Hi Fabio, On Thu, Aug 11, 2016 at 09:53:31PM -0300, Fabio Estevam wrote: >Hi Peng, > >On Thu, Aug 11, 2016 at 8:00 AM, Peng Fan <van.free...@gmail.com> wrote: >> To SD, there is no erase group, then the value erase_grp_size >> will be default 1. When erasing SD blocks, the blocks will be >> erased one by one, which is time consuming. >> >> use AU_SIZE as a group to speed up the erasing. > >Just curious: what was the measured increase in performace for the >erase operation with your series?
Erasing 4MB. Before applying this patch set => time mmc erase 0x100000 0x2000 MMC erase: dev # 0, block # 1048576, count 8192 ... 8192 blocks erased: OK time: 44.856 seconds After applying the patch set: => time mmc erase 0x100000 0x2000 MMC erase: dev # 0, block # 1048576, count 8192 ... 8192 blocks erased: OK time: 0.335 seconds Will add the test reults in V2 commit log. Thanks, Peng. > >Thanks _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
