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

[Yangtao Li]

Use devm_pm_opp_* API to simplify code.

Signed-off-by: Yangtao Li <tiny.win...@gmail.com>
---
 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

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