mmc: rename mmc_can_erase() to mmc_card_can_erase()

mmc_can_* functions sometimes relate to the card and sometimes to the host.
Make it obvious by renaming this function to include 'card'. Also, convert to
proper bool type while we are here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20250401095847.29271-3-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Author: Wolfram Sang

drivers/mmc/core/block.c

@@ -1220,7 +1220,7 @@ static void mmc_blk_issue_erase_rq(struct mmc_queue *mq, struct request *req,
 	int err = 0;
 	blk_status_t status = BLK_STS_OK;
 
-	if (!mmc_can_erase(card)) {
+	if (!mmc_card_can_erase(card)) {
 		status = BLK_STS_NOTSUPP;
 		goto fail;
 	}

drivers/mmc/core/core.c

@@ -1837,13 +1837,11 @@ int mmc_erase(struct mmc_card *card, sector_t from, unsigned int nr,
 }
 EXPORT_SYMBOL(mmc_erase);
 
-int mmc_can_erase(struct mmc_card *card)
+bool mmc_card_can_erase(struct mmc_card *card)
 {
-	if (card->csd.cmdclass & CCC_ERASE && card->erase_size)
-		return 1;
-	return 0;
+	return (card->csd.cmdclass & CCC_ERASE && card->erase_size);
 }
-EXPORT_SYMBOL(mmc_can_erase);
+EXPORT_SYMBOL(mmc_card_can_erase);
 
 int mmc_can_trim(struct mmc_card *card)
 {
@@ -1866,7 +1864,7 @@ EXPORT_SYMBOL(mmc_card_can_discard);
 
 int mmc_can_sanitize(struct mmc_card *card)
 {
-	if (!mmc_can_trim(card) && !mmc_can_erase(card))
+	if (!mmc_can_trim(card) && !mmc_card_can_erase(card))
 		return 0;
 	if (card->ext_csd.sec_feature_support & EXT_CSD_SEC_SANITIZE)
 		return 1;

drivers/mmc/core/core.h

@@ -118,7 +118,7 @@ bool mmc_is_req_done(struct mmc_host *host, struct mmc_request *mrq);
 int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq);
 
 int mmc_erase(struct mmc_card *card, sector_t from, unsigned int nr, unsigned int arg);
-int mmc_can_erase(struct mmc_card *card);
+bool mmc_card_can_erase(struct mmc_card *card);
 int mmc_can_trim(struct mmc_card *card);
 bool mmc_card_can_discard(struct mmc_card *card);
 int mmc_can_sanitize(struct mmc_card *card);

drivers/mmc/core/mmc_test.c

@@ -1510,7 +1510,7 @@ static int mmc_test_area_erase(struct mmc_test_card *test)
 {
 	struct mmc_test_area *t = &test->area;
 
-	if (!mmc_can_erase(test->card))
+	if (!mmc_card_can_erase(test->card))
 		return 0;
 
 	return mmc_erase(test->card, t->dev_addr, t->max_sz >> 9,
@@ -1749,7 +1749,7 @@ static int mmc_test_profile_trim_perf(struct mmc_test_card *test)
 	if (!mmc_can_trim(test->card))
 		return RESULT_UNSUP_CARD;
 
-	if (!mmc_can_erase(test->card))
+	if (!mmc_card_can_erase(test->card))
 		return RESULT_UNSUP_HOST;
 
 	for (sz = 512; sz < t->max_sz; sz <<= 1) {
@@ -1866,7 +1866,7 @@ static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test)
 	if (!mmc_can_trim(test->card))
 		return RESULT_UNSUP_CARD;
 
-	if (!mmc_can_erase(test->card))
+	if (!mmc_card_can_erase(test->card))
 		return RESULT_UNSUP_HOST;
 
 	for (sz = 512; sz <= t->max_sz; sz <<= 1) {
@@ -2114,7 +2114,7 @@ static int mmc_test_rw_multiple(struct mmc_test_card *test,
 		return 0;
 
 	/* prepare test area */
-	if (mmc_can_erase(test->card) &&
+	if (mmc_card_can_erase(test->card) &&
 	    tdata->prepare & MMC_TEST_PREP_ERASE) {
 		ret = mmc_erase(test->card, dev_addr,
 				size / 512, test->card->erase_arg);

drivers/mmc/core/queue.c

@@ -352,7 +352,7 @@ static struct gendisk *mmc_alloc_disk(struct mmc_queue *mq,
 	};
 	struct gendisk *disk;
 
-	if (mmc_can_erase(card))
+	if (mmc_card_can_erase(card))
 		mmc_queue_setup_discard(card, &lim);
 
 	lim.max_hw_sectors = min(host->max_blk_count, host->max_req_size / 512);