[PATCH v4 8/9] mmc: core: Add Ext memory addressing for erase

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CMD22 shall precede CMD32 and CMD33 to configure 38-bit erase start
address and 38 bit erase stop address.

Tested-by: Ricky WU <ricky_wu@xxxxxxxxxxx>
Signed-off-by: Avri Altman <avri.altman@xxxxxxx>
---
 drivers/mmc/core/core.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 2148ce4535ee..3315c1fad264 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1660,8 +1660,12 @@ static int mmc_do_erase(struct mmc_card *card, sector_t from,
 		cmd.opcode = SD_ERASE_WR_BLK_START;
 	else
 		cmd.opcode = MMC_ERASE_GROUP_START;
-	cmd.arg = from;
+	cmd.arg = from & 0xFFFFFFFF;
 	cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC;
+
+	if (mmc_card_ult_capacity(card))
+		mmc_send_ext_addr(card->host, from);
+
 	err = mmc_wait_for_cmd(card->host, &cmd, 0);
 	if (err) {
 		pr_err("mmc_erase: group start error %d, "
@@ -1675,8 +1679,12 @@ static int mmc_do_erase(struct mmc_card *card, sector_t from,
 		cmd.opcode = SD_ERASE_WR_BLK_END;
 	else
 		cmd.opcode = MMC_ERASE_GROUP_END;
-	cmd.arg = to;
+	cmd.arg = to & 0xFFFFFFFF;
 	cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC;
+
+	if (mmc_card_ult_capacity(card))
+		mmc_send_ext_addr(card->host, to);
+
 	err = mmc_wait_for_cmd(card->host, &cmd, 0);
 	if (err) {
 		pr_err("mmc_erase: group end error %d, status %#x\n",
-- 
2.25.1





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