mmc: atmel-mci: Remove redundant runtime PM calls

Commit 9250aea76bfc ("mmc: core: Enable runtime PM management of host
devices"), made some calls to the runtime PM API from the driver
redundant. Especially those which deals with runtime PM reference
counting, so let's remove them.

Cc: Ludovic Desroches <[e-mail]>
Signed-off-by: Ulf Hansson <[e-mail]>
Acked-by: Ludovic Desroches <[e-mail]>
Tested-by: Ludovic Desroches <[e-mail]>

drivers/mmc/host/atmel-mci.c

···
 	WARN_ON(slot->mrq);
 	dev_dbg(&host->pdev->dev, "MRQ: cmd %u\n", mrq->cmd->opcode);
 
-	pm_runtime_get_sync(&host->pdev->dev);
-
 	/*
 	 * We may "know" the card is gone even though there's still an
 	 * electrical connection. If so, we really need to communicate
···
 	struct atmel_mci_slot	*slot = mmc_priv(mmc);
 	struct atmel_mci	*host = slot->host;
 	unsigned int		i;
-
-	pm_runtime_get_sync(&host->pdev->dev);
 
 	slot->sdc_reg &= ~ATMCI_SDCBUS_MASK;
 	switch (ios->bus_width) {
···
 		break;
 	}
 
-	pm_runtime_mark_last_busy(&host->pdev->dev);
-	pm_runtime_put_autosuspend(&host->pdev->dev);
 }
 
 static int atmci_get_ro(struct mmc_host *mmc)
···
 	spin_unlock(&host->lock);
 	mmc_request_done(prev_mmc, mrq);
 	spin_lock(&host->lock);
-
-	pm_runtime_mark_last_busy(&host->pdev->dev);
-	pm_runtime_put_autosuspend(&host->pdev->dev);
 }
 
 static void atmci_command_complete(struct atmel_mci *host,