Revert "mmc: sdhci: Disable SD card clock before changing parameters"

commit dcc3bcfc upstream.

It has turned out the trying to strictly conform to the SDHCI specification
is causing problems. Let's revert and start over.

This reverts commit fb3bbc46.

Cc: Erick Shepherd <erick.shepherd@ni.com>
Cc: stable@vger.kernel.org
Fixes: fb3bbc46 ("mmc: sdhci: Disable SD card clock before changing parameters")
Suggested-by: Adrian Hunter <adrian.hunter@intel.com>
Reported-by: Jonathan Liu <net147@gmail.com>
Reported-by: Salvatore Bonaccorso <carnil@debian.org>
Closes: https://bugs.debian.org/1108065


Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250624110932.176925-1-ulf.hansson@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>