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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: "Bjorn Helgaas" <bhelgaas@google.com>,
	linux-pci@vger.kernel.org, "Jason Cooper" <jason@lakedaemon.net>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Sebastian Hesselbarth" <sebastian.hesselbarth@gmail.com>,
	"Gregory Clement" <gregory.clement@free-electrons.com>,
	"Nadav Haklai" <nadavh@marvell.com>,
	"Hanna Hawa" <hannah@marvell.com>,
	"Yehuda Yitschak" <yehuday@marvell.com>,
	linux-arm-kernel@lists.infradead.org,
	"Antoine Tenart" <antoine.tenart@free-electrons.com>,
	"Miquèl Raynal" <miquel.raynal@free-electrons.com>,
	"Victor Gu" <xigu@marvell.com>
Subject: Re: [PATCH v2 3/7] PCI: aardvark: set host and device to the same MAX payload size
Date: Tue, 9 Jan 2018 16:39:18 +0100	[thread overview]
Message-ID: <20180109163918.5e46c1a1@windsurf.lan> (raw)
In-Reply-To: <20171005173102.GR25517@bhelgaas-glaptop.roam.corp.google.com>

Hello Bjorn,

On Thu, 5 Oct 2017 12:31:02 -0500, Bjorn Helgaas wrote:
> On Thu, Sep 28, 2017 at 02:58:34PM +0200, Thomas Petazzoni wrote:
> > From: Victor Gu <xigu@marvell.com>
> > 
> > Since the Aardvark does not implement a PCIe root bus,   
> 
> What exactly do you mean by "does not implement a PCIe root bus"?  I
> assume there is still a hierarchy of PCI buses, and I assume the
> hierarchy has a top-most ("root") bus.
> 
> Maybe there's no Root Port?  There are other systems that don't have
> Root Ports, and we've made changes to accommodate that, e.g.,
> 
> http://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/commit/?id=1b8a6079015f

I'm trying to get back (finally) to this topic. Unfortunately, your
branch has been rebased, and this commit no longer exists. Do you have
an updated pointer about what you suggest to use for systems that don't
have Root Ports ?

Thanks!

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

WARNING: multiple messages have this Message-ID (diff)
From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/7] PCI: aardvark: set host and device to the same MAX payload size
Date: Tue, 9 Jan 2018 16:39:18 +0100	[thread overview]
Message-ID: <20180109163918.5e46c1a1@windsurf.lan> (raw)
In-Reply-To: <20171005173102.GR25517@bhelgaas-glaptop.roam.corp.google.com>

Hello Bjorn,

On Thu, 5 Oct 2017 12:31:02 -0500, Bjorn Helgaas wrote:
> On Thu, Sep 28, 2017 at 02:58:34PM +0200, Thomas Petazzoni wrote:
> > From: Victor Gu <xigu@marvell.com>
> > 
> > Since the Aardvark does not implement a PCIe root bus,   
> 
> What exactly do you mean by "does not implement a PCIe root bus"?  I
> assume there is still a hierarchy of PCI buses, and I assume the
> hierarchy has a top-most ("root") bus.
> 
> Maybe there's no Root Port?  There are other systems that don't have
> Root Ports, and we've made changes to accommodate that, e.g.,
> 
> http://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/commit/?id=1b8a6079015f

I'm trying to get back (finally) to this topic. Unfortunately, your
branch has been rebased, and this commit no longer exists. Do you have
an updated pointer about what you suggest to use for systems that don't
have Root Ports ?

Thanks!

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

  reply	other threads:[~2018-01-09 15:39 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-28 12:58 [PATCH v2 0/7] PCI: aardvark: improve compatibility with PCI devices Thomas Petazzoni
2017-09-28 12:58 ` Thomas Petazzoni
2017-09-28 12:58 ` [PATCH v2 1/7] PCI: aardvark: fix logic in PCI configuration read/write functions Thomas Petazzoni
2017-09-28 12:58   ` Thomas Petazzoni
2017-09-28 12:58   ` Thomas Petazzoni
2017-10-05 17:23   ` Bjorn Helgaas
2017-10-05 17:23     ` Bjorn Helgaas
2017-10-05 17:23     ` Bjorn Helgaas
2018-01-09 16:49     ` Thomas Petazzoni
2018-01-09 16:49       ` Thomas Petazzoni
2018-01-10  1:11       ` Bjorn Helgaas
2018-01-10  1:11         ` Bjorn Helgaas
2018-01-10  1:11         ` Bjorn Helgaas
2017-10-09  7:59   ` Mason
2017-09-28 12:58 ` [PATCH v2 2/7] PCI: aardvark: set PIO_ADDR_LS correctly in advk_pcie_rd_conf() Thomas Petazzoni
2017-09-28 12:58   ` Thomas Petazzoni
2017-09-28 12:58   ` Thomas Petazzoni
2017-10-05 17:25   ` Bjorn Helgaas
2017-10-05 17:25     ` Bjorn Helgaas
2018-01-09 16:10     ` Thomas Petazzoni
2018-01-09 16:10       ` Thomas Petazzoni
2017-09-28 12:58 ` [PATCH v2 3/7] PCI: aardvark: set host and device to the same MAX payload size Thomas Petazzoni
2017-09-28 12:58   ` Thomas Petazzoni
2017-10-05 17:31   ` Bjorn Helgaas
2017-10-05 17:31     ` Bjorn Helgaas
2018-01-09 15:39     ` Thomas Petazzoni [this message]
2018-01-09 15:39       ` Thomas Petazzoni
2018-01-09 22:14       ` Bjorn Helgaas
2018-01-09 22:14         ` Bjorn Helgaas
2018-01-12 10:14         ` Thomas Petazzoni
2018-01-12 10:14           ` Thomas Petazzoni
2018-01-12 14:40           ` Bjorn Helgaas
2018-01-12 14:40             ` Bjorn Helgaas
2018-01-12 15:46             ` Thomas Petazzoni
2018-01-12 15:46               ` Thomas Petazzoni
2018-01-12 19:39               ` Bjorn Helgaas
2018-01-12 19:39                 ` Bjorn Helgaas
2017-09-28 12:58 ` [PATCH v2 4/7] PCI: aardvark: use isr1 instead of isr0 interrupt in legacy irq mode Thomas Petazzoni
2017-09-28 12:58   ` Thomas Petazzoni
2017-09-28 12:58 ` [PATCH v2 5/7] PCI: aardvark: disable LOS state by default Thomas Petazzoni
2017-09-28 12:58   ` Thomas Petazzoni
2017-10-05 17:46   ` Bjorn Helgaas
2017-10-05 17:46     ` Bjorn Helgaas
2017-10-09  6:54     ` Thomas Petazzoni
2017-10-09  6:54       ` Thomas Petazzoni
2017-09-28 12:58 ` [PATCH v2 6/7] PCI: aardvark: fix PCIe max read request size setting Thomas Petazzoni
2017-09-28 12:58   ` Thomas Petazzoni
2017-09-28 12:58 ` [PATCH v2 7/7] PCI: aardvark: define IRQ related hooks in pci_host_bridge Thomas Petazzoni
2017-09-28 12:58   ` Thomas Petazzoni
2017-10-05 17:55   ` Bjorn Helgaas
2017-10-05 17:55     ` Bjorn Helgaas
2017-10-05 17:55     ` Bjorn Helgaas
2017-10-05 19:25     ` Thomas Petazzoni
2017-10-05 19:25       ` Thomas Petazzoni
2017-10-05 15:53 ` [PATCH v2 0/7] PCI: aardvark: improve compatibility with PCI devices Thomas Petazzoni
2017-10-05 15:53   ` Thomas Petazzoni
2017-10-05 18:16   ` Bjorn Helgaas
2017-10-05 18:16     ` Bjorn Helgaas
2017-10-05 19:35     ` Thomas Petazzoni
2017-10-05 19:35       ` Thomas Petazzoni
2017-10-06  8:47     ` Lorenzo Pieralisi
2017-10-06  8:47       ` Lorenzo Pieralisi

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