Though card didn't support HPI,someone could use the send_hpi_cmd().
Then maybe didn't work fine.
Because card->ext_csd.hpi_cmd didn't set.
So if card didn't support hpi, return the waring message.
And CMD12's flags is MMC_RSP_R1B.
Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/mmc/core/mmc_ops.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 4d41fa9..395f944 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -556,9 +556,15 @@ int mmc_send_hpi_cmd(struct mmc_card *card, u32 *status)
unsigned int flags;
int err;
+ if (!card->ext_csd.hpi) {
+ pr_waring("%s: Card didn't support HPI command\n",
+ mmc_hostname(card->host));
+ return -EINVAL;
+ }
+
opcode = card->ext_csd.hpi_cmd;
if (opcode == MMC_STOP_TRANSMISSION)
- flags = MMC_RSP_R1 | MMC_CMD_AC;
+ flags = MMC_RSP_R1B | MMC_CMD_AC;
else if (opcode == MMC_SEND_STATUS)
flags = MMC_RSP_R1 | MMC_CMD_AC;
--
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