lkml.org 
[lkml]   [2018]   [Jan]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v2 10/22] mmc: tmio: support IP-builtin card detection logic
    On Sat, Nov 25, 2017 at 01:24:45AM +0900, Masahiro Yamada wrote:
    > A card detect GPIO is set up only for platforms with "cd-gpios"
    > DT property or TMIO_MMC_USE_GPIO_CD flag. However, the driver
    > core always uses mmc_gpio_get_cd, which just fails with -ENOSYS
    > if ctx->cd_gpio is unset.
    >
    > The bit 5 of the status register provides the current signal level
    > of the CD line. Allow to use it if the GPIO is unused.
    >
    > Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

    As mentioned before (sorry, I lost this thread :( ), I like the
    refactoring to select in probe() which function to call depending on
    GPIO usage or not. If you like, we can do the same for read_only, too.

    Thanks!

    [unhandled content-type:application/pgp-signature]
    \
     
     \ /
      Last update: 2018-01-02 13:59    [W:2.038 / U:0.028 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site