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-rw-r--r--drivers/mmc/core/crypto.c15
-rw-r--r--drivers/mmc/host/cqhci-crypto.h7
2 files changed, 9 insertions, 13 deletions
diff --git a/drivers/mmc/core/crypto.c b/drivers/mmc/core/crypto.c
index 419a368f8402..67557808cada 100644
--- a/drivers/mmc/core/crypto.c
+++ b/drivers/mmc/core/crypto.c
@@ -31,18 +31,11 @@ void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq)
struct request *req = mmc_queue_req_to_req(mqrq);
struct mmc_request *mrq = &mqrq->brq.mrq;
- if (!req->crypt_keyslot)
+ if (!req->crypt_ctx)
return;
- mrq->crypto_enabled = true;
- mrq->crypto_key_slot = blk_ksm_get_slot_idx(req->crypt_keyslot);
-
- /*
- * For now we assume that all MMC drivers set max_dun_bytes_supported=4,
- * which is the limit for CQHCI crypto. So all DUNs should be 32-bit.
- */
- WARN_ON_ONCE(req->crypt_ctx->bc_dun[0] > U32_MAX);
-
- mrq->data_unit_num = req->crypt_ctx->bc_dun[0];
+ mrq->crypto_ctx = req->crypt_ctx;
+ if (req->crypt_keyslot)
+ mrq->crypto_key_slot = blk_ksm_get_slot_idx(req->crypt_keyslot);
}
EXPORT_SYMBOL_GPL(mmc_crypto_prepare_req);
diff --git a/drivers/mmc/host/cqhci-crypto.h b/drivers/mmc/host/cqhci-crypto.h
index 60b58ee0e625..d7fb084f563b 100644
--- a/drivers/mmc/host/cqhci-crypto.h
+++ b/drivers/mmc/host/cqhci-crypto.h
@@ -22,12 +22,15 @@ int cqhci_crypto_init(struct cqhci_host *host);
*/
static inline u64 cqhci_crypto_prep_task_desc(struct mmc_request *mrq)
{
- if (!mrq->crypto_enabled)
+ if (!mrq->crypto_ctx)
return 0;
+ /* We set max_dun_bytes_supported=4, so all DUNs should be 32-bit. */
+ WARN_ON_ONCE(mrq->crypto_ctx->bc_dun[0] > U32_MAX);
+
return CQHCI_CRYPTO_ENABLE_BIT |
CQHCI_CRYPTO_KEYSLOT(mrq->crypto_key_slot) |
- mrq->data_unit_num;
+ mrq->crypto_ctx->bc_dun[0];
}
#else /* CONFIG_MMC_CRYPTO */