1 files changed, 20 insertions, 51 deletions

diff --git a/drivers/crypto/marvell/cesa/cesa.c b/drivers/crypto/marvell/cesa/cesa.c
index b61e35b932e5..301bdf239e7d 100644
--- a/drivers/crypto/marvell/cesa/cesa.c
+++ b/drivers/crypto/marvell/cesa/cesa.c
@@ -94,7 +94,7 @@ static int mv_cesa_std_process(struct mv_cesa_engine *engine, u32 status)
 
 static int mv_cesa_int_process(struct mv_cesa_engine *engine, u32 status)
 {
-	if (engine->chain.first && engine->chain.last)
+	if (engine->chain_hw.first && engine->chain_hw.last)
 		return mv_cesa_tdma_process(engine, status);
 
 	return mv_cesa_std_process(engine, status);
@@ -375,7 +375,6 @@ static int mv_cesa_get_sram(struct platform_device *pdev, int idx)
 {
 	struct mv_cesa_dev *cesa = platform_get_drvdata(pdev);
 	struct mv_cesa_engine *engine = &cesa->engines[idx];
-	const char *res_name = "sram";
 	struct resource *res;
 
 	engine->pool = of_gen_pool_get(cesa->dev->of_node,
@@ -391,19 +390,7 @@ static int mv_cesa_get_sram(struct platform_device *pdev, int idx)
 		return -ENOMEM;
 	}
 
-	if (cesa->caps->nengines > 1) {
-		if (!idx)
-			res_name = "sram0";
-		else
-			res_name = "sram1";
-	}
-
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-					   res_name);
-	if (!res || resource_size(res) < cesa->sram_size)
-		return -EINVAL;
-
-	engine->sram = devm_ioremap_resource(cesa->dev, res);
+	engine->sram = devm_platform_get_and_ioremap_resource(pdev, idx, &res);
 	if (IS_ERR(engine->sram))
 		return PTR_ERR(engine->sram);
 
@@ -433,7 +420,6 @@ static int mv_cesa_probe(struct platform_device *pdev)
 {
 	const struct mv_cesa_caps *caps = &orion_caps;
 	const struct mbus_dram_target_info *dram;
-	const struct of_device_id *match;
 	struct device *dev = &pdev->dev;
 	struct mv_cesa_dev *cesa;
 	struct mv_cesa_engine *engines;
@@ -446,11 +432,9 @@ static int mv_cesa_probe(struct platform_device *pdev)
 	}
 
 	if (dev->of_node) {
-		match = of_match_node(mv_cesa_of_match_table, dev->of_node);
-		if (!match || !match->data)
+		caps = of_device_get_match_data(dev);
+		if (!caps)
 			return -ENOTSUPP;
-
-		caps = match->data;
 	}
 
 	cesa = devm_kzalloc(dev, sizeof(*cesa), GFP_KERNEL);
@@ -488,7 +472,7 @@ static int mv_cesa_probe(struct platform_device *pdev)
 
 	for (i = 0; i < caps->nengines; i++) {
 		struct mv_cesa_engine *engine = &cesa->engines[i];
-		char res_name[7];
+		char res_name[16];
 
 		engine->id = i;
 		spin_lock_init(&engine->lock);
@@ -509,26 +493,22 @@ static int mv_cesa_probe(struct platform_device *pdev)
 		 * Not all platforms can gate the CESA clocks: do not complain
 		 * if the clock does not exist.
 		 */
-		snprintf(res_name, sizeof(res_name), "cesa%d", i);
-		engine->clk = devm_clk_get(dev, res_name);
+		snprintf(res_name, sizeof(res_name), "cesa%u", i);
+		engine->clk = devm_clk_get_optional_enabled(dev, res_name);
 		if (IS_ERR(engine->clk)) {
-			engine->clk = devm_clk_get(dev, NULL);
-			if (IS_ERR(engine->clk))
-				engine->clk = NULL;
+			engine->clk = devm_clk_get_optional_enabled(dev, NULL);
+			if (IS_ERR(engine->clk)) {
+				ret = PTR_ERR(engine->clk);
+				goto err_cleanup;
+			}
 		}
 
-		snprintf(res_name, sizeof(res_name), "cesaz%d", i);
-		engine->zclk = devm_clk_get(dev, res_name);
-		if (IS_ERR(engine->zclk))
-			engine->zclk = NULL;
-
-		ret = clk_prepare_enable(engine->clk);
-		if (ret)
-			goto err_cleanup;
-
-		ret = clk_prepare_enable(engine->zclk);
-		if (ret)
+		snprintf(res_name, sizeof(res_name), "cesaz%u", i);
+		engine->zclk = devm_clk_get_optional_enabled(dev, res_name);
+		if (IS_ERR(engine->zclk)) {
+			ret = PTR_ERR(engine->zclk);
 			goto err_cleanup;
+		}
 
 		engine->regs = cesa->regs + CESA_ENGINE_OFF(i);
 
@@ -570,32 +550,21 @@ static int mv_cesa_probe(struct platform_device *pdev)
 	return 0;
 
 err_cleanup:
-	for (i = 0; i < caps->nengines; i++) {
-		clk_disable_unprepare(cesa->engines[i].zclk);
-		clk_disable_unprepare(cesa->engines[i].clk);
+	for (i = 0; i < caps->nengines; i++)
 		mv_cesa_put_sram(pdev, i);
-		if (cesa->engines[i].irq > 0)
-			irq_set_affinity_hint(cesa->engines[i].irq, NULL);
-	}
 
 	return ret;
 }
 
-static int mv_cesa_remove(struct platform_device *pdev)
+static void mv_cesa_remove(struct platform_device *pdev)
 {
 	struct mv_cesa_dev *cesa = platform_get_drvdata(pdev);
 	int i;
 
 	mv_cesa_remove_algs(cesa);
 
-	for (i = 0; i < cesa->caps->nengines; i++) {
-		clk_disable_unprepare(cesa->engines[i].zclk);
-		clk_disable_unprepare(cesa->engines[i].clk);
+	for (i = 0; i < cesa->caps->nengines; i++)
 		mv_cesa_put_sram(pdev, i);
-		irq_set_affinity_hint(cesa->engines[i].irq, NULL);
-	}
-
-	return 0;
 }
 
 static const struct platform_device_id mv_cesa_plat_id_table[] = {