[PATCH v2 08/10] mmc: core: Allow mmc erase to carry large addresses

[Avri Altman <avri.altman@xxxxxxx>]

Preparing for SDUC, Allow the erase address to be larger beyond a 32 bit
address.

Signed-off-by: Avri Altman <avri.altman@xxxxxxx>
---
 drivers/mmc/core/block.c |  6 ++++--
 drivers/mmc/core/core.c  | 18 ++++++++++--------
 drivers/mmc/core/core.h  |  2 +-
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index abf1e8a124a5..55b9fc34fdd4 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1154,7 +1154,8 @@ static void mmc_blk_issue_erase_rq(struct mmc_queue *mq, struct request *req,
 {
 	struct mmc_blk_data *md = mq->blkdata;
 	struct mmc_card *card = md->queue.card;
-	unsigned int from, nr;
+	unsigned int nr;
+	sector_t from;
 	int err = 0;
 	blk_status_t status = BLK_STS_OK;
 
@@ -1209,7 +1210,8 @@ static void mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
 {
 	struct mmc_blk_data *md = mq->blkdata;
 	struct mmc_card *card = md->queue.card;
-	unsigned int from, nr, arg;
+	unsigned int nr, arg;
+	sector_t from;
 	int err = 0, type = MMC_BLK_SECDISCARD;
 	blk_status_t status = BLK_STS_OK;
 
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 754e628b061b..8ea28a04e438 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1616,8 +1616,8 @@ static unsigned int mmc_erase_timeout(struct mmc_card *card,
 		return mmc_mmc_erase_timeout(card, arg, qty);
 }
 
-static int mmc_do_erase(struct mmc_card *card, unsigned int from,
-			unsigned int to, unsigned int arg)
+static int mmc_do_erase(struct mmc_card *card, sector_t from,
+			sector_t to, unsigned int arg)
 {
 	struct mmc_command cmd = {};
 	unsigned int qty = 0, busy_timeout = 0;
@@ -1718,18 +1718,19 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
 }
 
 static unsigned int mmc_align_erase_size(struct mmc_card *card,
-					 unsigned int *from,
-					 unsigned int *to,
+					 sector_t *from,
+					 sector_t *to,
 					 unsigned int nr)
 {
-	unsigned int from_new = *from, nr_new = nr, rem;
+	sector_t from_new = *from;
+	unsigned int nr_new = nr, rem;
 
 	/*
 	 * When the 'card->erase_size' is power of 2, we can use round_up/down()
 	 * to align the erase size efficiently.
 	 */
 	if (is_power_of_2(card->erase_size)) {
-		unsigned int temp = from_new;
+		sector_t temp = from_new;
 
 		from_new = round_up(temp, card->erase_size);
 		rem = from_new - temp;
@@ -1774,10 +1775,11 @@ static unsigned int mmc_align_erase_size(struct mmc_card *card,
  *
  * Caller must claim host before calling this function.
  */
-int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr,
+int mmc_erase(struct mmc_card *card, sector_t from, unsigned int nr,
 	      unsigned int arg)
 {
-	unsigned int rem, to = from + nr;
+	unsigned int rem;
+	sector_t to = from + nr;
 	int err;
 
 	if (!(card->csd.cmdclass & CCC_ERASE))
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index 37091a6589ed..faae4b6404ad 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -116,7 +116,7 @@ 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, unsigned int from, unsigned int nr,
+int mmc_erase(struct mmc_card *card, sector_t from, unsigned int nr,
 		unsigned int arg);
 int mmc_can_erase(struct mmc_card *card);
 int mmc_can_trim(struct mmc_card *card);
-- 
2.25.1