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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9559BC6FD1D for ; Tue, 4 Apr 2023 16:11:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235938AbjDDQLH (ORCPT ); Tue, 4 Apr 2023 12:11:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235913AbjDDQLF (ORCPT ); Tue, 4 Apr 2023 12:11:05 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B04A30F7; Tue, 4 Apr 2023 09:11:04 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id AA155636AE; Tue, 4 Apr 2023 16:11:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C854CC433D2; Tue, 4 Apr 2023 16:11:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1680624663; bh=eKiqHkoBVo1AQRx10HafTawauui+/7aWix/7MTRPGrA=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=nkcQpc5NRHDKcALdEO/kD1vJ7JRnALrRH75LPh2TDOMavdcMgvCuVznC7x8x+ecKt 1/q7prAN9eClvaAU3c0+dUWFvcRO66V04KGg+gYkb+YrMhjTw0ASpXENR+YKBHmeia 3Q5pvbnqrK/uCSEeFKclNxI3vwOX0dUud1/pCQiZ36qwD28S6odWh3QMAvbBbgMd/s C/Qhj0iZpFO3X/jYT9y3J5qKvtPSjj/GrdFNEZo1J9pLwcjwlot2Tv6qfpoajNxUA+ o+rmP5HeMIpXk0J+ytkWwcX3yLOfhBvsgasfRd7/C7/NUehmnMEdxtOqmb8yLnHceu ZoK1FHXZYisVQ== Date: Tue, 4 Apr 2023 11:11:01 -0500 From: Bjorn Helgaas To: Andy Shevchenko Cc: =?iso-8859-1?Q?Micka=EBl_Sala=FCn?= , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Mika Westerberg , Michael Ellerman , Randy Dunlap , Arnd Bergmann , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , Niklas Schnelle , "Rafael J. Wysocki" , Pali =?iso-8859-1?Q?Roh=E1r?= , "Maciej W. Rozycki" , Juergen Gross , Dominik Brodowski , linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org, linux-acpi@vger.kernel.org, Miguel Ojeda , Richard Henderson , Ivan Kokshaysky , Matt Turner , Russell King , Andrew Lunn , Sebastian Hesselbarth , Gregory Clement , Thomas Bogendoerfer , Nicholas Piggin , Christophe Leroy , Anatolij Gustschin , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Bjorn Helgaas , Stefano Stabellini , Oleksandr Tyshchenko Subject: Re: [PATCH v8 0/7] Add pci_dev_for_each_resource() helper and update users Message-ID: <20230404161101.GA3554747@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230330162434.35055-1-andriy.shevchenko@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On Thu, Mar 30, 2023 at 07:24:27PM +0300, Andy Shevchenko wrote: > Provide two new helper macros to iterate over PCI device resources and > convert users. > > Looking at it, refactor existing pci_bus_for_each_resource() and convert > users accordingly. > > Note, the amount of lines grew due to the documentation update. > > Changelog v8: > - fixed issue with pci_bus_for_each_resource() macro (LKP) > - due to above added a new patch to document how it works > - moved the last patch to be #2 (Philippe) > - added tags (Philippe) > > Changelog v7: > - made both macros to share same name (Bjorn) I didn't actually request the same name for both; I would have had no idea how to even do that :) v6 had: pci_dev_for_each_resource_p(dev, res) pci_dev_for_each_resource(dev, res, i) and I suggested: pci_dev_for_each_resource(dev, res) pci_dev_for_each_resource_idx(dev, res, i) because that pattern is used elsewhere. But you figured out how to do it, and having one name is even better, so thanks for that extra work! > - split out the pci_resource_n() conversion (Bjorn) > > Changelog v6: > - dropped unused variable in PPC code (LKP) > > Changelog v5: > - renamed loop variable to minimize the clash (Keith) > - addressed smatch warning (Dan) > - addressed 0-day bot findings (LKP) > > Changelog v4: > - rebased on top of v6.3-rc1 > - added tag (Krzysztof) > > Changelog v3: > - rebased on top of v2 by Mika, see above > - added tag to pcmcia patch (Dominik) > > Changelog v2: > - refactor to have two macros > - refactor existing pci_bus_for_each_resource() in the same way and > convert users > > Andy Shevchenko (6): > kernel.h: Split out COUNT_ARGS() and CONCATENATE() > PCI: Introduce pci_resource_n() > PCI: Document pci_bus_for_each_resource() to avoid confusion > PCI: Allow pci_bus_for_each_resource() to take less arguments > EISA: Convert to use less arguments in pci_bus_for_each_resource() > pcmcia: Convert to use less arguments in pci_bus_for_each_resource() > > Mika Westerberg (1): > PCI: Introduce pci_dev_for_each_resource() > > .clang-format | 1 + > arch/alpha/kernel/pci.c | 5 +- > arch/arm/kernel/bios32.c | 16 +++-- > arch/arm/mach-dove/pcie.c | 10 ++-- > arch/arm/mach-mv78xx0/pcie.c | 10 ++-- > arch/arm/mach-orion5x/pci.c | 10 ++-- > arch/mips/pci/ops-bcm63xx.c | 8 +-- > arch/mips/pci/pci-legacy.c | 3 +- > arch/powerpc/kernel/pci-common.c | 21 +++---- > arch/powerpc/platforms/4xx/pci.c | 8 +-- > arch/powerpc/platforms/52xx/mpc52xx_pci.c | 5 +- > arch/powerpc/platforms/pseries/pci.c | 16 ++--- > arch/sh/drivers/pci/pcie-sh7786.c | 10 ++-- > arch/sparc/kernel/leon_pci.c | 5 +- > arch/sparc/kernel/pci.c | 10 ++-- > arch/sparc/kernel/pcic.c | 5 +- > drivers/eisa/pci_eisa.c | 4 +- > drivers/pci/bus.c | 7 +-- > drivers/pci/hotplug/shpchp_sysfs.c | 8 +-- > drivers/pci/pci.c | 3 +- > drivers/pci/probe.c | 2 +- > drivers/pci/remove.c | 5 +- > drivers/pci/setup-bus.c | 37 +++++------- > drivers/pci/setup-res.c | 4 +- > drivers/pci/vgaarb.c | 17 ++---- > drivers/pci/xen-pcifront.c | 4 +- > drivers/pcmcia/rsrc_nonstatic.c | 9 +-- > drivers/pcmcia/yenta_socket.c | 3 +- > drivers/pnp/quirks.c | 29 ++++----- > include/linux/args.h | 13 ++++ > include/linux/kernel.h | 8 +-- > include/linux/pci.h | 72 +++++++++++++++++++---- > 32 files changed, 190 insertions(+), 178 deletions(-) > create mode 100644 include/linux/args.h Applied 2-7 to pci/resource for v6.4, thanks, I really like this! I omitted [1/7] kernel.h: Split out COUNT_ARGS() and CONCATENATE()" only because it's not essential to this series and has only a trivial one-line impact on include/linux/pci.h. Bjorn