On 3/23/20 10:14 AM, Peng Fan wrote: > Hi Jaehoon, > >> Subject: Re: [PATCH v2 0/3] Support SDMA mode on RPI4 target - 32bit >> >> On 3/18/20 10:00 AM, Peng Fan wrote: >>>> Subject: Re: [PATCH v2 0/3] Support SDMA mode on RPI4 target - 32bit >>>> >>>> Hi >>>> >>>> Is there any comment or plan to apply? >>> >>> Sorry, I missed this patchset. Will pick it up. > > This patchset could not be applied on master, would you rebase?
Sure, i will resend after rebase on latest. Best Regards, Jaehoon Chung > > Thanks, > Peng. > >> >> No problem. :) Thanks! >> >> Best Regards, >> Jaehoon Chung >> >>> >>> Thanks, >>> Peng. >>> >>>> >>>> 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(-) >>>>> >>> >