diff --git a/drivers/common/cnxk/roc_nix_inl.c b/drivers/common/cnxk/roc_nix_inl.c
index 11ed157703..826c6e99c1 100644
--- a/drivers/common/cnxk/roc_nix_inl.c
+++ b/drivers/common/cnxk/roc_nix_inl.c
@@ -330,12 +330,13 @@ roc_nix_inl_outb_init(struct roc_nix *roc_nix)
 	struct dev *dev = &nix->dev;
 	struct msix_offset_rsp *rsp;
 	struct nix_inl_dev *inl_dev;
+	size_t sa_sz, ring_sz;
 	uint16_t sso_pffunc;
 	uint8_t eng_grpmask;
 	uint64_t blkaddr, i;
+	uint64_t *ring_base;
 	uint16_t nb_lf;
 	void *sa_base;
-	size_t sa_sz;
 	int j, rc;
 	void *sa;
 
@@ -468,16 +469,16 @@ roc_nix_inl_outb_init(struct roc_nix *roc_nix)
 	/* Allocate memory to be used as a ring buffer to poll for
 	 * soft expiry event from ucode
 	 */
+	ring_sz = (ROC_IPSEC_ERR_RING_MAX_ENTRY + 1) * sizeof(uint64_t);
+	ring_base = inl_dev->sa_soft_exp_ring;
 	for (i = 0; i < nix->outb_se_ring_cnt; i++) {
-		inl_dev->sa_soft_exp_ring[nix->outb_se_ring_base + i] =
-			plt_zmalloc((ROC_IPSEC_ERR_RING_MAX_ENTRY + 1) *
-					    sizeof(uint64_t),
-				    0);
-		if (!inl_dev->sa_soft_exp_ring[i]) {
+		ring_base[nix->outb_se_ring_base + i] =
+			PLT_U64_CAST(plt_zmalloc(ring_sz, 0));
+		if (!ring_base[nix->outb_se_ring_base + i]) {
 			plt_err("Couldn't allocate memory for soft exp ring");
 			while (i--)
-				plt_free(inl_dev->sa_soft_exp_ring
-						 [nix->outb_se_ring_base + i]);
+				plt_free(PLT_PTR_CAST(
+					ring_base[nix->outb_se_ring_base + i]));
 			rc = -ENOMEM;
 			goto lf_fini;
 		}
@@ -504,6 +505,7 @@ roc_nix_inl_outb_fini(struct roc_nix *roc_nix)
 	struct idev_cfg *idev = idev_get_cfg();
 	struct dev *dev = &nix->dev;
 	struct nix_inl_dev *inl_dev;
+	uint64_t *ring_base;
 	int i, rc, ret = 0;
 
 	if (!nix->inl_outb_ena)
@@ -537,10 +539,11 @@ roc_nix_inl_outb_fini(struct roc_nix *roc_nix)
 
 	if (idev && idev->nix_inl_dev) {
 		inl_dev = idev->nix_inl_dev;
+		ring_base = inl_dev->sa_soft_exp_ring;
 
 		for (i = 0; i < ROC_NIX_INL_MAX_SOFT_EXP_RNGS; i++) {
-			if (inl_dev->sa_soft_exp_ring[i])
-				plt_free(inl_dev->sa_soft_exp_ring[i]);
+			if (ring_base[i])
+				plt_free(PLT_PTR_CAST(ring_base[i]));
 		}
 	}
 
diff --git a/drivers/common/cnxk/roc_nix_inl.h b/drivers/common/cnxk/roc_nix_inl.h
index 1dc58f2da2..2c2a4d76f2 100644
--- a/drivers/common/cnxk/roc_nix_inl.h
+++ b/drivers/common/cnxk/roc_nix_inl.h
@@ -137,7 +137,7 @@ struct roc_nix_inl_dev {
 	bool set_soft_exp_poll;
 	/* End of input parameters */
 
-#define ROC_NIX_INL_MEM_SZ (2304)
+#define ROC_NIX_INL_MEM_SZ (1280)
 	uint8_t reserved[ROC_NIX_INL_MEM_SZ] __plt_cache_aligned;
 } __plt_cache_aligned;
 
diff --git a/drivers/common/cnxk/roc_nix_inl_dev.c b/drivers/common/cnxk/roc_nix_inl_dev.c
index 1cfcdba3f2..5a032aab52 100644
--- a/drivers/common/cnxk/roc_nix_inl_dev.c
+++ b/drivers/common/cnxk/roc_nix_inl_dev.c
@@ -653,7 +653,7 @@ inl_outb_soft_exp_poll(struct nix_inl_dev *inl_dev, uint32_t ring_idx)
 	uint32_t port_id;
 
 	port_id = ring_idx / ROC_NIX_SOFT_EXP_PER_PORT_MAX_RINGS;
-	ring_base = inl_dev->sa_soft_exp_ring[ring_idx];
+	ring_base = PLT_PTR_CAST(inl_dev->sa_soft_exp_ring[ring_idx]);
 	if (!ring_base) {
 		plt_err("Invalid soft exp ring base");
 		return;
@@ -751,6 +751,14 @@ nix_inl_outb_poll_thread_setup(struct nix_inl_dev *inl_dev)
 
 	inl_dev->soft_exp_ring_bmap_mem = mem;
 	inl_dev->soft_exp_ring_bmap = bmap;
+	inl_dev->sa_soft_exp_ring = plt_zmalloc(
+		ROC_NIX_INL_MAX_SOFT_EXP_RNGS * sizeof(uint64_t), 0);
+	if (!inl_dev->sa_soft_exp_ring) {
+		plt_err("soft expiry ring pointer array alloc failed");
+		plt_free(mem);
+		rc = -ENOMEM;
+		goto exit;
+	}
 
 	for (i = 0; i < ROC_NIX_INL_MAX_SOFT_EXP_RNGS; i++)
 		plt_bitmap_clear(inl_dev->soft_exp_ring_bmap, i);
@@ -896,6 +904,7 @@ roc_nix_inl_dev_fini(struct roc_nix_inl_dev *roc_inl_dev)
 		pthread_join(inl_dev->soft_exp_poll_thread, NULL);
 		plt_bitmap_free(inl_dev->soft_exp_ring_bmap);
 		plt_free(inl_dev->soft_exp_ring_bmap_mem);
+		plt_free(inl_dev->sa_soft_exp_ring);
 	}
 
 	/* Flush Inbound CTX cache entries */
diff --git a/drivers/common/cnxk/roc_nix_inl_priv.h b/drivers/common/cnxk/roc_nix_inl_priv.h
index da6d6e9b03..0fa5e090d4 100644
--- a/drivers/common/cnxk/roc_nix_inl_priv.h
+++ b/drivers/common/cnxk/roc_nix_inl_priv.h
@@ -58,7 +58,7 @@ struct nix_inl_dev {
 	/* OUTB soft expiry poll thread */
 	pthread_t soft_exp_poll_thread;
 	uint32_t soft_exp_poll_freq;
-	void *sa_soft_exp_ring[ROC_NIX_INL_MAX_SOFT_EXP_RNGS];
+	uint64_t *sa_soft_exp_ring;
 
 	/* Soft expiry ring bitmap */
 	struct plt_bitmap *soft_exp_ring_bmap;
diff --git a/drivers/common/cnxk/roc_platform.h b/drivers/common/cnxk/roc_platform.h
index fa285446bd..28004b1743 100644
--- a/drivers/common/cnxk/roc_platform.h
+++ b/drivers/common/cnxk/roc_platform.h
@@ -63,6 +63,13 @@
 #ifndef PLT_ETHER_ADDR_LEN
 #define PLT_ETHER_ADDR_LEN RTE_ETHER_ADDR_LEN
 #endif
+
+/* Cast to specific datatypes */
+#define PLT_PTR_CAST(val) ((void *)(val))
+#define PLT_U64_CAST(val) ((uint64_t)(val))
+#define PLT_U32_CAST(val) ((uint32_t)(val))
+#define PLT_U16_CAST(val) ((uint16_t)(val))
+
 /** Divide ceil */
 #define PLT_DIV_CEIL(x, y)			\
 	({					\
