From patchwork Wed Oct 16 10:53:39 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 283913 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id E2FA32C00A2 for ; Wed, 16 Oct 2013 21:54:02 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760693Ab3JPKx7 (ORCPT ); Wed, 16 Oct 2013 06:53:59 -0400 Received: from mga02.intel.com ([134.134.136.20]:35004 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760596Ab3JPKxy (ORCPT ); Wed, 16 Oct 2013 06:53:54 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 16 Oct 2013 03:53:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,506,1378882800"; d="scan'208";a="419938306" Received: from blue.fi.intel.com ([10.237.72.156]) by orsmga002.jf.intel.com with ESMTP; 16 Oct 2013 03:53:46 -0700 From: Heikki Krogerus To: "John W. Linville" Cc: Johannes Berg , Rhyland Klein , "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 1/5] net: rfkill: gpio: convert to resource managed allocation Date: Wed, 16 Oct 2013 13:53:39 +0300 Message-Id: <1381920823-15403-2-git-send-email-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 1.8.4.rc3 In-Reply-To: <1381920823-15403-1-git-send-email-heikki.krogerus@linux.intel.com> References: <1381920823-15403-1-git-send-email-heikki.krogerus@linux.intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org And remove now unneeded resource freeing. Signed-off-by: Heikki Krogerus --- net/rfkill/rfkill-gpio.c | 75 +++++++++++++----------------------------------- 1 file changed, 20 insertions(+), 55 deletions(-) diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c index fb076cd..0705806 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -97,7 +97,7 @@ static int rfkill_gpio_probe(struct platform_device *pdev) return -EINVAL; } - rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL); + rfkill = devm_kzalloc(&pdev->dev, sizeof(*rfkill), GFP_KERNEL); if (!rfkill) return -ENOMEM; @@ -105,89 +105,65 @@ static int rfkill_gpio_probe(struct platform_device *pdev) ret = pdata->gpio_runtime_setup(pdev); if (ret) { pr_warn("%s: can't set up gpio\n", __func__); - goto fail_alloc; + return ret; } } rfkill->pdata = pdata; len = strlen(pdata->name); - rfkill->reset_name = kzalloc(len + 7, GFP_KERNEL); - if (!rfkill->reset_name) { - ret = -ENOMEM; - goto fail_alloc; - } + rfkill->reset_name = devm_kzalloc(&pdev->dev, len + 7, GFP_KERNEL); + if (!rfkill->reset_name) + return -ENOMEM; - rfkill->shutdown_name = kzalloc(len + 10, GFP_KERNEL); - if (!rfkill->shutdown_name) { - ret = -ENOMEM; - goto fail_reset_name; - } + rfkill->shutdown_name = devm_kzalloc(&pdev->dev, len + 10, GFP_KERNEL); + if (!rfkill->shutdown_name) + return -ENOMEM; snprintf(rfkill->reset_name, len + 6 , "%s_reset", pdata->name); snprintf(rfkill->shutdown_name, len + 9, "%s_shutdown", pdata->name); if (pdata->power_clk_name) { - rfkill->pwr_clk = clk_get(&pdev->dev, pdata->power_clk_name); + rfkill->pwr_clk = devm_clk_get(&pdev->dev, + pdata->power_clk_name); if (IS_ERR(rfkill->pwr_clk)) { pr_warn("%s: can't find pwr_clk.\n", __func__); - ret = PTR_ERR(rfkill->pwr_clk); - goto fail_shutdown_name; + return PTR_ERR(rfkill->pwr_clk); } } if (gpio_is_valid(pdata->reset_gpio)) { - ret = gpio_request(pdata->reset_gpio, rfkill->reset_name); + ret = devm_gpio_request(&pdev->dev, pdata->reset_gpio, + rfkill->reset_name); if (ret) { pr_warn("%s: failed to get reset gpio.\n", __func__); - goto fail_clock; + return ret; } } if (gpio_is_valid(pdata->shutdown_gpio)) { - ret = gpio_request(pdata->shutdown_gpio, rfkill->shutdown_name); + ret = devm_gpio_request(&pdev->dev, pdata->shutdown_gpio, + rfkill->shutdown_name); if (ret) { pr_warn("%s: failed to get shutdown gpio.\n", __func__); - goto fail_reset; + return ret; } } rfkill->rfkill_dev = rfkill_alloc(pdata->name, &pdev->dev, pdata->type, &rfkill_gpio_ops, rfkill); - if (!rfkill->rfkill_dev) { - ret = -ENOMEM; - goto fail_shutdown; - } + if (!rfkill->rfkill_dev) + return -ENOMEM; ret = rfkill_register(rfkill->rfkill_dev); if (ret < 0) - goto fail_rfkill; + return ret; platform_set_drvdata(pdev, rfkill); dev_info(&pdev->dev, "%s device registered.\n", pdata->name); return 0; - -fail_rfkill: - rfkill_destroy(rfkill->rfkill_dev); -fail_shutdown: - if (gpio_is_valid(pdata->shutdown_gpio)) - gpio_free(pdata->shutdown_gpio); -fail_reset: - if (gpio_is_valid(pdata->reset_gpio)) - gpio_free(pdata->reset_gpio); -fail_clock: - if (rfkill->pwr_clk) - clk_put(rfkill->pwr_clk); -fail_shutdown_name: - kfree(rfkill->shutdown_name); -fail_reset_name: - kfree(rfkill->reset_name); -fail_alloc: - kfree(rfkill); - - return ret; } static int rfkill_gpio_remove(struct platform_device *pdev) @@ -199,17 +175,6 @@ static int rfkill_gpio_remove(struct platform_device *pdev) pdata->gpio_runtime_close(pdev); rfkill_unregister(rfkill->rfkill_dev); rfkill_destroy(rfkill->rfkill_dev); - if (gpio_is_valid(rfkill->pdata->shutdown_gpio)) - gpio_free(rfkill->pdata->shutdown_gpio); - if (gpio_is_valid(rfkill->pdata->reset_gpio)) - gpio_free(rfkill->pdata->reset_gpio); - if (rfkill->pwr_clk && PWR_CLK_ENABLED(rfkill)) - clk_disable(rfkill->pwr_clk); - if (rfkill->pwr_clk) - clk_put(rfkill->pwr_clk); - kfree(rfkill->shutdown_name); - kfree(rfkill->reset_name); - kfree(rfkill); return 0; }