mmc: sdio: Drop mmc_claim|release_host() in mmc_sdio_power_restore()

The function mmc_sdio_power_restore() is called either from
mmc_sdio_runtime_resume() or from mmc_sdio_hw_reset(). Both callers either
claims/releases the host or require its callers to do so. Therefore let's
drop the redundant calls to mmc_claim|release_host() in
mmc_sdio_power_restore().
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>

drivers/mmc/core/sdio.c

@@ -1030,14 +1030,10 @@ static int mmc_sdio_power_restore(struct mmc_host *host)
 	 *
 	 */
 
-	mmc_claim_host(host);
-
 	ret = mmc_sdio_reinit_card(host, mmc_card_keep_power(host));
 	if (!ret && host->sdio_irqs)
 		mmc_signal_sdio_irq(host);
 
-	mmc_release_host(host);
-
 	return ret;
 }