From patchwork Thu Jan 26 22:56:12 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Noralf_Tr=C3=B8nnes?= X-Patchwork-Id: 9540275 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 9B6CD60429 for ; Thu, 26 Jan 2017 22:58:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 91C8D27D29 for ; Thu, 26 Jan 2017 22:58:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8628B28306; Thu, 26 Jan 2017 22:58:15 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0705A27D29 for ; Thu, 26 Jan 2017 22:58:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 70A496EC5D; Thu, 26 Jan 2017 22:58:14 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.domeneshop.no (smtp.domeneshop.no [IPv6:2a01:5b40:0:3005::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 37B4D6EC5D for ; Thu, 26 Jan 2017 22:58:13 +0000 (UTC) Received: from 211.81-166-168.customer.lyse.net ([81.166.168.211]:33677 helo=localhost.localdomain) by smtp.domeneshop.no with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1cWsyA-0004r8-SH; Thu, 26 Jan 2017 23:56:42 +0100 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= To: dri-devel@lists.freedesktop.org Subject: [PATCH 10/19] drm/nouveau: Remove nouveau_drm_debugfs_cleanup() Date: Thu, 26 Jan 2017 23:56:12 +0100 Message-Id: <20170126225621.12314-11-noralf@tronnes.org> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170126225621.12314-1-noralf@tronnes.org> References: <20170126225621.12314-1-noralf@tronnes.org> MIME-Version: 1.0 Cc: kraxel@redhat.com, liviu.dudau@arm.com, linux@armlinux.org.uk, jsarha@ti.com, tomi.valkeinen@ti.com, bskeggs@redhat.com, linux+etnaviv@armlinux.org.uk, alexander.deucher@amd.com, daniel.vetter@intel.com, vincent.abriou@st.com, christian.koenig@amd.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP drm_debugfs_cleanup() now removes all minor->debugfs_list entries automatically, so the drm_driver.debugfs_cleanup callback is not needed. Additionally it uses debugfs_remove_recursive() to clean up the debugfs files, so no need for adding fake drm_info_node entries. Cc: bskeggs@redhat.com Signed-off-by: Noralf Trønnes --- drivers/gpu/drm/nouveau/nouveau_debugfs.c | 62 ++++++------------------------- drivers/gpu/drm/nouveau/nouveau_debugfs.h | 6 --- drivers/gpu/drm/nouveau/nouveau_drm.c | 1 - 3 files changed, 12 insertions(+), 57 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 411c12c..ece1987 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -49,8 +49,8 @@ nouveau_debugfs_vbios_image(struct seq_file *m, void *data) static int nouveau_debugfs_pstate_get(struct seq_file *m, void *data) { - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct nouveau_debugfs *debugfs = nouveau_debugfs(node->minor->dev); + struct drm_device *drm = m->private; + struct nouveau_debugfs *debugfs = nouveau_debugfs(drm); struct nvif_object *ctrl = &debugfs->ctrl; struct nvif_control_pstate_info_v0 info = {}; int ret, i; @@ -120,8 +120,8 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf, size_t len, loff_t *offp) { struct seq_file *m = file->private_data; - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct nouveau_debugfs *debugfs = nouveau_debugfs(node->minor->dev); + struct drm_device *drm = m->private; + struct nouveau_debugfs *debugfs = nouveau_debugfs(drm); struct nvif_object *ctrl = &debugfs->ctrl; struct nvif_control_pstate_user_v0 args = { .pwrsrc = -EINVAL }; char buf[32] = {}, *tmp, *cur = buf; @@ -192,42 +192,19 @@ static const struct nouveau_debugfs_files { {"pstate", &nouveau_pstate_fops}, }; -static int -nouveau_debugfs_create_file(struct drm_minor *minor, - const struct nouveau_debugfs_files *ndf) -{ - struct drm_info_node *node; - - node = kmalloc(sizeof(*node), GFP_KERNEL); - if (node == NULL) - return -ENOMEM; - - node->minor = minor; - node->info_ent = (const void *)ndf->fops; - node->dent = debugfs_create_file(ndf->name, S_IRUGO | S_IWUSR, - minor->debugfs_root, node, ndf->fops); - if (!node->dent) { - kfree(node); - return -ENOMEM; - } - - mutex_lock(&minor->debugfs_lock); - list_add(&node->list, &minor->debugfs_list); - mutex_unlock(&minor->debugfs_lock); - return 0; -} - int nouveau_drm_debugfs_init(struct drm_minor *minor) { - int i, ret; + struct dentry *dentry; + int i; for (i = 0; i < ARRAY_SIZE(nouveau_debugfs_files); i++) { - ret = nouveau_debugfs_create_file(minor, - &nouveau_debugfs_files[i]); - - if (ret) - return ret; + dentry = debugfs_create_file(nouveau_debugfs_files[i].name, + S_IRUGO | S_IWUSR, + minor->debugfs_root, minor->dev, + nouveau_debugfs_files[i].fops); + if (!dentry) + return -ENOMEM; } return drm_debugfs_create_files(nouveau_debugfs_list, @@ -235,21 +212,6 @@ nouveau_drm_debugfs_init(struct drm_minor *minor) minor->debugfs_root, minor); } -void -nouveau_drm_debugfs_cleanup(struct drm_minor *minor) -{ - int i; - - drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES, - minor); - - for (i = 0; i < ARRAY_SIZE(nouveau_debugfs_files); i++) { - drm_debugfs_remove_files((struct drm_info_list *) - nouveau_debugfs_files[i].fops, - 1, minor); - } -} - int nouveau_debugfs_init(struct nouveau_drm *drm) { diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.h b/drivers/gpu/drm/nouveau/nouveau_debugfs.h index eab5881..b799f8d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.h +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.h @@ -18,7 +18,6 @@ nouveau_debugfs(struct drm_device *dev) } extern int nouveau_drm_debugfs_init(struct drm_minor *); -extern void nouveau_drm_debugfs_cleanup(struct drm_minor *); extern int nouveau_debugfs_init(struct nouveau_drm *); extern void nouveau_debugfs_fini(struct nouveau_drm *); #else @@ -28,11 +27,6 @@ nouveau_drm_debugfs_init(struct drm_minor *minor) return 0; } -static inline void -nouveau_drm_debugfs_cleanup(struct drm_minor *minor) -{ -} - static inline int nouveau_debugfs_init(struct nouveau_drm *drm) { diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index dd7b52a..715741a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -971,7 +971,6 @@ driver_stub = { #if defined(CONFIG_DEBUG_FS) .debugfs_init = nouveau_drm_debugfs_init, - .debugfs_cleanup = nouveau_drm_debugfs_cleanup, #endif .get_vblank_counter = drm_vblank_no_hw_counter,