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From: Tejun Heo <tj@kernel.org>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Wenrui Li <wenrui.li@rock-chips.com>,
	Gabriele Paoloni <gabriele.paoloni@huawei.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	Shawn Lin <shawn.lin@rock-chips.com>,
	Will Deacon <will.deacon@arm.com>,
	Michal Simek <michal.simek@xilinx.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	Tanmay Inamdar <tinamdar@apm.com>,
	Linux-Arch <linux-arch@vger.kernel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Pratyush Anand <pratyush.anand@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	Jon Mason <jonmason@broadcom.com>,
	Murali Karicheri <m-karicheri2@ti.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>,
	Ray Jui <rjui@broadcom.com>, John Garry <john.garry@huawei.com>,
	Joao Pinto <Joao.Pinto@synopsys.com>,
	Bjorn Helgaas <bhelgaas@google.com>M
Subject: Re: [PATCH 07/20] PCI: implement Devres interface to map PCI config space
Date: Thu, 2 Mar 2017 14:24:06 -0500	[thread overview]
Message-ID: <20170302192406.GA8519@wtj.duckdns.org> (raw)
In-Reply-To: <CAHp75VfoZTr5L3z5_SXW58W2Ate5nCWSzP8hAA051fVwizSjag@mail.gmail.com>

Hello,

On Thu, Mar 02, 2017 at 02:50:00PM +0200, Andy Shevchenko wrote:
> > I thought about that and did not do it because here we are remapping
> > resources that are _not_ PCI bus resources (ie it is not PCI BARs we
> > are remapping), keeping the devm_* prefix would be more consistent
> > to the typical device drivers remapping functions pattern (ie a
> > typical PCI host controller driver would mix devm_ and pcim_ calls
> > which is a bit hard to parse), that was my rationale.
> >
> > I am not too fussed about that either way, I am happy to update it to
> > pcim_* though, it is Bjorn/Arnd's decision.
> 
> I would vote for pcim_*() variant.

Me too, for brevity.

> >> 2. If you may notice there is no separate pcim_*map*() stuff, they are
> >> dynamically adapting to the case.
> >
> > I do not understand what you mean here I would ask you to elaborate
> > a bit more please so that I can do something about it.
> 
> Oh, sorry, there are two examples currently, i.e.
> pci_enable_msi()/pci_enable_msix() and pci_request_region*() which has
> no "m" in the name, but are managed on release by pcim_release().
> Some developers consider this as a bad idea, but so far no patch has
> been sent to introduce pcim_*() variants of those.
>
> So, regarding to your stuff, I would stick with "pcim" prefix.

Sounds good to me.

Thanks.

-- 
tejun

WARNING: multiple messages have this Message-ID (diff)
From: Tejun Heo <tj@kernel.org>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Linux-Arch <linux-arch@vger.kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Arnd Bergmann <arnd@arndb.de>, Will Deacon <will.deacon@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Russell King <linux@armlinux.org.uk>,
	Pratyush Anand <pratyush.anand@gmail.com>,
	Jingoo Han <jingoohan1@gmail.com>,
	Mingkai Hu <mingkai.hu@freescale.com>,
	John Garry <john.garry@huawei.com>,
	Tanmay Inamdar <tinamdar@apm.com>,
	Murali Karicheri <m-karicheri2@ti.com>,
	Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>,
	Ray Jui <rjui@broadcom.com>, Wenrui Li <wenrui.li@rock-chips.com>,
	Shawn Lin <shawn.lin@rock-chips.com>,
	Minghuan Lian <minghuan.Lian@freescale.com>,
	Jon Mason <jonmason@broadcom.com>,
	Gabriele Paoloni <gabriele.paoloni@huawei.com>,
	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	Joao Pinto <Joao.Pinto@synopsys.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	Michal Simek <michal.simek@xilinx.com>,
	Stanimir Varbanov <svarbanov@mm-sol.com>,
	Zhou Wang <wangzhou1@hisilicon.com>,
	Roy Zang <tie-fei.zang@freescale.com>
Subject: Re: [PATCH 07/20] PCI: implement Devres interface to map PCI config space
Date: Thu, 2 Mar 2017 14:24:06 -0500	[thread overview]
Message-ID: <20170302192406.GA8519@wtj.duckdns.org> (raw)
Message-ID: <20170302192406.8FVa6275Ch6WGTktBwfORu0u8fhX3-5brVjHIloGOv0@z> (raw)
In-Reply-To: <CAHp75VfoZTr5L3z5_SXW58W2Ate5nCWSzP8hAA051fVwizSjag@mail.gmail.com>

Hello,

On Thu, Mar 02, 2017 at 02:50:00PM +0200, Andy Shevchenko wrote:
> > I thought about that and did not do it because here we are remapping
> > resources that are _not_ PCI bus resources (ie it is not PCI BARs we
> > are remapping), keeping the devm_* prefix would be more consistent
> > to the typical device drivers remapping functions pattern (ie a
> > typical PCI host controller driver would mix devm_ and pcim_ calls
> > which is a bit hard to parse), that was my rationale.
> >
> > I am not too fussed about that either way, I am happy to update it to
> > pcim_* though, it is Bjorn/Arnd's decision.
> 
> I would vote for pcim_*() variant.

Me too, for brevity.

> >> 2. If you may notice there is no separate pcim_*map*() stuff, they are
> >> dynamically adapting to the case.
> >
> > I do not understand what you mean here I would ask you to elaborate
> > a bit more please so that I can do something about it.
> 
> Oh, sorry, there are two examples currently, i.e.
> pci_enable_msi()/pci_enable_msix() and pci_request_region*() which has
> no "m" in the name, but are managed on release by pcim_release().
> Some developers consider this as a bad idea, but so far no patch has
> been sent to introduce pcim_*() variants of those.
>
> So, regarding to your stuff, I would stick with "pcim" prefix.

Sounds good to me.

Thanks.

-- 
tejun

  parent reply	other threads:[~2017-03-02 19:24 UTC|newest]

Thread overview: 109+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-27 15:14 [PATCH 00/20] PCI: fix config and I/O Address space memory mappings Lorenzo Pieralisi
2017-02-27 15:14 ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 01/20] PCI: remove __weak tag from pci_remap_iospace() Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-03-01 16:15   ` Arnd Bergmann
2017-03-01 16:15     ` Arnd Bergmann
2017-02-27 15:14 ` [PATCH 02/20] PCI: fix pci_remap_iospace() remap attribute Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-03-16 21:48   ` Bjorn Helgaas
2017-03-16 21:48     ` Bjorn Helgaas
2017-03-17  0:33     ` Luis R. Rodriguez
2017-03-17  0:33       ` Luis R. Rodriguez
2017-03-17 10:43       ` Liviu Dudau
2017-03-17 10:43         ` Liviu Dudau
2017-03-17 16:26         ` Luis R. Rodriguez
2017-03-17 16:26           ` Luis R. Rodriguez
2017-03-20 16:19           ` Lorenzo Pieralisi
2017-03-20 16:19             ` Lorenzo Pieralisi
2017-03-20 16:06       ` Bjorn Helgaas
2017-03-20 16:06         ` Bjorn Helgaas
2017-03-20 16:26         ` Lorenzo Pieralisi
2017-03-20 16:26           ` Lorenzo Pieralisi
2017-03-20 16:38           ` Bjorn Helgaas
2017-03-20 16:38             ` Bjorn Helgaas
2017-02-27 15:14 ` [PATCH 03/20] asm-generic/io.h: add PCI config space remap interface Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-03-16 21:12   ` Bjorn Helgaas
2017-03-16 21:12     ` Bjorn Helgaas
2017-03-17  0:08     ` Luis R. Rodriguez
2017-03-17  0:08       ` Luis R. Rodriguez
2017-03-20 10:22       ` John Garry
2017-03-20 10:22         ` John Garry
2017-03-20 16:27       ` Bjorn Helgaas
2017-03-20 16:27         ` Bjorn Helgaas
2017-03-20 18:45     ` Lorenzo Pieralisi
2017-03-20 18:45       ` Lorenzo Pieralisi
2017-03-22 15:04     ` Lorenzo Pieralisi
2017-03-22 15:04       ` Lorenzo Pieralisi
2017-03-22 15:15       ` Arnd Bergmann
2017-03-22 15:15         ` Arnd Bergmann
2017-03-22 16:29       ` Bjorn Helgaas
2017-03-22 16:29         ` Bjorn Helgaas
2017-02-27 15:14 ` [PATCH 04/20] ARM64: implement pci_remap_cfgspace() interface Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 05/20] ARM: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-03-20 16:43   ` Russell King - ARM Linux
2017-03-20 16:43     ` Russell King - ARM Linux
2017-03-21 15:26     ` Lorenzo Pieralisi
2017-03-21 15:26       ` Lorenzo Pieralisi
2017-03-21 16:53       ` Russell King - ARM Linux
2017-03-21 16:53         ` Russell King - ARM Linux
2017-02-27 15:14 ` [PATCH 06/20] PCI: ECAM: use pci_remap_cfgspace() to map config region Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 07/20] PCI: implement Devres interface to map PCI config space Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-28 10:43   ` Lorenzo Pieralisi
2017-02-28 10:43     ` Lorenzo Pieralisi
2017-03-01 23:54   ` Andy Shevchenko
2017-03-01 23:54     ` Andy Shevchenko
2017-03-02 12:05     ` Lorenzo Pieralisi
2017-03-02 12:05       ` Lorenzo Pieralisi
2017-03-02 12:50       ` Andy Shevchenko
2017-03-02 12:50         ` Andy Shevchenko
2017-03-02 19:24         ` Tejun Heo [this message]
2017-03-02 19:24           ` Tejun Heo
2017-03-02 20:08           ` Thierry Reding
2017-03-02 20:08             ` Thierry Reding
2017-02-27 15:14 ` [PATCH 08/20] PCI: xilinx: update PCI config space remap function Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 09/20] PCI: xilinx-nwl: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 10/20] PCI: spear13xx: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 11/20] PCI: rockchip: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 12/20] PCI: qcom: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 13/20] PCI: iproc-platform: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 21:21   ` Ray Jui
2017-02-27 21:21     ` Ray Jui
2017-02-28 10:54     ` Lorenzo Pieralisi
2017-02-28 10:54       ` Lorenzo Pieralisi
2017-02-28 17:42       ` Ray Jui
2017-02-28 17:42         ` Ray Jui
2017-02-27 15:14 ` [PATCH 14/20] PCI: hisi: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-03-02 10:56   ` Gabriele Paoloni
2017-03-02 10:56     ` Gabriele Paoloni
2017-03-02 11:49     ` Lorenzo Pieralisi
2017-03-02 11:49       ` Lorenzo Pieralisi
2017-03-02 11:53       ` Gabriele Paoloni
2017-03-02 11:53         ` Gabriele Paoloni
2017-02-27 15:14 ` [PATCH 15/20] PCI: designware: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 16/20] PCI: armada8k: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 17/20] PCI: xgene: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 18/20] PCI: tegra: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 19/20] PCI: layerscape: " Lorenzo Pieralisi
2017-02-27 15:14 ` [PATCH 20/20] PCI: keystone-dw: " Lorenzo Pieralisi
2017-02-27 15:14   ` Lorenzo Pieralisi
2017-03-01 16:18 ` [PATCH 00/20] PCI: fix config and I/O Address space memory mappings Arnd Bergmann
2017-03-01 16:18   ` Arnd Bergmann
2017-03-02 18:00   ` Lorenzo Pieralisi
2017-03-02 18:00     ` Lorenzo Pieralisi

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