Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932494Ab2KFIYU (ORCPT ); Tue, 6 Nov 2012 03:24:20 -0500 Received: from arroyo.ext.ti.com ([192.94.94.40]:53495 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754521Ab2KFIYS (ORCPT ); Tue, 6 Nov 2012 03:24:18 -0500 From: "Patil, Rachna" To: CC: Samuel Ortiz , "Patil, Rachna" Subject: [PATCH 1/1] MFD: ti_am335x_tscadc: pass correct error message Date: Tue, 6 Nov 2012 13:39:03 +0530 Message-ID: <1352189343-23305-1-git-send-email-rachna@ti.com> X-Mailer: git-send-email 1.7.0.4 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 Content-Length: 2770 Lines: 94 Pass on the correct error message from platform_get_irq() instead of hard coding it to "EINVAL". Also change label from "err" to "ret" for better readability and update the same in error path. Signed-off-by: Patil, Rachna --- drivers/mfd/ti_am335x_tscadc.c | 25 +++++++++++-------------- 1 files changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index e947dd8..8ca3bf0 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -65,7 +65,6 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev) struct clk *clk; struct mfd_tscadc_board *pdata = pdev->dev.platform_data; struct mfd_cell *cell; - int irq; int err, ctrl; int clk_value, clock_rate; int tsc_wires, adc_channels = 0, total_channels; @@ -92,12 +91,6 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev) return -EINVAL; } - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "no irq ID is specified.\n"); - return -EINVAL; - } - /* Allocate memory for device */ tscadc = devm_kzalloc(&pdev->dev, sizeof(struct ti_tscadc_dev), GFP_KERNEL); @@ -106,22 +99,26 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev) return -ENOMEM; } tscadc->dev = &pdev->dev; - tscadc->irq = irq; + + err = platform_get_irq(pdev, 0); + if (err < 0) { + dev_err(&pdev->dev, "no irq ID is specified.\n"); + goto ret; + } else + tscadc->irq = err; res = devm_request_mem_region(&pdev->dev, res->start, resource_size(res), pdev->name); if (!res) { dev_err(&pdev->dev, "failed to reserve registers.\n"); - err = -EBUSY; - goto err; + return -EBUSY; } tscadc->tscadc_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (!tscadc->tscadc_base) { dev_err(&pdev->dev, "failed to map registers.\n"); - err = -ENOMEM; - goto err; + return -ENOMEM; } tscadc->regmap_tscadc = devm_regmap_init_mmio(&pdev->dev, @@ -129,7 +126,7 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev) if (IS_ERR(tscadc->regmap_tscadc)) { dev_err(&pdev->dev, "regmap init failed\n"); err = PTR_ERR(tscadc->regmap_tscadc); - goto err; + goto ret; } pm_runtime_enable(&pdev->dev); @@ -201,7 +198,7 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev) err_disable_clk: pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); -err: +ret: return err; } -- 1.7.0.4 -- 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/