On Sun, Oct 28, 2018 at 10:25 PM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
> Documentation says that some bits in TDSEL must be set (ch 5.3.39 in R-Car H2
> v0.91). However, the reset value of the register is 0, so software has to do
> it. Add this to the kernel driver to ensure this is really done independent of
> firmware versions.
>
> This is needed for some SD cards supporting SDR104 transfer mode. For
> me, TDSEL was not initialized by the firmware and I had problems with
> the card when re-inserting it.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
