diff mbox series

[v2,09/10] mmc: core: Add Ext memory addressing for erase

Message ID 20240807060309.2403023-10-avri.altman@wdc.com (mailing list archive)
State New
Headers show
Series Add SDUC Support | expand

Commit Message

Avri Altman Aug. 7, 2024, 6:03 a.m. UTC 
CMD22 shall precede CMD32 and CMD33 to configure 38-bit erase start
address and 38 bit erase stop address.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
---
 drivers/mmc/core/core.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 8ea28a04e438..7f724f6a1332 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_is_sduc(card->host))
+		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_is_sduc(card->host))
+		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",