diff mbox series

[2/2] ufs: core: remove encrypt when no data transfer

Message ID 20221011072126.30802-1-gaoyankaigeren@gmail.com
State New
Headers show
Series None | expand

Commit Message

高严凯 Oct. 11, 2022, 7:21 a.m. UTC 
From: Ten Gao <ten.gao@unisoc.com>

when there is no data transmission, ufs is unnecessary to encrypt.
We need to adjust scsi crypto relation.

Signed-off-by: Ten Gao <ten.gao@unisoc.com>
---
 drivers/ufs/core/ufshcd-crypto.h | 10 ++++++----
 include/ufs/ufshci.h             |  2 ++
 2 files changed, 8 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/ufs/core/ufshcd-crypto.h b/drivers/ufs/core/ufshcd-crypto.h
index 504cc841540b..5bc2a0cbdfa6 100644
--- a/drivers/ufs/core/ufshcd-crypto.h
+++ b/drivers/ufs/core/ufshcd-crypto.h
@@ -30,10 +30,12 @@  ufshcd_prepare_req_desc_hdr_crypto(struct ufshcd_lrb *lrbp, u32 *dword_0,
 				   u32 *dword_1, u32 *dword_3)
 {
 	if (lrbp->crypto_key_slot >= 0) {
-		*dword_0 |= UTP_REQ_DESC_CRYPTO_ENABLE_CMD;
-		*dword_0 |= lrbp->crypto_key_slot;
-		*dword_1 = lower_32_bits(lrbp->data_unit_num);
-		*dword_3 = upper_32_bits(lrbp->data_unit_num);
+		if ((*dword_0 & UTRD_DIRECTION) != UTP_NO_DATA_TRANSFER) {
+			*dword_0 |= UTP_REQ_DESC_CRYPTO_ENABLE_CMD;
+			*dword_0 |= lrbp->crypto_key_slot;
+			*dword_1 = lower_32_bits(lrbp->data_unit_num);
+			*dword_3 = upper_32_bits(lrbp->data_unit_num);
+		}
 	}
 }
 
diff --git a/include/ufs/ufshci.h b/include/ufs/ufshci.h
index f525566a0864..7dbfeecaa36c 100644
--- a/include/ufs/ufshci.h
+++ b/include/ufs/ufshci.h
@@ -387,6 +387,8 @@  enum {
 	UTP_DEVICE_TO_HOST	= 0x04000000,
 };
 
+#define UTRD_DIRECTION	0x6000000
+
 /* Overall command status values */
 enum utp_ocs {
 	OCS_SUCCESS			= 0x0,