crypto: starfive - Update hash dma usage

Current hash uses sw fallback for non-word aligned input scatterlists.
Add support for unaligned cases utilizing the data valid mask for dma.
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/starfive/jh7110-cryp.c

@@ -103,12 +103,6 @@ static irqreturn_t starfive_cryp_irq(int irq, void *priv)
 		tasklet_schedule(&cryp->aes_done);
 	}
 
-	if (status & STARFIVE_IE_FLAG_HASH_DONE) {
-		mask |= STARFIVE_IE_MASK_HASH_DONE;
-		writel(mask, cryp->base + STARFIVE_IE_MASK_OFFSET);
-		tasklet_schedule(&cryp->hash_done);
-	}
-
 	return IRQ_HANDLED;
 }
 
@@ -132,7 +126,6 @@ static int starfive_cryp_probe(struct platform_device *pdev)
 				     "Error remapping memory for platform device\n");
 
 	tasklet_init(&cryp->aes_done, starfive_aes_done_task, (unsigned long)cryp);
-	tasklet_init(&cryp->hash_done, starfive_hash_done_task, (unsigned long)cryp);
 
 	cryp->phys_base = res->start;
 	cryp->dma_maxburst = 32;
@@ -220,7 +213,6 @@ static int starfive_cryp_probe(struct platform_device *pdev)
 	reset_control_assert(cryp->rst);
 
 	tasklet_kill(&cryp->aes_done);
-	tasklet_kill(&cryp->hash_done);
 
 	return ret;
 }
@@ -234,7 +226,6 @@ static void starfive_cryp_remove(struct platform_device *pdev)
 	starfive_rsa_unregister_algs();
 
 	tasklet_kill(&cryp->aes_done);
-	tasklet_kill(&cryp->hash_done);
 
 	crypto_engine_stop(cryp->engine);
 	crypto_engine_exit(cryp->engine);

drivers/crypto/starfive/jh7110-cryp.h

@@ -91,6 +91,7 @@ union starfive_hash_csr {
 #define STARFIVE_HASH_KEY_DONE			BIT(13)
 		u32 key_done			:1;
 		u32 key_flag			:1;
+#define STARFIVE_HASH_HMAC_DONE			BIT(15)
 		u32 hmac_done			:1;
 #define STARFIVE_HASH_BUSY			BIT(16)
 		u32 busy			:1;
@@ -189,7 +190,7 @@ struct starfive_cryp_dev {
 	struct scatter_walk			out_walk;
 	struct crypto_engine			*engine;
 	struct tasklet_struct			aes_done;
-	struct tasklet_struct			hash_done;
+	struct completion			dma_done;
 	size_t					assoclen;
 	size_t					total_in;
 	size_t					total_out;
@@ -237,6 +238,5 @@ void starfive_rsa_unregister_algs(void);
 int starfive_aes_register_algs(void);
 void starfive_aes_unregister_algs(void);
 
-void starfive_hash_done_task(unsigned long param);
 void starfive_aes_done_task(unsigned long param);
 #endif