From patchwork Mon Jun 17 15:20:50 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 2734521 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 75C7BC0AB1 for ; Mon, 17 Jun 2013 15:23:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C2678203DB for ; Mon, 17 Jun 2013 15:23:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8318720200 for ; Mon, 17 Jun 2013 15:23:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753124Ab3FQPWW (ORCPT ); Mon, 17 Jun 2013 11:22:22 -0400 Received: from mail-pd0-f174.google.com ([209.85.192.174]:32999 "EHLO mail-pd0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751331Ab3FQPWS (ORCPT ); Mon, 17 Jun 2013 11:22:18 -0400 Received: by mail-pd0-f174.google.com with SMTP id 10so2872691pdc.5 for ; Mon, 17 Jun 2013 08:22:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=9iVktS6gPvkIqKycYyA1+mmcG4AxYoA6ila+Qlo9TVY=; b=mRSholr/a5fCtIAuffBdzRnebB+rPc7VSoGWtIKCscI7IOt48ddNcLTdOYmVjq3ZHG beE925G/W1LTz5hnmRRazh/ZOFA6F5TMVDxVS9CX2IzvjvioJeGT+uP7LhgMQIqkRsRp AAIjUVG0NekEzvf+gi5dFotcOY8dZyTjuAcNV1cvO4Gf3mQvtSOoz2KzZeIiCJ/5H4qQ ZK/0Isp64bf21QpKnCmptXcXPQIq46ZhacYSwKNWUAZcMR5izK2UX0uzCS8EWTSDPHTd fnlEo66lk/nLcsjjmQuTVJ5B6bIIs22rH+zd2e5T7b6vUeaLYFtn++dC9kPhD/iTHlYG BbMQ== X-Received: by 10.68.3.107 with SMTP id b11mr13507474pbb.118.1371482537970; Mon, 17 Jun 2013 08:22:17 -0700 (PDT) Received: from localhost.localdomain ([1.23.210.59]) by mx.google.com with ESMTPSA id fp2sm14187573pbb.36.2013.06.17.08.22.13 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 17 Jun 2013 08:22:16 -0700 (PDT) From: Prabhakar Lad To: Mauro Carvalho Chehab , LMML , DLOS , Hans Verkuil , Laurent Pinchart Cc: LKML , "Lad, Prabhakar" Subject: [PATCH v4 10/11] media: davinci: vpif_display: Convert to devm_* api Date: Mon, 17 Jun 2013 20:50:50 +0530 Message-Id: <1371482451-18314-11-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1371482451-18314-1-git-send-email-prabhakar.csengg@gmail.com> References: <1371482451-18314-1-git-send-email-prabhakar.csengg@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: "Lad, Prabhakar" use devm_request_irq() instead of request_irq(). This ensures more consistent error values and simplifies error paths. Signed-off-by: Lad, Prabhakar Acked-by: Laurent Pinchart --- drivers/media/platform/davinci/vpif_display.c | 35 +++++++------------------ 1 file changed, 10 insertions(+), 25 deletions(-) diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 473d1a9..1bf289d 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -1652,15 +1652,14 @@ static __init int vpif_probe(struct platform_device *pdev) while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { for (i = res->start; i <= res->end; i++) { - if (request_irq(i, vpif_channel_isr, IRQF_SHARED, - "VPIF_Display", (void *) - (&vpif_obj.dev[res_idx]->channel_id))) { - err = -EBUSY; - for (j = 0; j < i; j++) - free_irq(j, (void *) - (&vpif_obj.dev[res_idx]->channel_id)); + err = devm_request_irq(&pdev->dev, i, vpif_channel_isr, + IRQF_SHARED, "VPIF_Display", + (void *)(&vpif_obj.dev[res_idx]-> + channel_id)); + if (err) { + err = -EINVAL; vpif_err("VPIF IRQ request failed\n"); - goto vpif_int_err; + goto vpif_unregister; } } res_idx++; @@ -1678,7 +1677,7 @@ static __init int vpif_probe(struct platform_device *pdev) video_device_release(ch->video_dev); } err = -ENOMEM; - goto vpif_int_err; + goto vpif_unregister; } /* Initialize field of video device */ @@ -1812,13 +1811,8 @@ vpif_sd_error: /* Note: does nothing if ch->video_dev == NULL */ video_device_release(ch->video_dev); } -vpif_int_err: +vpif_unregister: v4l2_device_unregister(&vpif_obj.v4l2_dev); - for (i = 0; i < res_idx; i++) { - res = platform_get_resource(pdev, IORESOURCE_IRQ, i); - for (j = res->start; j <= res->end; j++) - free_irq(j, (void *)(&vpif_obj.dev[i]->channel_id)); - } return err; } @@ -1829,16 +1823,7 @@ vpif_int_err: static int vpif_remove(struct platform_device *device) { struct channel_obj *ch; - struct resource *res; - int irq_num; - int i = 0; - - while ((res = platform_get_resource(device, IORESOURCE_IRQ, i))) { - for (irq_num = res->start; irq_num <= res->end; irq_num++) - free_irq(irq_num, - (void *)(&vpif_obj.dev[i]->channel_id)); - i++; - } + int i; v4l2_device_unregister(&vpif_obj.v4l2_dev);