From patchwork Tue Aug 3 10:01:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 12415825 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 77BADC4320E for ; Tue, 3 Aug 2021 10:04:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6173F61050 for ; Tue, 3 Aug 2021 10:04:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235385AbhHCKEL (ORCPT ); Tue, 3 Aug 2021 06:04:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235059AbhHCKEC (ORCPT ); Tue, 3 Aug 2021 06:04:02 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73671C06179E for ; Tue, 3 Aug 2021 03:03:44 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mArFM-0002yL-C1; Tue, 03 Aug 2021 12:02:04 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mArFC-0006FF-3O; Tue, 03 Aug 2021 12:01:54 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1mArFC-0002nA-04; Tue, 03 Aug 2021 12:01:54 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Bjorn Helgaas Cc: kernel@pengutronix.de, Greg Kroah-Hartman , linux-pci@vger.kernel.org, Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Russell Currey , "Oliver O'Halloran" , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Thomas Gleixner , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , =?utf-8?b?UmFmYcWCIE1p?= =?utf-8?b?xYJlY2tp?= , Zhou Wang , Herbert Xu , "David S. Miller" , Giovanni Cabiddu , Sathya Prakash , Sreekanth Reddy , Suganath Prabu Subramani , Frederic Barrat , Andrew Donnellan , Arnd Bergmann , Yisen Zhuang , Salil Mehta , Jakub Kicinski , Vadym Kochan , Taras Chornyi , Jiri Pirko , Ido Schimmel , Simon Horman , Konrad Rzeszutek Wilk , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Michael Buesch , Mathias Nyman , Fiona Trahe , Andy Shevchenko , Wojciech Ziemba , Alexander Duyck , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-wireless@vger.kernel.org, linux-crypto@vger.kernel.org, qat-linux@intel.com, MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, netdev@vger.kernel.org, oss-drivers@corigine.com, xen-devel@lists.xenproject.org, linux-usb@vger.kernel.org Subject: [PATCH v2 4/6] PCI: Provide wrapper to access a pci_dev's bound driver Date: Tue, 3 Aug 2021 12:01:48 +0200 Message-Id: <20210803100150.1543597-5-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210803100150.1543597-1-u.kleine-koenig@pengutronix.de> References: <20210803100150.1543597-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Patch-Hashes: v=1; h=sha256; i=7QyPcwdZ4NY+Kamu1yuALIDREdHsFlSri/yk8rxG5RU=; m=efVkvKukHsBB4PwEUkp1fcCPAc6GyqodQBQ/wT0SBJU=; p=/gl5i/UU1Dx09yWOtLon+pQ4jNTmCE0Y+RzjPzQvvpA=; g=9669558ff758fb0bb7e9379b94e233c729d3a4b8 X-Patch-Sig: m=pgp; i=u.kleine-koenig@pengutronix.de; s=0x0D2511F322BFAB1C1580266BE2DCDD9132669BD6; b=iQEzBAABCgAdFiEEfnIqFpAYrP8+dKQLwfwUeK3K7AkFAmEJFAEACgkQwfwUeK3K7AkEDAf9FkM yYEH0uPWXjAlXFjWJg/qs1OjQZAytoASxLwmE7IwWg35kI/m1h/u2a2AVZWn+jaVHX3HODjoadxTn URZHNuJTI8vyJ54sQhdWu1XQAhM6hQXMH+VT5+sGSr6ef22DBYjejzITU3/dQmbXd5bgxHmE4qZs9 AmMZlyF3h+R4zSeZ0XiQH4ZgZZbxWVvcTc+1Nrp5kiounCsd0W2hQGCJeeLjt6mxggPqplrDkaEyC 1q0Gc6KhA26FWFEJQk/kKyDRSWF9Wgopqjwre5M4S6Stwz1lcOE74RvqFEPXeM/WWzw2fp7bt95sa h9z/Mj0ADvJRNNvlyk8x8kpwN0o6vdw== X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Which driver a device is bound to is available twice: In struct pci_dev::dev->driver and in struct pci_dev::driver. To get rid of the duplication introduce a wrapper to access struct pci_dev's driver member. Once all users are converted the wrapper can be changed to calculate the driver using pci_dev::dev->driver. Signed-off-by: Uwe Kleine-König --- include/linux/pci.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/pci.h b/include/linux/pci.h index 540b377ca8f6..778f3b5e6f23 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -887,6 +887,7 @@ struct pci_driver { }; #define to_pci_driver(drv) container_of(drv, struct pci_driver, driver) +#define pci_driver_of_dev(pdev) ((pdev)->driver) /** * PCI_DEVICE - macro used to describe a specific PCI device