mmc: block: convert ecc_err to a bool

The ecc_err flag is only assigned 0 or 1 and treated as a bool,
so convert it to a bool.

Cc: Chunyan Zhang <zhang.chunyan@linaro.org>
Cc: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/card/block.c

@@ -1014,7 +1014,7 @@ static int mmc_blk_cmd_error(struct request *req, const char *name, int error,
  * Otherwise we don't understand what happened, so abort.
  */
 static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
-	struct mmc_blk_request *brq, int *ecc_err, bool *gen_err)
+	struct mmc_blk_request *brq, bool *ecc_err, bool *gen_err)
 {
 	bool prev_cmd_status_valid = true;
 	u32 status, stop_status = 0;
@@ -1053,7 +1053,7 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
 	if ((status & R1_CARD_ECC_FAILED) ||
 	    (brq->stop.resp[0] & R1_CARD_ECC_FAILED) ||
 	    (brq->cmd.resp[0] & R1_CARD_ECC_FAILED))
-		*ecc_err = 1;
+		*ecc_err = true;
 
 	/* Flag General errors */
 	if (!mmc_host_is_spi(card->host) && rq_data_dir(req) != READ)
@@ -1085,7 +1085,7 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
 		}
 
 		if (stop_status & R1_CARD_ECC_FAILED)
-			*ecc_err = 1;
+			*ecc_err = true;
 	}
 
 	/* Check for set block count errors */
@@ -1328,7 +1328,7 @@ static int mmc_blk_err_check(struct mmc_card *card,
 	struct mmc_blk_request *brq = &mq_mrq->brq;
 	struct request *req = mq_mrq->req;
 	int need_retune = card->host->need_retune;
-	int ecc_err = 0;
+	bool ecc_err = false;
 	bool gen_err = false;
 
 	/*