[PATCH 23/31] memory: samsung: exynos5422-dmc: convert to use devm_pm_opp_* API
From: Yangtao Li <tiny.windzz@gmail.com>
Date: 2021-01-01 17:01:35
Also in:
dri-devel, linux-arm-msm, linux-media, linux-mmc, linux-pm, linux-samsung-soc, linux-spi, linux-tegra, lkml
Subsystem:
arm/samsung s3c, s5p and exynos arm architectures, dmc frequency driver for samsung exynos5422, memory controller drivers, the rest · Maintainers:
Krzysztof Kozlowski, Lukasz Luba, Linus Torvalds
Use devm_pm_opp_* API to simplify code. Signed-off-by: Yangtao Li <tiny.windzz@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