linux-kernel - Re: [PATCH 07/20] PCI: implement Devres interface to map PCI config space

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAHp75VfdE6_W+DxhejorLxra2JQDGF3cG0uBedyOohhmcLiKLg@mail.gmail.com>
Date:   Thu, 2 Mar 2017 01:54:42 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Arnd Bergmann <arnd@...db.de>,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Russell King <linux@...linux.org.uk>,
        Pratyush Anand <pratyush.anand@...il.com>,
        Jingoo Han <jingoohan1@...il.com>,
        Mingkai Hu <mingkai.hu@...escale.com>,
        John Garry <john.garry@...wei.com>,
        Tanmay Inamdar <tinamdar@....com>,
        Murali Karicheri <m-karicheri2@...com>,
        Bharat Kumar Gogada <bharat.kumar.gogada@...inx.com>,
        Ray Jui <rjui@...adcom.com>,
        Wenrui Li <wenrui.li@...k-chips.com>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Minghuan Lian <minghuan.Lian@...escale.com>,
        Jon Mason <jonmason@...adcom.com>,
        Gabriele Paoloni <gabriele.paoloni@...wei.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Michal Simek <michal.simek@...inx.com>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Zhou Wang <wangzhou1@...ilicon.com>,
        Roy Zang <tie-fei.zang@...escale.com>
Subject: Re: [PATCH 07/20] PCI: implement Devres interface to map PCI config space

On Mon, Feb 27, 2017 at 5:14 PM, Lorenzo Pieralisi
<lorenzo.pieralisi@....com> wrote:
> The introduction of the pci_remap_cfgspace() interface allows
> PCI host controller drivers to map PCI config space through a
> dedicated kernel interface. Current PCI host controller drivers
> use the devm_ioremap_* Devres interfaces to map PCI configuration
> space regions so in order to update them to the new
> pci_remap_cfgspace() mapping interface a new set of Devres interfaces
> should be implemented so that PCI host controller drivers can make
> use of them.
>
> Introduce two new functions in the PCI kernel layer and Devres
> documentation:
>
> - devm_pci_remap_cfgspace()
> - devm_pci_remap_cfg_resource()
>
> so that PCI host controller drivers can make use of them to map
> PCI configuration space regions.

Wouldn't you like to be consistent with current PCI API, i.e.:
1. devm_*() functions called pcim_*() in PCI.
2. If you may notice there is no separate pcim_*map*() stuff, they are
dynamically adapting to the case.

?

-- 
With Best Regards,
Andy Shevchenko