diff mbox series

[v8,06/10] mmc: core: Add Ext memory addressing for erase

Message ID 20241006051148.160278-7-avri.altman@wdc.com (mailing list archive)
State New
Headers show
Series Add SDUC Support | expand

Commit Message

Avri Altman Oct. 6, 2024, 5:11 a.m. UTC 
CMD22 shall precede CMD32 and CMD33 to configure 38-bit erase start
address and 38 bit erase stop address.

Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Avri Altman <avri.altman@wdc.com>
---
 drivers/mmc/core/core.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 06f63fbaadfb..01a7142eada3 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1647,6 +1647,12 @@  static int mmc_do_erase(struct mmc_card *card, sector_t from,
 		cmd.opcode = MMC_ERASE_GROUP_START;
 	cmd.arg = from;
 	cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC;
+
+	if (mmc_card_ult_capacity(card)) {
+		cmd.ext_addr = from >> 32;
+		cmd.has_ext_addr = true;
+	}
+
 	err = mmc_wait_for_cmd(card->host, &cmd, 0);
 	if (err) {
 		pr_err("mmc_erase: group start error %d, "
@@ -1662,6 +1668,12 @@  static int mmc_do_erase(struct mmc_card *card, sector_t from,
 		cmd.opcode = MMC_ERASE_GROUP_END;
 	cmd.arg = to;
 	cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC;
+
+	if (mmc_card_ult_capacity(card)) {
+		cmd.ext_addr = to >> 32;
+		cmd.has_ext_addr = true;
+	}
+
 	err = mmc_wait_for_cmd(card->host, &cmd, 0);
 	if (err) {
 		pr_err("mmc_erase: group end error %d, status %#x\n",