[PATCH 0/3] Support SDMA mode on RPI4 target - 32bit

[Peng Fan]

> Subject: [PATCH 0/3] Support SDMA mode on RPI4 target - 32bit
> 
> 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

For patch 2/3, I prefer to use printf, not debug. Other than that,
For the whole patchset,

Reviewed-by: Peng Fan <peng.fan at nxp.com>

> 
> This patch is based on my RFC's patches.
> 
> 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         | 16 +++++++++-------
>  2 files changed, 10 insertions(+), 7 deletions(-)
> 
> --
> 2.25.0