From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78AE2C55178 for ; Wed, 21 Oct 2020 13:07:45 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 127E320797 for ; Wed, 21 Oct 2020 13:07:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 127E320797 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E97746E133; Wed, 21 Oct 2020 13:07:36 +0000 (UTC) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9EA486E133 for ; Wed, 21 Oct 2020 13:07:35 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 5286CAFE8; Wed, 21 Oct 2020 13:07:34 +0000 (UTC) From: Thomas Zimmermann To: hdegoede@redhat.com, airlied@linux.ie, daniel@ffwll.ch, sean@poorly.run, maarten.lankhorst@linux.intel.com, mripard@kernel.org Subject: [PATCH 1/3] drm: Add reference to USB device to struct drm_device Date: Wed, 21 Oct 2020 15:07:30 +0200 Message-Id: <20201021130732.4048-2-tzimmermann@suse.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201021130732.4048-1-tzimmermann@suse.de> References: <20201021130732.4048-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Zimmermann , dri-devel@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" We have DRM drivers that operate on USB devices. So far they had to store a pointer to the USB device structure. Move the reference into struct drm_device. Putting the USB device into a union with the PCI data saves a few bytes. Both should mutually exclusive. Signed-off-by: Thomas Zimmermann --- include/drm/drm_device.h | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h index f4f68e7a9149..9871fcabd720 100644 --- a/include/drm/drm_device.h +++ b/include/drm/drm_device.h @@ -25,6 +25,7 @@ struct inode; struct pci_dev; struct pci_controller; +struct usb_device; /** * enum drm_switch_power - power state of drm device @@ -283,16 +284,24 @@ struct drm_device { */ spinlock_t event_lock; - /** @agp: AGP data */ - struct drm_agp_head *agp; + union { + struct { + /** @agp: AGP data */ + struct drm_agp_head *agp; - /** @pdev: PCI device structure */ - struct pci_dev *pdev; + /** @pdev: PCI device structure */ + struct pci_dev *pdev; #ifdef __alpha__ - /** @hose: PCI hose, only used on ALPHA platforms. */ - struct pci_controller *hose; + /** @hose: PCI hose, only used on ALPHA platforms. */ + struct pci_controller *hose; #endif + }; + + /** @udev: USB device structure */ + struct usb_device *udev; + }; + /** @num_crtcs: Number of CRTCs on this device */ unsigned int num_crtcs; -- 2.28.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel