[PATCH 23/31] memory: samsung: exynos5422-dmc: convert to use devm_pm_opp_* API

[Yangtao Li <tiny.windzz@xxxxxxxxx>]

Use devm_pm_opp_* API to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
 drivers/memory/samsung/exynos5422-dmc.c | 21 +++++----------------
 1 file changed, 5 insertions(+), 16 deletions(-)

diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c
index 62a83633f837..cab9fd74322b 100644
--- a/drivers/memory/samsung/exynos5422-dmc.c
+++ b/drivers/memory/samsung/exynos5422-dmc.c
@@ -343,7 +343,7 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc,
 	int idx;
 	unsigned long freq;
 
-	ret = dev_pm_opp_of_add_table(dmc->dev);
+	ret = devm_pm_opp_of_add_table(dmc->dev);
 	if (ret < 0) {
 		dev_err(dmc->dev, "Failed to get OPP table\n");
 		return ret;
@@ -353,20 +353,16 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc,
 
 	dmc->opp = devm_kmalloc_array(dmc->dev, dmc->opp_count,
 				      sizeof(struct dmc_opp_table), GFP_KERNEL);
-	if (!dmc->opp) {
-		ret = -ENOMEM;
-		goto err_opp;
-	}
+	if (!dmc->opp)
+		return -ENOMEM;
 
 	idx = dmc->opp_count - 1;
 	for (i = 0, freq = ULONG_MAX; i < dmc->opp_count; i++, freq--) {
 		struct dev_pm_opp *opp;
 
 		opp = dev_pm_opp_find_freq_floor(dmc->dev, &freq);
-		if (IS_ERR(opp)) {
-			ret = PTR_ERR(opp);
-			goto err_opp;
-		}
+		if (IS_ERR(opp))
+			return PTR_ERR(opp);
 
 		dmc->opp[idx - i].freq_hz = freq;
 		dmc->opp[idx - i].volt_uv = dev_pm_opp_get_voltage(opp);
@@ -375,11 +371,6 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc,
 	}
 
 	return 0;
-
-err_opp:
-	dev_pm_opp_of_remove_table(dmc->dev);
-
-	return ret;
 }
 
 /**
@@ -1571,8 +1562,6 @@ static int exynos5_dmc_remove(struct platform_device *pdev)
 	clk_disable_unprepare(dmc->mout_bpll);
 	clk_disable_unprepare(dmc->fout_bpll);
 
-	dev_pm_opp_remove_table(dmc->dev);
-
 	return 0;
 }
 
-- 
2.25.1