Re: [PATCH 0/4] mmc: tmio/SDHI fixup patches

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> Hi Chris

ping ?

> Now, our new board would like to use sh_mobile_sdhi driver,
> then, it is expecting sh_mobile_sdhi use regulator.
> But, this regulator is based on GPIO driver,
> and GPIO driver probe timing is after sh_mobile_sdhi.
> So, sh_mobile_sdhi (= tmio_mmc_pio) use default ocr_avail,
> and it doesn't work for us.
> #1 patch returns -EPROBE_DEFER in such case.
> it changes tmio_mmc_host_probe() behavior, but
> in my check, tmio_mmc_pio driver user is sh_mobile_sdhi/tmio-mmc only,
> and, current user has no conflict by this patch.
> 
> sh_mobile_sdhi/tmio-mmc is very similar, but, have some difference.
> #2 - #4 cares such case.
> 
> These were part of "SDHI support for r8a7790" patch set,
> but was separated
> 
> Kuninori Morimoto (4):
>       mmc: tmio: use -EPROBE_DEFER if driver can't find regulator
>       mmc: tmio: bus_shift become tmio_mmc_data member
>       mmc: tmio: add new TMIO_MMC_HAVE_HIGH_REG flags
>       mmc: SDHI: add SoC specific workaround via HW version
> 
>  drivers/mmc/host/sh_mobile_sdhi.c |   19 +++++++++++++++++++
>  drivers/mmc/host/tmio_mmc.c       |    9 +++++++++
>  drivers/mmc/host/tmio_mmc.h       |   17 ++++++++---------
>  drivers/mmc/host/tmio_mmc_dma.c   |    2 +-
>  drivers/mmc/host/tmio_mmc_pio.c   |   36 +++++++++++++++++++-----------------
>  include/linux/mfd/tmio.h          |    8 ++++++++
>  include/linux/mmc/tmio.h          |    1 +
>  7 files changed, 65 insertions(+), 27 deletions(-)
> 
> 
> Best regards
> ---
> Kuninori Morimoto
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