[U-Boot] [PATCH v3 0/4] mmc: Implement central card-detection.

[Andy Fleming]

Could you rebase these patches on the top of the mmc tree? They don't
apply cleanly anymore, and I don't want to mangle them in my attempts
at hand-application.

On Tue, Dec 20, 2011 at 2:52 AM, Thierry Reding
<thierry.reding at avionic-design.de> wrote:
> This series of patches implements central card-detection within the MMC
> framework. Before this patch series, many boards actually did implement
> the board_mmc_getcd() function, but it wasn't used except by one driver
> (fsl_esdhc). Unfortunately, implementations interpreted the meaning of
> the cd parameter differently, some taking it to signal card absence and
> others using it to detect card presence. Furthermore, the signature of
> the board_mmc_getcd() function was not at all consistent with other MMC
> related functions.
>
> The first patch in this series therefore changes the board_mmc_getcd()
> function signature and consolidates all current implementations. The
> second patch adds a central card-detection implementation within the
> MMC framework by using the new board_mmc_getcd() function and adds a
> hook that can be provided by drivers to serve as a default card-detect
> mechanism if no board-specific implementation is provided. The third
> and fourth patches implement this driver hook for the fsl_esdhc and the
> tegra2 MMC drivers.
>
> For reference, the following email thread contains the discussion that
> led to this patch series:
>
>        http://lists.denx.de/pipermail/u-boot/2011-November/110180.html
>
> Changes in v3:
>  - reword subject line of patch 1 to be less confusing
>  - address coding style issues raised by Marek Vasut
>
> Changes in v2:
>  - add a better rationale for the series and a reference to the email
>    thread that started it
>  - add an explanation to patch 3 why the call to board_mmc_getcd() is
>    removed from the fsl_esdhc driver
>  - add a cover letter which explains the series' goal
>
> Thierry Reding (4):
>  mmc: Change board_mmc_getcd() function prototype.
>  mmc: Implement card detection.
>  mmc: fsl_esdhc: Implement card-detect hook.
>  mmc: tegra2: Implement card-detect hook.
>
>  board/efikamx/efikamx.c             |    9 +++++----
>  board/emk/top9000/top9000.c         |   12 ++----------
>  board/freescale/mx51evk/mx51evk.c   |    9 +++++----
>  board/freescale/mx53ard/mx53ard.c   |    9 +++++----
>  board/freescale/mx53evk/mx53evk.c   |    9 +++++----
>  board/freescale/mx53loco/mx53loco.c |    9 +++++----
>  board/freescale/mx53smd/mx53smd.c   |    6 ++----
>  doc/README.atmel_mci                |   12 ++----------
>  drivers/mmc/arm_pl180_mmci.c        |    1 +
>  drivers/mmc/bfin_sdh.c              |    1 +
>  drivers/mmc/davinci_mmc.c           |    1 +
>  drivers/mmc/fsl_esdhc.c             |   27 ++++++++++++---------------
>  drivers/mmc/ftsdc010_esdhc.c        |    1 +
>  drivers/mmc/gen_atmel_mci.c         |    1 +
>  drivers/mmc/mmc.c                   |   22 ++++++++++++++++++++--
>  drivers/mmc/mmc_spi.c               |    1 +
>  drivers/mmc/mxcmmc.c                |    1 +
>  drivers/mmc/mxsmmc.c                |    1 +
>  drivers/mmc/omap_hsmmc.c            |    1 +
>  drivers/mmc/pxa_mmc_gen.c           |    1 +
>  drivers/mmc/s5p_mmc.c               |    1 +
>  drivers/mmc/sdhci.c                 |    1 +
>  drivers/mmc/sh_mmcif.c              |    1 +
>  drivers/mmc/tegra2_mmc.c            |   28 +++++++++++++---------------
>  include/mmc.h                       |    4 +++-
>  25 files changed, 92 insertions(+), 77 deletions(-)
>
> --
> 1.7.8
>