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memory: samsung: exynos5422-dmc: Convert to use resource-managed OPP API 

Use resource-managed OPP API to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Yangtao Li 2021-03-14 19:34:08 +03:00 committed by Viresh Kumar
parent 6d8a154f1d
commit a8bb0e872b
1 changed files with 3 additions and 10 deletions
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13
drivers/memory/samsung/exynos5422-dmc.c
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@ -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;
@ -354,7 +354,7 @@ 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)
goto err_opp;
return -ENOMEM;
idx = dmc->opp_count - 1;
for (i = 0, freq = ULONG_MAX; i < dmc->opp_count; i++, freq--) {
@ -362,7 +362,7 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc,
opp = dev_pm_opp_find_freq_floor(dmc->dev, &freq);
if (IS_ERR(opp))
goto 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);
@ -371,11 +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 -EINVAL;
}
/**
@ -1567,8 +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;
}