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-rw-r--r--drivers/crypto/marvell/octeontx2/otx2_cpt_common.h7
-rw-r--r--drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c10
2 files changed, 13 insertions, 4 deletions
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h b/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h
index 746b049c6c44..ba1682a213e3 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h
+++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h
@@ -186,6 +186,13 @@ static inline void otx2_cpt_set_hw_caps(struct pci_dev *pdev,
}
}
+static inline bool cpt_is_errata_38550_exists(struct pci_dev *pdev)
+{
+ if (is_dev_otx2(pdev) || is_dev_cn10ka_ax(pdev))
+ return true;
+
+ return false;
+}
static inline bool cpt_feature_sgv2(struct pci_dev *pdev)
{
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
index 7fccc348f66e..e319aa1ff119 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
@@ -1254,10 +1254,12 @@ int otx2_cpt_create_eng_grps(struct otx2_cptpf_dev *cptpf,
* encounters a fault/poison, a rare case may result in
* unpredictable data being delivered to a CPT engine.
*/
- otx2_cpt_read_af_reg(&cptpf->afpf_mbox, pdev, CPT_AF_DIAG, &reg_val,
- BLKADDR_CPT0);
- otx2_cpt_write_af_reg(&cptpf->afpf_mbox, pdev, CPT_AF_DIAG,
- reg_val | BIT_ULL(24), BLKADDR_CPT0);
+ if (cpt_is_errata_38550_exists(pdev)) {
+ otx2_cpt_read_af_reg(&cptpf->afpf_mbox, pdev, CPT_AF_DIAG,
+ &reg_val, BLKADDR_CPT0);
+ otx2_cpt_write_af_reg(&cptpf->afpf_mbox, pdev, CPT_AF_DIAG,
+ reg_val | BIT_ULL(24), BLKADDR_CPT0);
+ }
mutex_unlock(&eng_grps->lock);
return 0;