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ASoC: Tegra+WM8903 machine: Use devm_ APIs and module_platform_driver 

module_platform_driver saves some boiler-plate code.

The devm_ APIs remove the need to manually clean up allocations,
thus removing some code.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Stephen Warren 2011-11-22 18:21:20 -07:00 committed by Mark Brown
parent 186bcda6f6
commit e4e4c18a93
1 changed files with 7 additions and 19 deletions
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26
sound/soc/tegra/tegra_wm8903.c
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@ -390,17 +390,19 @@ static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev)
return -EINVAL;
}
machine = kzalloc(sizeof(struct tegra_wm8903), GFP_KERNEL);
machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8903),
GFP_KERNEL);
if (!machine) {
dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n");
return -ENOMEM;
ret = -ENOMEM;
goto err;
}
machine->pdata = pdata;
ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
if (ret)
goto err_free_machine;
goto err;
card->dev = &pdev->dev;
platform_set_drvdata(pdev, card);
@ -431,8 +433,7 @@ static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev)
err_fini_utils:
tegra_asoc_utils_fini(&machine->util_data);
err_free_machine:
kfree(machine);
err:
return ret;
}
@ -460,8 +461,6 @@ static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev)
tegra_asoc_utils_fini(&machine->util_data);
kfree(machine);
return 0;
}
@ -474,18 +473,7 @@ static struct platform_driver tegra_wm8903_driver = {
.probe = tegra_wm8903_driver_probe,
.remove = __devexit_p(tegra_wm8903_driver_remove),
};
static int __init tegra_wm8903_modinit(void)
{
return platform_driver_register(&tegra_wm8903_driver);
}
module_init(tegra_wm8903_modinit);
static void __exit tegra_wm8903_modexit(void)
{
platform_driver_unregister(&tegra_wm8903_driver);
}
module_exit(tegra_wm8903_modexit);
module_platform_driver(tegra_wm8903_driver);
MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver");