[U-Boot] [PATCH v2 0/3] sunxi-mmc: enable new clock mode on A64

Vasily Khoruzhick
2018-11-15T19:20:36Z

On Fri, Nov 9, 2018 at 8:41 PM Vasily Khoruzhick <anarsoul@gmail.com> wrote:
>
> A64 requires new clock mode on SD and eMMC controllers. Not using
> new clock mode causes stability issues of the driver - SPL may
> occasionally fail to load u-boot from SD for some particular SD card
> on some particular devices.
>
> This series depends on "sunxi: add support for automatic delay calibration"
> from my Pinebook series.
>
> Tested on Pinebook and Pine64-LTS. Fixes eMMC failures on Olinuxino-A64 [1]

Ping? I've got reports from several users that it fixes issues with
different SD cards on Pinebook and Sopine. It would be nice to have it
merged.

> [1] https://github.com/armbian/build/commit/03199b3879af24c94029460b8cdf0d41048afc92#commitcomment-31028421
>
> Vasily Khoruzhick (3):
> sunxi-mmc: introduce new MMC_SUNXI_HAS_MODE_SWITCH option
> sunxi-mmc: don't double clock for new mode unconditionally
> sunxi-mmc: use new mode on both controllers on A64
>
> arch/arm/mach-sunxi/Kconfig | 2 ++
> drivers/mmc/Kconfig | 4 ++++
> drivers/mmc/sunxi_mmc.c | 19 +++++++++----------
> 3 files changed, 15 insertions(+), 10 deletions(-)
>
> --
> 2.19.1
>