mmc: sdricoh_cs: Use MMC_APP_CMD rather than a hardcoded number

Cc: Sascha Sommer <saschasommer@freenet.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20200414161413.3036-10-ulf.hansson@linaro.org

drivers/mmc/host/sdricoh_cs.c

@@ -22,6 +22,7 @@
 #include <linux/io.h>
 
 #include <linux/mmc/host.h>
+#include <linux/mmc/mmc.h>
 
 #define DRIVER_NAME "sdricoh_cs"
 
@@ -261,7 +262,7 @@ static void sdricoh_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	if (host->app_cmd) {
 		opcode |= 64;
 		host->app_cmd = 0;
-	} else if (opcode == 55)
+	} else if (opcode == MMC_APP_CMD)
 		host->app_cmd = 1;
 
 	/* read/write commands seem to require this */