On 26 July 2018 at 05:28, Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> 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.masahiro@xxxxxxxxxxxxx>
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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