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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: Jason Cooper <jason@lakedaemon.net>
Cc: Stephen Warren <swarren@wwwdotorg.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	Lior Amsalem <alior@marvell.com>, Andrew Lunn <andrew@lunn.ch>,
	Russell King <linux@arm.linux.org.uk>,
	Maen Suleiman <maen@marvell.com>,
	linux-pci@vger.kernel.org, Rob Herring <rob.herring@calxeda.com>,
	Grant Likely <grant.likely@secretlab.ca>,
	Gregory Clement <gregory.clement@free-electrons.com>,
	Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv5 00/11] MSI support for Marvell EBU PCIe driver
Date: Tue, 16 Jul 2013 15:39:11 +0200	[thread overview]
Message-ID: <20130716153911.423cc408@skate> (raw)
In-Reply-To: <20130716131547.GC12062@titan.lakedaemon.net>

Dear Jason Cooper,

On Tue, 16 Jul 2013 09:15:47 -0400, Jason Cooper wrote:

> > A quick diagram of the dependencies, best viewed with a fixed-size font
> > mailer.
> > 
> > kernel/irq/irqdomain    drivers/pci        arch/arm/kernel
> >      patch 1           patch 2, 3, 4           patch 8
> >         ||                  ||                   ||
> >         ||                  \/                   \/
> >         ||               drivers/of   ==> drivers/pci/host
> >         ||                patch 5           patch 10
> >         ||                  ||
> >         \\__________________//
> >                   ||
> >                   \/
> >             drivers/irqchip
> >               patch 6, 7
> 
> Well, that got more complicated.  :(  No cookie for you.

Yeah, sorry about this. I'm not sure how to handle that differently.

> > Patches 9 and 11 are DT patches, so they are not mentioned in this
> > diagram.
> > 
> > Normally tegra would require 1, 2, 3, 4, 5 and 8, so ideally, with
> > the respective maintainers ACKs, Jason Cooper could take them in a
> > specific topic stable branch that would not be rebased, on top of which
> > both the Marvell work and Tegra work could be done.
> 
> After my recent discussions with tglx, here's my proposal:
> 
> - rmk creates a dedicated topic branch with patch 8
> 
> - Bjorn creates a dedicated topic branch based on rmk's with 2, 3, 4, 5,
>   and 10
> 
> - tglx creates a dedicated topic branch based on Bjorn's with 1, 6, 7

I am wondering if this merge strategy isn't too complicated to work
nicely. Would it be easier if one person took all of those patches in a
stable topic branch, with the ACKs from the proper maintainers?

But anyway, as long as things get merged, I don't really mind what
merge strategy is used, so I'll trust on what will be the best option
on this.

Thanks a lot for taking care of this!

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
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: [PATCHv5 00/11] MSI support for Marvell EBU PCIe driver
Date: Tue, 16 Jul 2013 15:39:11 +0200	[thread overview]
Message-ID: <20130716153911.423cc408@skate> (raw)
In-Reply-To: <20130716131547.GC12062@titan.lakedaemon.net>

Dear Jason Cooper,

On Tue, 16 Jul 2013 09:15:47 -0400, Jason Cooper wrote:

> > A quick diagram of the dependencies, best viewed with a fixed-size font
> > mailer.
> > 
> > kernel/irq/irqdomain    drivers/pci        arch/arm/kernel
> >      patch 1           patch 2, 3, 4           patch 8
> >         ||                  ||                   ||
> >         ||                  \/                   \/
> >         ||               drivers/of   ==> drivers/pci/host
> >         ||                patch 5           patch 10
> >         ||                  ||
> >         \\__________________//
> >                   ||
> >                   \/
> >             drivers/irqchip
> >               patch 6, 7
> 
> Well, that got more complicated.  :(  No cookie for you.

Yeah, sorry about this. I'm not sure how to handle that differently.

> > Patches 9 and 11 are DT patches, so they are not mentioned in this
> > diagram.
> > 
> > Normally tegra would require 1, 2, 3, 4, 5 and 8, so ideally, with
> > the respective maintainers ACKs, Jason Cooper could take them in a
> > specific topic stable branch that would not be rebased, on top of which
> > both the Marvell work and Tegra work could be done.
> 
> After my recent discussions with tglx, here's my proposal:
> 
> - rmk creates a dedicated topic branch with patch 8
> 
> - Bjorn creates a dedicated topic branch based on rmk's with 2, 3, 4, 5,
>   and 10
> 
> - tglx creates a dedicated topic branch based on Bjorn's with 1, 6, 7

I am wondering if this merge strategy isn't too complicated to work
nicely. Would it be easier if one person took all of those patches in a
stable topic branch, with the ACKs from the proper maintainers?

But anyway, as long as things get merged, I don't really mind what
merge strategy is used, so I'll trust on what will be the best option
on this.

Thanks a lot for taking care of this!

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

  reply	other threads:[~2013-07-16 13:39 UTC|newest]

Thread overview: 106+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-15 11:52 [PATCHv5 00/11] MSI support for Marvell EBU PCIe driver Thomas Petazzoni
2013-07-15 11:52 ` Thomas Petazzoni
2013-07-15 11:52 ` [PATCHv5 01/11] irqdomain: add irq_alloc_mapping() function Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-16  8:31   ` Thomas Petazzoni
2013-07-16  8:31     ` Thomas Petazzoni
2013-07-28  4:11   ` Grant Likely
2013-07-28  4:11     ` Grant Likely
2013-07-15 11:52 ` [PATCHv5 02/11] PCI: use weak functions for MSI arch-specific functions Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-25 18:37   ` Thierry Reding
2013-07-25 18:37     ` Thierry Reding
2013-07-25 18:37     ` Thierry Reding
2013-07-25 20:27   ` Bjorn Helgaas
2013-07-25 20:27     ` Bjorn Helgaas
2013-07-25 20:27     ` Bjorn Helgaas
2013-07-15 11:52 ` [PATCHv5 03/11] PCI: remove ARCH_SUPPORTS_MSI kconfig option Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52 ` [PATCHv5 04/11] PCI: Introduce new MSI chip infrastructure Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-25 18:40   ` Thierry Reding
2013-07-25 18:40     ` Thierry Reding
2013-07-25 20:26   ` Bjorn Helgaas
2013-07-25 20:26     ` Bjorn Helgaas
2013-07-15 11:52 ` [PATCHv5 05/11] of: pci: add registry of MSI chips Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 16:12   ` Rob Herring
2013-07-15 16:12     ` Rob Herring
2013-07-28  4:33     ` Grant Likely
2013-07-28  4:33       ` Grant Likely
2013-07-28 14:27       ` Thomas Petazzoni
2013-07-28 14:27         ` Thomas Petazzoni
2013-07-29  6:54         ` Thierry Reding
2013-07-29  6:54           ` Thierry Reding
2013-07-29 12:26           ` Thomas Petazzoni
2013-07-29 12:26             ` Thomas Petazzoni
2013-07-29 12:58             ` Thierry Reding
2013-07-29 12:58               ` Thierry Reding
2013-07-29 13:04               ` Thomas Petazzoni
2013-07-29 13:04                 ` Thomas Petazzoni
2013-08-01  9:17               ` Thomas Petazzoni
2013-08-01  9:17                 ` Thomas Petazzoni
2013-07-31 15:14             ` Thomas Petazzoni
2013-07-31 15:14               ` Thomas Petazzoni
2013-07-15 11:52 ` [PATCHv5 06/11] irqchip: armada-370-xp: properly request resources Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52 ` [PATCHv5 07/11] irqchip: armada-370-xp: implement MSI support Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52 ` [PATCHv5 08/11] ARM: pci: add ->add_bus() and ->remove_bus() hooks to hw_pci Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-16  8:29   ` Thomas Petazzoni
2013-07-16  8:29     ` Thomas Petazzoni
2013-07-25 16:53   ` Thierry Reding
2013-07-25 16:53     ` Thierry Reding
2013-08-07  9:13     ` Thomas Petazzoni
2013-08-07  9:13       ` Thomas Petazzoni
2013-08-07 13:37       ` Thierry Reding
2013-08-07 13:37         ` Thierry Reding
2013-08-07 15:06         ` Thomas Petazzoni
2013-08-07 15:06           ` Thomas Petazzoni
2013-07-25 16:57   ` Thierry Reding
2013-07-25 16:57     ` Thierry Reding
2013-07-26  8:13     ` Thomas Petazzoni
2013-07-26  8:13       ` Thomas Petazzoni
2013-07-26 11:49       ` Jason Cooper
2013-07-26 11:49         ` Jason Cooper
2013-07-26 22:46     ` Russell King - ARM Linux
2013-07-26 22:46       ` Russell King - ARM Linux
2013-07-29 12:31       ` Thierry Reding
2013-07-29 12:31         ` Thierry Reding
2013-07-15 11:52 ` [PATCHv5 09/11] ARM: mvebu: the MPIC now provides MSI controller features Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52 ` [PATCHv5 10/11] PCI: mvebu: add support for MSI Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 11:52 ` [PATCHv5 11/11] ARM: mvebu: link PCIe controllers to the MSI controller Thomas Petazzoni
2013-07-15 11:52   ` Thomas Petazzoni
2013-07-15 15:34 ` [PATCHv5 00/11] MSI support for Marvell EBU PCIe driver Stephen Warren
2013-07-15 15:34   ` Stephen Warren
2013-07-15 16:27   ` Thierry Reding
2013-07-15 16:27     ` Thierry Reding
2013-07-16  8:33     ` Thomas Petazzoni
2013-07-16  8:33       ` Thomas Petazzoni
2013-07-16 21:05       ` Thierry Reding
2013-07-16 21:05         ` Thierry Reding
2013-07-16 21:43         ` Thomas Petazzoni
2013-07-16 21:43           ` Thomas Petazzoni
2013-07-23  0:30           ` Bjorn Helgaas
2013-07-23  0:30             ` Bjorn Helgaas
2013-07-15 17:33   ` Jason Cooper
2013-07-15 17:33     ` Jason Cooper
2013-07-16  8:43   ` Thomas Petazzoni
2013-07-16  8:43     ` Thomas Petazzoni
2013-07-16 13:15     ` Jason Cooper
2013-07-16 13:15       ` Jason Cooper
2013-07-16 13:39       ` Thomas Petazzoni [this message]
2013-07-16 13:39         ` Thomas Petazzoni
2013-07-25 18:49         ` Thierry Reding
2013-07-25 18:49           ` Thierry Reding
2013-07-25 19:02           ` Jason Cooper
2013-07-25 19:02             ` Jason Cooper

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