From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752222Ab2GPHBZ (ORCPT ); Mon, 16 Jul 2012 03:01:25 -0400 Received: from hqemgate03.nvidia.com ([216.228.121.140]:6368 "EHLO hqemgate03.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750769Ab2GPHBU (ORCPT ); Mon, 16 Jul 2012 03:01:20 -0400 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Mon, 16 Jul 2012 00:01:09 -0700 From: Laxman Dewangan To: , , CC: , , , Laxman Dewangan Subject: [PATCH V2 1/6] mfd: tps6586x:use devm managed resources Date: Mon, 16 Jul 2012 12:21:45 +0530 Message-ID: <1342421510-10638-2-git-send-email-ldewangan@nvidia.com> X-Mailer: git-send-email 1.7.1.1 In-Reply-To: <1342421510-10638-1-git-send-email-ldewangan@nvidia.com> References: <1342421510-10638-1-git-send-email-ldewangan@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Allocate memory for device state using devm_kzalloc(), get the IRQ using devm_request_irq(). All to simplify accounting and letting the kernel do the garbage-collection. Signed-off-by: Laxman Dewangan --- Changes V1 -> V2: No change, generated new patch for V2 series. drivers/mfd/tps6586x.c | 23 ++++++++--------------- 1 files changed, 8 insertions(+), 15 deletions(-) diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index c84b550..1256b7f 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -432,8 +432,8 @@ static int __devinit tps6586x_irq_init(struct tps6586x *tps6586x, int irq, #endif } - ret = request_threaded_irq(irq, NULL, tps6586x_irq, IRQF_ONESHOT, - "tps6586x", tps6586x); + ret = devm_request_threaded_irq(tps6586x->dev, irq, NULL, tps6586x_irq, + IRQF_ONESHOT, "tps6586x", tps6586x); if (!ret) { device_init_wakeup(tps6586x->dev, 1); @@ -579,9 +579,11 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client, dev_info(&client->dev, "VERSIONCRC is %02x\n", ret); - tps6586x = kzalloc(sizeof(struct tps6586x), GFP_KERNEL); - if (tps6586x == NULL) + tps6586x = devm_kzalloc(&client->dev, sizeof(*tps6586x), GFP_KERNEL); + if (tps6586x == NULL) { + dev_err(&client->dev, "memory for tps6586x alloc failed\n"); return -ENOMEM; + } tps6586x->client = client; tps6586x->dev = &client->dev; @@ -594,14 +596,14 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client, pdata->irq_base); if (ret) { dev_err(&client->dev, "IRQ init failed: %d\n", ret); - goto err_irq_init; + return ret; } } ret = tps6586x_gpio_init(tps6586x, pdata->gpio_base); if (ret) { dev_err(&client->dev, "GPIO registration failed: %d\n", ret); - goto err_gpio_init; + return ret; } ret = tps6586x_add_subdevs(tps6586x, pdata); @@ -619,11 +621,6 @@ err_add_devs: dev_err(&client->dev, "Can't remove gpio chip: %d\n", ret); } -err_gpio_init: - if (client->irq) - free_irq(client->irq, tps6586x); -err_irq_init: - kfree(tps6586x); return ret; } @@ -633,9 +630,6 @@ static int __devexit tps6586x_i2c_remove(struct i2c_client *client) struct tps6586x_platform_data *pdata = client->dev.platform_data; int ret; - if (client->irq) - free_irq(client->irq, tps6586x); - if (pdata->gpio_base) { ret = gpiochip_remove(&tps6586x->gpio); if (ret) @@ -644,7 +638,6 @@ static int __devexit tps6586x_i2c_remove(struct i2c_client *client) } tps6586x_remove_subdevs(tps6586x); - kfree(tps6586x); return 0; } -- 1.7.1.1