3 files changed, 43 insertions, 9 deletions

diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h
index 1f01703f510a..081805c0f88b 100644
--- a/drivers/crypto/caam/intern.h
+++ b/drivers/crypto/caam/intern.h
@@ -58,7 +58,7 @@ struct caam_drv_private_jr {
 	dma_addr_t *inpring;	/* Base of input ring, alloc DMA-safe */
 	int out_ring_read_index;	/* Output index "tail" */
 	int tail;			/* entinfo (s/w ring) tail index */
-	struct jr_outentry *outring;	/* Base of output ring, DMA-safe */
+	void *outring;			/* Base of output ring, DMA-safe */
 };
 
 /*
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 98b308de42c0..6c91f38862e4 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -211,7 +211,7 @@ static void caam_jr_dequeue(unsigned long devarg)
 		for (i = 0; CIRC_CNT(head, tail + i, JOBR_DEPTH) >= 1; i++) {
 			sw_idx = (tail + i) & (JOBR_DEPTH - 1);
 
-			if (jrp->outring[hw_idx].desc ==
+			if (jr_outentry_desc(jrp->outring, hw_idx) ==
 			    caam_dma_to_cpu(jrp->entinfo[sw_idx].desc_addr_dma))
 				break; /* found */
 		}
@@ -220,7 +220,8 @@ static void caam_jr_dequeue(unsigned long devarg)
 
 		/* Unmap just-run descriptor so we can post-process */
 		dma_unmap_single(dev,
-				 caam_dma_to_cpu(jrp->outring[hw_idx].desc),
+				 caam_dma_to_cpu(jr_outentry_desc(jrp->outring,
+								  hw_idx)),
 				 jrp->entinfo[sw_idx].desc_size,
 				 DMA_TO_DEVICE);
 
@@ -231,7 +232,8 @@ static void caam_jr_dequeue(unsigned long devarg)
 		usercall = jrp->entinfo[sw_idx].callbk;
 		userarg = jrp->entinfo[sw_idx].cbkarg;
 		userdesc = jrp->entinfo[sw_idx].desc_addr_virt;
-		userstatus = caam32_to_cpu(jrp->outring[hw_idx].jrstatus);
+		userstatus = caam32_to_cpu(jr_outentry_jrstatus(jrp->outring,
+								hw_idx));
 
 		/*
 		 * Make sure all information from the job has been obtained
@@ -438,7 +440,7 @@ static int caam_jr_init(struct device *dev)
 	if (!jrp->inpring)
 		return -ENOMEM;
 
-	jrp->outring = dmam_alloc_coherent(dev, sizeof(*jrp->outring) *
+	jrp->outring = dmam_alloc_coherent(dev, SIZEOF_JR_OUTENTRY *
 					   JOBR_DEPTH, &outbusaddr,
 					   GFP_KERNEL);
 	if (!jrp->outring)
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h
index 0df4cf32fe78..cf73015b3be0 100644
--- a/drivers/crypto/caam/regs.h
+++ b/drivers/crypto/caam/regs.h
@@ -71,6 +71,7 @@
 
 extern bool caam_little_end;
 extern bool caam_imx;
+extern size_t caam_ptr_sz;
 
 #define caam_to_cpu(len)						\
 static inline u##len caam##len ## _to_cpu(u##len val)			\
@@ -208,10 +209,41 @@ static inline u64 caam_dma_to_cpu(u64 value)
  * jr_outentry
  * Represents each entry in a JobR output ring
  */
-struct jr_outentry {
-	dma_addr_t desc;/* Pointer to completed descriptor */
-	u32 jrstatus;	/* Status for completed descriptor */
-} __packed;
+
+static inline void jr_outentry_get(void *outring, int hw_idx, dma_addr_t *desc,
+				   u32 *jrstatus)
+{
+	struct {
+		dma_addr_t desc;/* Pointer to completed descriptor */
+		u32 jrstatus;	/* Status for completed descriptor */
+	} __packed *outentry = outring;
+
+	*desc = outentry[hw_idx].desc;
+	*jrstatus = outentry[hw_idx].jrstatus;
+}
+
+#define SIZEOF_JR_OUTENTRY	(caam_ptr_sz + sizeof(u32))
+
+static inline dma_addr_t jr_outentry_desc(void *outring, int hw_idx)
+{
+	dma_addr_t desc;
+	u32 unused;
+
+	jr_outentry_get(outring, hw_idx, &desc, &unused);
+
+	return desc;
+}
+
+static inline u32 jr_outentry_jrstatus(void *outring, int hw_idx)
+{
+	dma_addr_t unused;
+	u32 jrstatus;
+
+	jr_outentry_get(outring, hw_idx, &unused, &jrstatus);
+
+	return jrstatus;
+}
+
 
 /* Version registers (Era 10+)	e80-eff */
 struct version_regs {