On Thu, Jun 27, 2013 at 11:00 PM, Zhang Haijun-B42677 <B42677 at freescale.com> wrote: > My board use DMA to transfer data by default. So we don't use CONFIG_SYS_FSL_ESDHC_USE_PIO by default. > > Also my board works fine with PIO mode(with my patch). > > What about your board? Using PIO? We use DMA on i.MX.