From patchwork Mon Jul 18 23:09:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 9235571 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4D52D6075D for ; Mon, 18 Jul 2016 23:09:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3FD292522B for ; Mon, 18 Jul 2016 23:09:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 33A7926490; Mon, 18 Jul 2016 23:09:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D796A252D2 for ; Mon, 18 Jul 2016 23:09:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752273AbcGRXJs (ORCPT ); Mon, 18 Jul 2016 19:09:48 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:53609 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752100AbcGRXJm (ORCPT ); Mon, 18 Jul 2016 19:09:42 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 7B80861295; Mon, 18 Jul 2016 23:09:41 +0000 (UTC) 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 B777D61267; Mon, 18 Jul 2016 23:09:39 +0000 (UTC) From: Sinan Kaya To: kvm@vger.kernel.org, timur@codeaurora.org, cov@codeaurora.org, jcm@redhat.com, alex.williamson@redhat.com, eric.auger@redhat.com Cc: linux-acpi@vger.kernel.org, agross@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya , Baptiste Reynal , linux-kernel@vger.kernel.org Subject: [PATCH V10 5/9] vfio: platform: add extra debug info argument to call reset Date: Mon, 18 Jul 2016 19:09:23 -0400 Message-Id: <1468883367-2854-6-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1468883367-2854-1-git-send-email-okaya@codeaurora.org> References: <1468883367-2854-1-git-send-email-okaya@codeaurora.org> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Getting ready to bring out extra debug information to the caller so that more verbose information can be printed when an error is observed. Signed-off-by: Sinan Kaya Reviewed-by: Baptiste Reynal --- drivers/vfio/platform/vfio_platform_common.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index a5299f6..f6025c9 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -166,7 +166,8 @@ 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) +static int vfio_platform_call_reset(struct vfio_platform_device *vdev, + const char **extra_dbg) { if (vdev->of_reset) { dev_info(vdev->device, "reset\n"); @@ -184,7 +185,7 @@ static void vfio_platform_release(void *device_data) mutex_lock(&driver_lock); if (!(--vdev->refcnt)) { - vfio_platform_call_reset(vdev); + vfio_platform_call_reset(vdev, NULL); vfio_platform_regions_cleanup(vdev); vfio_platform_irq_cleanup(vdev); } @@ -213,7 +214,7 @@ static int vfio_platform_open(void *device_data) if (ret) goto err_irq; - vfio_platform_call_reset(vdev); + vfio_platform_call_reset(vdev, NULL); } vdev->refcnt++; @@ -345,7 +346,7 @@ static long vfio_platform_ioctl(void *device_data, return ret; } else if (cmd == VFIO_DEVICE_RESET) { - return vfio_platform_call_reset(vdev); + return vfio_platform_call_reset(vdev, NULL); } return -ENOTTY;