From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: [PATCH 12/17] ASoC: Tegra+WM8903 machine: Use devm_ APIs and module_platform_driver Date: Tue, 22 Nov 2011 18:21:20 -0700 Message-ID: <1322011285-4002-13-git-send-email-swarren@nvidia.com> References: <1322011285-4002-1-git-send-email-swarren@nvidia.com> Return-path: In-Reply-To: <1322011285-4002-1-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Brown , Liam Girdwood , Olof Johansson , Colin Cross Cc: alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, Mike Rapoport , John Bonesio , Grant Likely , Marc Dietrich , Leon Romanovsky , Peter De Schrijver , Rob Herring , Ian Lartey , Dimitris Papastamos , Stephen Warren List-Id: devicetree@vger.kernel.org module_platform_drive 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 --- sound/soc/tegra/tegra_wm8903.c | 26 +++++++------------------- 1 files changed, 7 insertions(+), 19 deletions(-) diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c index 9b0ee15..33feee8 100644 --- a/sound/soc/tegra/tegra_wm8903.c +++ b/sound/soc/tegra/tegra_wm8903.c @@ -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 "); MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver"); -- 1.7.0.4