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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	Gerlando Falauto <gerlando.falauto@keymile.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Andrew Lunn <andrew@lunn.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Jason Cooper <jason@lakedaemon.net>,
	"Longchamp, Valentin" <Valentin.Longchamp@keymile.com>,
	Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
	Lior Amsalem <alior@marvell.com>,
	Gavin Shan <shangw@linux.vnet.ibm.com>
Subject: Re: pci-mvebu driver on km_kirkwood
Date: Sat, 22 Feb 2014 06:53:23 +1100	[thread overview]
Message-ID: <1393012403.6771.89.camel@pasglop> (raw)
In-Reply-To: <CAErSpo5c=iMHM_uATxsiUthaHtt-UvX6ySQx2pVgfJT4ABuWGQ@mail.gmail.com>

On Fri, 2014-02-21 at 12:05 -0700, Bjorn Helgaas wrote:
> But I wonder if powerpc has a similar issue here: I think EEH might
> need, for example 16MB bridge window alignment.  Since
> pcibios_window_alignment() only affects the *starting* address, could
> the core assign a 9MB window whose starting address is 16MB-aligned?
> Could EEH deal with that?  What if the PCI core assigned the space
> right after the 9MB window to another device?

Gavin, did you guys deal with that at all ? Are we aligning the size as
well somewhat ?

Cheers,
Ben.



      parent reply	other threads:[~2014-02-21 19:56 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <51DD88A4.1030506@keymile.com>
     [not found] ` <20130710185706.72b124a4@skate>
     [not found]   ` <51DD9A8C.10608@keymile.com>
     [not found]     ` <20130711163220.2b3adf38@skate>
     [not found]       ` <53039894.10905@keymile.com>
     [not found]         ` <20140218212751.07c2aeb5@skate>
     [not found]           ` <53046D98.6020801@keymile.com>
     [not found]             ` <20140219102658.76eec91e@skate>
     [not found]               ` <53047BBB.6040108@keymile.com>
2014-02-19 13:37                 ` pci-mvebu driver on km_kirkwood Thomas Petazzoni
2014-02-19 21:45                   ` Bjorn Helgaas
2014-02-20  8:55                     ` Thomas Petazzoni
2014-02-20 17:35                       ` Jason Gunthorpe
2014-02-20 20:29                         ` Thomas Petazzoni
2014-02-21  0:32                           ` Jason Gunthorpe
2014-02-21  8:34                             ` Thomas Petazzoni
2014-02-21  8:58                               ` Gerlando Falauto
2014-02-21  9:12                                 ` Thomas Petazzoni
2014-02-21  9:16                                   ` Gerlando Falauto
2014-02-21  9:39                                     ` Thomas Petazzoni
2014-02-21 12:24                                       ` Gerlando Falauto
2014-02-21 13:47                                         ` Thomas Petazzoni
2014-02-21 15:05                                           ` Arnd Bergmann
2014-02-21 15:11                                             ` Thomas Petazzoni
2014-02-21 15:20                                               ` Arnd Bergmann
2014-02-21 15:37                                                 ` Thomas Petazzoni
2014-02-21 16:39                                           ` Jason Gunthorpe
2014-02-21 17:05                                             ` Thomas Petazzoni
2014-02-21 17:31                                               ` Jason Gunthorpe
2014-02-21 18:05                                                 ` Arnd Bergmann
2014-02-21 18:29                                                   ` Gerlando Falauto
2014-02-21 18:18                                           ` Gerlando Falauto
2014-02-21 18:45                                             ` Thomas Petazzoni
2014-02-20 19:18                       ` Bjorn Helgaas
2014-02-21  0:24                         ` Jason Gunthorpe
2014-02-21 19:05                           ` Bjorn Helgaas
2014-02-21 19:21                             ` Thomas Petazzoni
2014-02-21 19:53                             ` Benjamin Herrenschmidt [this message]

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