On 26 July 2018 at 05:28, Masahiro Yamada <yamada.masah...@socionext.com> wrote:
> As commit b6147490e6aa ("mmc: tmio: split core functionality, DMA and
> MFD glue") said, these MMC controllers use the IP from Panasonic.
>
> TMIO (Toshiba Mobile IO) MMC was the first upstreamed user of this IP.
> The common driver code was split and expanded as 'tmio-mmc-core', then
> it become historical misnomer since 'tmio' is not the name of this IP.
>
> I pointed out this [1], and suggested to re-organize the names in the
> form of:
>
>   <IP-name>.c            (common code for this IP)
>   <IP-name>_tmio.c       (Toshiba Mobile IO)
>   <IP-name>_sdhi.c       (Renesas SDHI)
>   <IP-name>_uniphier.c   (Socionext UniPhier)
>
> The <IP-name> in my mind was 'mnsd' because names of Panasonic chips
> are prefixed with 'MN'.
>
> This is the naming scheme as we see in dw_mmc* and sdhci-*.
>
> In the discussion with Wolfram Sang, my suggestion was rejected
> because it implied drastic function renaming, which is too invasive.
>
> Ulf Hansson was still happy with file renaming to clarify the
> relationship between variants.  So, the accepted solution was:
>
>  - Make 'tmio_mmc' the _right_ core name
>  - Align all variant files with the same prefix.
>  - Do not rename functions
>
> This commit renames files as follows:
>
>   tmio_mmc_core.c              -> tmio_mmc.c
>   tmio_mmc.c                   -> tmio_mmc_original.c
>   renesas_sdhi_core.c          -> tmio_mmc_sdhi.c
>   renesas_sdhi.h               -> tmio_mmc_sdhi.h
>   renesas_sdhi_internal_dmac.c -> tmio_mmc_sdhi_internal_dmac.c
>   renesas_sdhi_sys_dmac.c      -> tmio_mmc_sdhi_sys_dmac.c
>
> Also rename CONFIG options to match to the file names:
>
>   MMC_TMIO_CORE          -> MMC_TMIO
>   MMC_TMIO               -> MMC_TMIO_ORIGINAL
>   MMC_SDHI               -> MMC_TMIO_SDHI
>   MMC_SDHI_SYS_DMAC      -> MMC_TMIO_SDHI_SYS_DMAC
>   MMC_SDHI_INTERNAL_DMAC -> MMC_TMIO_SDHI_INTERNAL_DMAC
>
> I touched eseries_pxa_defconfig and pxa_defconfig in this commit
> because they are inactive, but renaming of CONFIG options generally
> takes some development cycles.  Old names will be kept until the
> migration is completed, like Renesas folks did when they renamed
> ARCH_SHMOBILE_MULTI to ARCH_RENESAS.
>
> [1] https://www.spinics.net/lists/linux-mmc/msg46952.html
>
> Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>

I am awaiting some feedback from Wolfram before applying.

> ---
>
>  MAINTAINERS                                        |    1 -
>  arch/arm/configs/eseries_pxa_defconfig             |    2 +-
>  arch/arm/configs/pxa_defconfig                     |    2 +-
>  drivers/mmc/host/Kconfig                           |   25 +-
>  drivers/mmc/host/Makefile                          |    8 +-
>  drivers/mmc/host/tmio_mmc.c                        | 1415 
> ++++++++++++++++++--
>  drivers/mmc/host/tmio_mmc_core.c                   | 1394 -------------------
>  drivers/mmc/host/tmio_mmc_original.c               |  167 +++

I think there should be another way to format the patch to get better diffstat.

I guess it depends a bit on what version of git you are using, but
trying the -M option may help.


>  .../host/{renesas_sdhi_core.c => tmio_mmc_sdhi.c}  |    2 +-
>  .../mmc/host/{renesas_sdhi.h => tmio_mmc_sdhi.h}   |    0
>  ...ternal_dmac.c => tmio_mmc_sdhi_internal_dmac.c} |    2 +-
>  ...as_sdhi_sys_dmac.c => tmio_mmc_sdhi_sys_dmac.c} |    2 +-
>  12 files changed, 1518 insertions(+), 1502 deletions(-)
>  delete mode 100644 drivers/mmc/host/tmio_mmc_core.c
>  create mode 100644 drivers/mmc/host/tmio_mmc_original.c
>  rename drivers/mmc/host/{renesas_sdhi_core.c => tmio_mmc_sdhi.c} (99%)
>  rename drivers/mmc/host/{renesas_sdhi.h => tmio_mmc_sdhi.h} (100%)
>  rename drivers/mmc/host/{renesas_sdhi_internal_dmac.c => 
> tmio_mmc_sdhi_internal_dmac.c} (99%)
>  rename drivers/mmc/host/{renesas_sdhi_sys_dmac.c => 
> tmio_mmc_sdhi_sys_dmac.c} (99%)
>

[...]

Kind regards
Uffe

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