerned about performance. That patch improves performance by a factor of 8 compared to anything possible by increasing the FIFO depth. I am very much of the opinion that deepening the FIFOs is just a sticky plaster over the problem - and I said as much when it was first proposed, pointing out that there's other better solutions. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
