Hi Is there any comment or plan to apply?
Best Regards, Jaehoon Chung On 2/18/20 10:25 AM, Jaehoon Chung wrote: > RPI4's SDHCI controller is supported SDMA mode. (Checked on kernel side) > But It doesn't use on u-boot side. Then it's too slow about read/write > performance. > This patchset is supported SDMA mode on RPI4 target(32bit). > - I didn't test on RPI4 64bit. > > Read/write time about 8MB file > Before > - Read : 1.472 seconds > - Write : 4.690 seconds > After > - Read : 0.359 seconds > - Write : 0.574 seconds > > This patch is based on my RFC's patches.RPI4's SDHCI controller is supported > SDMA mode. (Checked on kernel side) > But It doesn't use on u-boot side. Then it's too slow about read/write > performance. > This patchset is supported SDMA mode on RPI4 target(32bit). > - I didn't test on RPI4 64bit. > > Read/write time about 8MB file > Before > - Read : 1.472 seconds > - Write : 4.690 seconds > After > - Read : 0.359 seconds > - Write : 0.574 seconds > > This patch is based on my RFC's patches. > > Changelog on V2 > - Keep printf message instead of debug > - Add Peng's Reviewed-by tag > > Jaehoon Chung (3): > mmc: sdhci: use phys2bus macro when dma address is accessed > mmc: sdhci: not return error when SDMA is not supported > configs: rpi_4_32b_defconfig: enable SDHCI_SDMA config > > configs/rpi_4_32b_defconfig | 1 + > drivers/mmc/sdhci.c | 13 +++++++------ > 2 files changed, 8 insertions(+), 6 deletions(-) >
