On Sun, Oct 28, 2018 at 09:24:56PM +0000, Wolfram Sang 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: Simon Horman <horms+renesas@xxxxxxxxxxxx>
