From patchwork Mon May 16 02:13:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 9098071 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 294189F1C3 for ; Mon, 16 May 2016 02:16:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 57DD22011B for ; Mon, 16 May 2016 02:16:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7A9CA20149 for ; Mon, 16 May 2016 02:16:34 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b2836-0007r9-JA; Mon, 16 May 2016 02:14:24 +0000 Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b2833-0007nq-Fy for linux-arm-kernel@lists.infradead.org; Mon, 16 May 2016 02:14:22 +0000 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 802D0613BA; Mon, 16 May 2016 02:14:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from drakthul.qualcomm.com (global_nat1_iad_fw.qualcomm.com [129.46.232.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: okaya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id BAA35613AC; Mon, 16 May 2016 02:14:01 +0000 (UTC) From: Sinan Kaya To: kvm@vger.kernel.org, timur@codeaurora.org, cov@codeaurora.org, jcm@redhat.com, eric.auger@linaro.org Subject: [PATCH V5 2/6] vfio: platform: move reset call to a common function Date: Sun, 15 May 2016 22:13:35 -0400 Message-Id: <1463364819-477-3-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1463364819-477-1-git-send-email-okaya@codeaurora.org> References: <1463364819-477-1-git-send-email-okaya@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160515_191421_582841_C93F1FD2 X-CRM114-Status: GOOD ( 13.45 ) X-Spam-Score: -3.3 (---) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Baptiste Reynal , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Sinan Kaya , linux-acpi@vger.kernel.org, Alex Williamson , agross@codeaurora.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The reset call sequence seems to replicate itself multiple times across the file. Grouping them together for maintenance reasons. Signed-off-by: Sinan Kaya --- drivers/vfio/platform/vfio_platform_common.c | 31 ++++++++++++++-------------- 1 file changed, 15 insertions(+), 16 deletions(-) diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index 08fd7c2..cb91dd3 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -134,6 +134,18 @@ static void vfio_platform_regions_cleanup(struct vfio_platform_device *vdev) kfree(vdev->regions); } +static int vfio_platform_call_reset(struct vfio_platform_device *vdev) +{ + if (vdev->of_reset) { + dev_info(vdev->device, "reset\n"); + vdev->of_reset(vdev); + return 0; + } + + dev_warn(vdev->device, "no reset function found!\n"); + return -EINVAL; +} + static void vfio_platform_release(void *device_data) { struct vfio_platform_device *vdev = device_data; @@ -141,12 +153,7 @@ static void vfio_platform_release(void *device_data) mutex_lock(&driver_lock); if (!(--vdev->refcnt)) { - if (vdev->of_reset) { - dev_info(vdev->device, "reset\n"); - vdev->of_reset(vdev); - } else { - dev_warn(vdev->device, "no reset function found!\n"); - } + vfio_platform_call_reset(vdev); vfio_platform_regions_cleanup(vdev); vfio_platform_irq_cleanup(vdev); } @@ -175,12 +182,7 @@ static int vfio_platform_open(void *device_data) if (ret) goto err_irq; - if (vdev->of_reset) { - dev_info(vdev->device, "reset\n"); - vdev->of_reset(vdev); - } else { - dev_warn(vdev->device, "no reset function found!\n"); - } + vfio_platform_call_reset(vdev); } vdev->refcnt++; @@ -312,10 +314,7 @@ static long vfio_platform_ioctl(void *device_data, return ret; } else if (cmd == VFIO_DEVICE_RESET) { - if (vdev->of_reset) - return vdev->of_reset(vdev); - else - return -EINVAL; + return vfio_platform_call_reset(vdev); } return -ENOTTY;