mmc: core: use the defined function to check whether card is removable

In linux/mmc/host.h, mmc_card_is_removable() is already defined.
There is no reason that it doesn't use.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/core/core.c

@@ -2532,7 +2532,7 @@ int mmc_detect_card_removed(struct mmc_host *host)
 	if (!card)
 		return 1;
 
-	if (host->caps & MMC_CAP_NONREMOVABLE)
+	if (!mmc_card_is_removable(host))
 		return 0;
 
 	ret = mmc_card_removed(card);
@@ -2570,7 +2570,7 @@ void mmc_rescan(struct work_struct *work)
 		return;
 
 	/* If there is a non-removable card registered, only scan once */
-	if ((host->caps & MMC_CAP_NONREMOVABLE) && host->rescan_entered)
+	if (!mmc_card_is_removable(host) && host->rescan_entered)
 		return;
 	host->rescan_entered = 1;
 
@@ -2587,8 +2587,7 @@ void mmc_rescan(struct work_struct *work)
 	 * if there is a _removable_ card registered, check whether it is
 	 * still present
 	 */
-	if (host->bus_ops && !host->bus_dead
-	    && !(host->caps & MMC_CAP_NONREMOVABLE))
+	if (host->bus_ops && !host->bus_dead && mmc_card_is_removable(host))
 		host->bus_ops->detect(host);
 
 	host->detect_change = 0;
@@ -2613,7 +2612,7 @@ void mmc_rescan(struct work_struct *work)
 	mmc_bus_put(host);
 
 	mmc_claim_host(host);
-	if (!(host->caps & MMC_CAP_NONREMOVABLE) && host->ops->get_cd &&
+	if (mmc_card_is_removable(host) && host->ops->get_cd &&
 			host->ops->get_cd(host) == 0) {
 		mmc_power_off(host);
 		mmc_release_host(host);