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mmc: meson-gx: use devm_mmc_alloc_host 

Use new function devm_mmc_alloc_host() to simplify the code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/728f159b-885f-c78a-1a3d-f55c245250e1@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Heiner Kallweit 2023-02-04 00:54:48 +01:00 committed by Ulf Hansson
parent 80df83c2c5
commit 418f7c2de1
1 changed files with 17 additions and 35 deletions
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52
drivers/mmc/host/meson-gx-mmc.c
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@ -1179,7 +1179,7 @@ static int meson_mmc_probe(struct platform_device *pdev)
struct mmc_host *mmc;
int ret;
mmc = mmc_alloc_host(sizeof(struct meson_host), &pdev->dev);
mmc = devm_mmc_alloc_host(&pdev->dev, sizeof(struct meson_host));
if (!mmc)
return -ENOMEM;
host = mmc_priv(mmc);
@ -1195,46 +1195,33 @@ static int meson_mmc_probe(struct platform_device *pdev)
host->vqmmc_enabled = false;
ret = mmc_regulator_get_supply(mmc);
if (ret)
goto free_host;
return ret;
ret = mmc_of_parse(mmc);
if (ret) {
if (ret != -EPROBE_DEFER)
dev_warn(&pdev->dev, "error parsing DT: %d\n", ret);
goto free_host;
}
if (ret)
return dev_err_probe(&pdev->dev, ret, "error parsing DT\n");
host->data = (struct meson_mmc_data *)
of_device_get_match_data(&pdev->dev);
if (!host->data) {
ret = -EINVAL;
goto free_host;
}
if (!host->data)
return -EINVAL;
ret = device_reset_optional(&pdev->dev);
if (ret) {
dev_err_probe(&pdev->dev, ret, "device reset failed\n");
goto free_host;
}
if (ret)
return dev_err_probe(&pdev->dev, ret, "device reset failed\n");
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
host->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(host->regs)) {
ret = PTR_ERR(host->regs);
goto free_host;
}
if (IS_ERR(host->regs))
return PTR_ERR(host->regs);
host->irq = platform_get_irq(pdev, 0);
if (host->irq <= 0) {
ret = -EINVAL;
goto free_host;
}
if (host->irq <= 0)
return -EINVAL;
host->pinctrl = devm_pinctrl_get(&pdev->dev);
if (IS_ERR(host->pinctrl)) {
ret = PTR_ERR(host->pinctrl);
goto free_host;
}
if (IS_ERR(host->pinctrl))
return PTR_ERR(host->pinctrl);
host->pins_clk_gate = pinctrl_lookup_state(host->pinctrl,
"clk-gate");
@ -1245,14 +1232,12 @@ static int meson_mmc_probe(struct platform_device *pdev)
}
host->core_clk = devm_clk_get(&pdev->dev, "core");
if (IS_ERR(host->core_clk)) {
ret = PTR_ERR(host->core_clk);
goto free_host;
}
if (IS_ERR(host->core_clk))
return PTR_ERR(host->core_clk);
ret = clk_prepare_enable(host->core_clk);
if (ret)
goto free_host;
return ret;
ret = meson_mmc_clk_init(host);
if (ret)
@ -1347,8 +1332,6 @@ err_init_clk:
clk_disable_unprepare(host->mmc_clk);
err_core_clk:
clk_disable_unprepare(host->core_clk);
free_host:
mmc_free_host(mmc);
return ret;
}
@ -1365,7 +1348,6 @@ static int meson_mmc_remove(struct platform_device *pdev)
clk_disable_unprepare(host->mmc_clk);
clk_disable_unprepare(host->core_clk);
mmc_free_host(host->mmc);
return 0;
}