mmc: Merge branch fixes into next

Merge the mmc fixes for v6.8-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.9.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Author: Ulf Hansson

drivers/mmc/host/tmio_mmc_core.c

@@ -259,6 +259,8 @@ static void tmio_mmc_reset_work(struct work_struct *work)
 	else
 		mrq->cmd->error = -ETIMEDOUT;
 
+	/* No new calls yet, but disallow concurrent tmio_mmc_done_work() */
+	host->mrq = ERR_PTR(-EBUSY);
 	host->cmd = NULL;
 	host->data = NULL;