Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758638Ab3EWMAm (ORCPT ); Thu, 23 May 2013 08:00:42 -0400 Received: from szxga01-in.huawei.com ([119.145.14.64]:62660 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758576Ab3EWMAk (ORCPT ); Thu, 23 May 2013 08:00:40 -0400 From: Libo Chen To: CC: , , , , , , Subject: [PATCH RFC v3 1/3] i2c: i2c-bfin-twi: convert to devm_* API Date: Thu, 23 May 2013 20:00:05 +0800 Message-ID: <1369310405-21112-1-git-send-email-libo.chen@huawei.com> X-Mailer: git-send-email 1.8.1.msysgit.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.135.72.158] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3107 Lines: 106 peripheral_request_list has got free if any one faild, so no need to free again in err case. aovid this, convert them to devm_* API Signed-off-by: Libo Chen --- drivers/i2c/busses/i2c-bfin-twi.c | 38 +++++++++--------------------------- 1 files changed, 10 insertions(+), 28 deletions(-) diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c index 05080c4..2b99c48 100644 --- a/drivers/i2c/busses/i2c-bfin-twi.c +++ b/drivers/i2c/busses/i2c-bfin-twi.c @@ -621,35 +621,27 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev) int rc; unsigned int clkhilow; - iface = kzalloc(sizeof(struct bfin_twi_iface), GFP_KERNEL); + iface = devm_kzalloc(&pdev->dev, sizeof(struct bfin_twi_iface), + GFP_KERNEL); if (!iface) { dev_err(&pdev->dev, "Cannot allocate memory\n"); - rc = -ENOMEM; - goto out_error_nomem; + return -ENOMEM; } spin_lock_init(&(iface->lock)); /* Find and map our resources */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "Cannot get IORESOURCE_MEM\n"); - rc = -ENOENT; - goto out_error_get_res; - } - - iface->regs_base = ioremap(res->start, resource_size(res)); - if (iface->regs_base == NULL) { + iface->regs_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(iface->regs_base)) { dev_err(&pdev->dev, "Cannot map IO\n"); - rc = -ENXIO; - goto out_error_ioremap; + return -ENXIO; } iface->irq = platform_get_irq(pdev, 0); if (iface->irq < 0) { dev_err(&pdev->dev, "No IRQ specified\n"); - rc = -ENOENT; - goto out_error_no_irq; + return -ENOENT; } p_adap = &iface->adap; @@ -666,10 +658,10 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev) "i2c-bfin-twi"); if (rc) { dev_err(&pdev->dev, "Can't setup pin mux!\n"); - goto out_error_pin_mux; + return rc; } - rc = request_irq(iface->irq, bfin_twi_interrupt_entry, + rc = devm_request_irq(&pdev->dev, iface->irq, bfin_twi_interrupt_entry, 0, pdev->name, iface); if (rc) { dev_err(&pdev->dev, "Can't get IRQ %d !\n", iface->irq); @@ -707,16 +699,9 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev) return 0; out_error_add_adapter: - free_irq(iface->irq, iface); out_error_req_irq: -out_error_no_irq: peripheral_free_list((unsigned short *)pdev->dev.platform_data); -out_error_pin_mux: - iounmap(iface->regs_base); -out_error_ioremap: -out_error_get_res: - kfree(iface); -out_error_nomem: + return rc; } @@ -725,10 +710,7 @@ static int i2c_bfin_twi_remove(struct platform_device *pdev) struct bfin_twi_iface *iface = platform_get_drvdata(pdev); i2c_del_adapter(&(iface->adap)); - free_irq(iface->irq, iface); peripheral_free_list((unsigned short *)pdev->dev.platform_data); - iounmap(iface->regs_base); - kfree(iface); return 0; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/