From: Arnd Bergmann <arnd@arndb.de> To: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>, Bjorn Helgaas <bhelgaas@google.com>, Lior Amsalem <alior@marvell.com>, Andrew Lunn <andrew@lunn.ch>, "Russell King - ARM Linux" <linux@arm.linux.org.uk>, Jason Cooper <jason@lakedaemon.net>, Stephen Warren <swarren@wwwdotorg.org>, linux-pci@vger.kernel.org, Thierry Reding <thierry.reding@avionic-design.de>, "Eran Ben-Avi" <benavi@marvell.com>, Nadav Haklai <nadavh@marvell.com>, Maen Suleiman <maen@marvell.com>, Shadi Ammouri <shadi@marvell.com>, Gregory Clement <gregory.clement@free-electrons.com>, Tawfik Bayouk <tawfik@marvell.com>, linux-arm-kernel@lists.infradead.org Subject: Re: Giving special alignment/size constraints to the Linux PCI core? Date: Wed, 13 Feb 2013 21:10:54 +0000 [thread overview] Message-ID: <201302132110.55087.arnd@arndb.de> (raw) In-Reply-To: <20130213191204.GA15710@obsidianresearch.com> On Wednesday 13 February 2013, Jason Gunthorpe wrote: > On Wed, Feb 13, 2013 at 06:53:14PM +0000, Arnd Bergmann wrote: > > > > The standard answer is to leave appropriate gaps. My *guess* on this > > > matter is that on x86 the gaps are left, as appropriate, by the boot > > > firmware. Eg an ExpressCard slot will always have a window assigned to > > > its bridge and Linux would typically not reassign it (or similar). > > > > > > PCI core support for firmware-less embedded will someday need to do > > > something similar, eg via a special DT attribute on hot plug capable > > > ports. > > > > I saw that the PCI core reserves 2MB memory space and 256 bytes of > > I/O space per hotplug capable bridge by default, and you can > > override > > Haven't looked at how it determines what is hot plug > capable.. Technically every PCI-E port is hot plug capable, it really > depends on the specific board if a port can actually be hot plugged or > not - so maybe that is what gets set in DT? The "is_hotplug_bridge" flag that determines this gets set for PCIe bridges with the PCI_EXP_SLTCAP_HPC (hot plug capable) bit set in the PCI_EXP_SLTCAP word. > > these at boot time if you need more. I wonder if this means that > > we end up using two of the precious address space windows for each > > unused root port to already map these at boot time, and it certainly > > works for most adapters, but this does not seem better than assigning > > static windows of the same size at boot time for each port. > > If the PCI core programs the decoder on the bridge, then it will > consume a window - however if there is nothing behind the bridge then > leaving the brdige window disabled, but reserving the memory region is > a sensible thing to do. > > I'm not sure what the state of the PCI core is today on this point, > but it could be altered.. The problem I see with the current implementation is that it reserves a fixed size window and does not reassign the window of the bridge itself, only the devices below it, at least if I am reading the code correctly. I have not tried this myself. > Also the host driver can check the link status before consuming a > window, no link = no window. Right, that works. Even if the link is up, it might require only I/O or memory windows, rather than always using both. > > > Just to circle back on this whole thread - Thomas's solution is pretty > > > good, it covers pretty much all the use cases. I think it is a good > > > place to start, and as the firmware-less 'drivers/pci/host' concept > > > develops the right support will eventually come, as everyone is now > > > aware of the need to control the host bridge aperture from the core > > > PCI code. > > > > I agree the solution is not all that bad, I just want to be convinced > > that it actually has advantages over the simpler approaches. > > Unfortunatelly my Marvell systems do not have oversubscribed mbus > windows, so I can't really comment on this :( However I do use the > hotplug capability in the current driver, so at least for me, it is > important to not loose that when trying to solve the oversubcription. One thing worth trying is probably to hack the driver to only use a couple of the available windows and see what happens when you hotplug one card into all the slots one at a time. Arnd
WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann) To: linux-arm-kernel@lists.infradead.org Subject: Giving special alignment/size constraints to the Linux PCI core? Date: Wed, 13 Feb 2013 21:10:54 +0000 [thread overview] Message-ID: <201302132110.55087.arnd@arndb.de> (raw) In-Reply-To: <20130213191204.GA15710@obsidianresearch.com> On Wednesday 13 February 2013, Jason Gunthorpe wrote: > On Wed, Feb 13, 2013 at 06:53:14PM +0000, Arnd Bergmann wrote: > > > > The standard answer is to leave appropriate gaps. My *guess* on this > > > matter is that on x86 the gaps are left, as appropriate, by the boot > > > firmware. Eg an ExpressCard slot will always have a window assigned to > > > its bridge and Linux would typically not reassign it (or similar). > > > > > > PCI core support for firmware-less embedded will someday need to do > > > something similar, eg via a special DT attribute on hot plug capable > > > ports. > > > > I saw that the PCI core reserves 2MB memory space and 256 bytes of > > I/O space per hotplug capable bridge by default, and you can > > override > > Haven't looked at how it determines what is hot plug > capable.. Technically every PCI-E port is hot plug capable, it really > depends on the specific board if a port can actually be hot plugged or > not - so maybe that is what gets set in DT? The "is_hotplug_bridge" flag that determines this gets set for PCIe bridges with the PCI_EXP_SLTCAP_HPC (hot plug capable) bit set in the PCI_EXP_SLTCAP word. > > these at boot time if you need more. I wonder if this means that > > we end up using two of the precious address space windows for each > > unused root port to already map these at boot time, and it certainly > > works for most adapters, but this does not seem better than assigning > > static windows of the same size at boot time for each port. > > If the PCI core programs the decoder on the bridge, then it will > consume a window - however if there is nothing behind the bridge then > leaving the brdige window disabled, but reserving the memory region is > a sensible thing to do. > > I'm not sure what the state of the PCI core is today on this point, > but it could be altered.. The problem I see with the current implementation is that it reserves a fixed size window and does not reassign the window of the bridge itself, only the devices below it, at least if I am reading the code correctly. I have not tried this myself. > Also the host driver can check the link status before consuming a > window, no link = no window. Right, that works. Even if the link is up, it might require only I/O or memory windows, rather than always using both. > > > Just to circle back on this whole thread - Thomas's solution is pretty > > > good, it covers pretty much all the use cases. I think it is a good > > > place to start, and as the firmware-less 'drivers/pci/host' concept > > > develops the right support will eventually come, as everyone is now > > > aware of the need to control the host bridge aperture from the core > > > PCI code. > > > > I agree the solution is not all that bad, I just want to be convinced > > that it actually has advantages over the simpler approaches. > > Unfortunatelly my Marvell systems do not have oversubscribed mbus > windows, so I can't really comment on this :( However I do use the > hotplug capability in the current driver, so at least for me, it is > important to not loose that when trying to solve the oversubcription. One thing worth trying is probably to hack the driver to only use a couple of the available windows and see what happens when you hotplug one card into all the slots one at a time. Arnd
next prev parent reply other threads:[~2013-02-13 21:11 UTC|newest] Thread overview: 433+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-01-28 18:56 [PATCH v2] PCIe support for the Armada 370 and Armada XP SoCs Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 01/27] of/pci: Provide support for parsing PCI DT ranges property Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 02/27] of/pci: Add of_pci_get_devfn() function Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 22:00 ` Stephen Warren 2013-01-28 22:00 ` Stephen Warren 2013-01-28 22:16 ` Thierry Reding 2013-01-28 22:16 ` Thierry Reding 2013-01-29 10:04 ` Thomas Petazzoni 2013-01-29 10:04 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 03/27] of/pci: Add of_pci_parse_bus_range() function Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 04/27] ARM: pci: Allow passing per-controller private data Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 05/27] arm: pci: add a align_resource hook Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-29 15:12 ` Thomas Petazzoni 2013-01-29 15:12 ` Thomas Petazzoni 2013-01-29 15:15 ` Russell King - ARM Linux 2013-01-29 15:15 ` Russell King - ARM Linux 2013-01-29 15:23 ` Thomas Petazzoni 2013-01-29 15:23 ` Thomas Petazzoni 2013-01-29 15:25 ` Russell King - ARM Linux 2013-01-29 15:25 ` Russell King - ARM Linux 2013-01-29 15:28 ` Thomas Petazzoni 2013-01-29 15:28 ` Thomas Petazzoni 2013-01-29 15:58 ` Russell King - ARM Linux 2013-01-29 15:58 ` Russell King - ARM Linux 2013-01-29 16:20 ` Thomas Petazzoni 2013-01-29 16:20 ` Thomas Petazzoni 2013-01-29 16:45 ` Arnd Bergmann 2013-01-29 16:45 ` Arnd Bergmann 2013-01-29 17:09 ` Thomas Petazzoni 2013-01-29 17:09 ` Thomas Petazzoni 2013-01-29 20:15 ` Arnd Bergmann 2013-01-29 20:15 ` Arnd Bergmann 2013-01-29 20:33 ` Thomas Petazzoni 2013-01-29 20:33 ` Thomas Petazzoni 2013-01-29 21:59 ` Thomas Petazzoni 2013-01-29 21:59 ` Thomas Petazzoni 2013-01-29 22:17 ` Stephen Warren 2013-01-29 22:17 ` Stephen Warren 2013-01-30 4:49 ` Jason Gunthorpe 2013-01-30 4:49 ` Jason Gunthorpe 2013-01-29 22:54 ` Arnd Bergmann 2013-01-29 22:54 ` Arnd Bergmann 2013-01-30 4:21 ` Jason Gunthorpe 2013-01-30 4:21 ` Jason Gunthorpe 2013-01-30 9:55 ` Arnd Bergmann 2013-01-30 9:55 ` Arnd Bergmann 2013-01-30 11:47 ` Thomas Petazzoni 2013-01-30 11:47 ` Thomas Petazzoni 2013-01-30 16:17 ` Arnd Bergmann 2013-01-30 16:17 ` Arnd Bergmann 2013-01-30 16:38 ` Thomas Petazzoni 2013-01-30 16:38 ` Thomas Petazzoni 2013-01-30 20:48 ` Bjorn Helgaas 2013-01-30 20:48 ` Bjorn Helgaas 2013-01-30 21:06 ` Jason Gunthorpe 2013-01-30 21:06 ` Jason Gunthorpe 2013-01-30 4:56 ` Jason Gunthorpe 2013-01-30 4:56 ` Jason Gunthorpe 2013-01-30 8:19 ` Thomas Petazzoni 2013-01-30 8:19 ` Thomas Petazzoni 2013-01-30 9:46 ` Arnd Bergmann 2013-01-30 9:46 ` Arnd Bergmann 2013-01-30 9:54 ` Thomas Petazzoni 2013-01-30 9:54 ` Thomas Petazzoni 2013-01-30 10:03 ` Arnd Bergmann 2013-01-30 10:03 ` Arnd Bergmann 2013-01-30 11:42 ` Thomas Petazzoni 2013-01-30 11:42 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 06/27] lib: devres: don't enclose pcim_*() functions in CONFIG_HAS_IOPORT Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 07/27] PCI: Add software-emulated host bridge Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 20:18 ` Arnd Bergmann 2013-01-28 20:18 ` Arnd Bergmann 2013-01-28 22:03 ` Stephen Warren 2013-01-28 22:03 ` Stephen Warren 2013-01-28 22:09 ` Jason Gunthorpe 2013-01-28 22:09 ` Jason Gunthorpe 2013-01-28 22:18 ` Thomas Petazzoni 2013-01-28 22:18 ` Thomas Petazzoni 2013-01-28 22:23 ` Jason Gunthorpe 2013-01-28 22:23 ` Jason Gunthorpe 2013-01-28 22:30 ` Thomas Petazzoni 2013-01-28 22:30 ` Thomas Petazzoni 2013-01-28 22:51 ` Jason Gunthorpe 2013-01-28 22:51 ` Jason Gunthorpe 2013-01-29 10:01 ` Thomas Petazzoni 2013-01-29 10:01 ` Thomas Petazzoni 2013-01-29 17:42 ` Jason Gunthorpe 2013-01-29 17:42 ` Jason Gunthorpe 2013-01-29 17:43 ` Thomas Petazzoni 2013-01-29 17:43 ` Thomas Petazzoni 2013-01-29 2:40 ` Bjorn Helgaas 2013-01-29 2:40 ` Bjorn Helgaas 2013-01-29 6:16 ` Jason Gunthorpe 2013-01-29 6:16 ` Jason Gunthorpe 2013-01-28 22:09 ` Thomas Petazzoni 2013-01-28 22:09 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 08/27] pci: implement an emulated PCI-to-PCI bridge Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 19:35 ` Jason Gunthorpe 2013-01-28 19:35 ` Jason Gunthorpe 2013-01-28 19:39 ` Thomas Petazzoni 2013-01-28 19:39 ` Thomas Petazzoni 2013-01-28 19:55 ` Jason Gunthorpe 2013-01-28 19:55 ` Jason Gunthorpe 2013-01-28 22:06 ` Stephen Warren 2013-01-28 22:06 ` Stephen Warren 2013-01-28 22:16 ` Jason Gunthorpe 2013-01-28 22:16 ` Jason Gunthorpe 2013-01-29 22:35 ` Bjorn Helgaas 2013-01-29 22:35 ` Bjorn Helgaas 2013-01-29 23:06 ` Arnd Bergmann 2013-01-29 23:06 ` Arnd Bergmann 2013-01-30 4:12 ` Jason Gunthorpe 2013-01-30 4:12 ` Jason Gunthorpe 2013-01-28 18:56 ` [PATCH v2 09/27] pci: infrastructure to add drivers in drivers/pci/host Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 10/27] arm: mvebu: fix address-cells in mpic DT node Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 11/27] clk: mvebu: create parent-child relation for PCIe clocks on Armada 370 Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 22:08 ` Stephen Warren 2013-01-28 22:08 ` Stephen Warren 2013-01-28 22:21 ` Thomas Petazzoni 2013-01-28 22:21 ` Thomas Petazzoni 2013-01-28 22:27 ` Stephen Warren 2013-01-28 22:27 ` Stephen Warren 2013-01-28 22:44 ` Thomas Petazzoni 2013-01-28 22:44 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 12/27] clk: mvebu: add more PCIe clocks for Armada XP Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 13/27] arm: plat-orion: introduce WIN_CTRL_ENABLE in address mapping code Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 14/27] arm: plat-orion: refactor the orion_disable_wins() function Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 15/27] arm: plat-orion: introduce orion_{alloc,free}_cpu_win() functions Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 15/27] arm: plat-orion: introduce orion_{alloc, free}_cpu_win() functions Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 16/27] arm: mvebu: add functions to alloc/free PCIe decoding windows Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 17/27] arm: plat-orion: make common PCIe code usable on mvebu Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 18/27] arm: plat-orion: add more flexible PCI configuration space read/write functions Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 19:51 ` Jason Gunthorpe 2013-01-28 19:51 ` Jason Gunthorpe 2013-01-29 8:40 ` Thomas Petazzoni 2013-01-29 8:40 ` Thomas Petazzoni 2013-01-29 17:40 ` Jason Gunthorpe 2013-01-29 17:40 ` Jason Gunthorpe 2013-01-28 18:56 ` [PATCH v2 19/27] pci: PCIe driver for Marvell Armada 370/XP systems Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 22:21 ` Stephen Warren 2013-01-28 22:21 ` Stephen Warren 2013-01-29 8:41 ` Thomas Petazzoni 2013-01-29 8:41 ` Thomas Petazzoni 2013-01-29 9:20 ` Thierry Reding 2013-01-29 9:20 ` Thierry Reding 2013-01-29 9:21 ` Thomas Petazzoni 2013-01-29 9:21 ` Thomas Petazzoni 2013-02-07 10:24 ` Thomas Petazzoni 2013-02-07 10:24 ` Thomas Petazzoni 2013-02-07 15:46 ` Bjorn Helgaas 2013-02-07 15:46 ` Bjorn Helgaas 2013-02-07 16:00 ` Thomas Petazzoni 2013-02-07 16:00 ` Thomas Petazzoni 2013-02-07 18:08 ` Bjorn Helgaas 2013-02-07 18:08 ` Bjorn Helgaas 2013-02-07 18:15 ` Jason Gunthorpe 2013-02-07 18:15 ` Jason Gunthorpe 2013-02-07 18:30 ` Bjorn Helgaas 2013-02-07 18:30 ` Bjorn Helgaas 2013-02-07 18:43 ` Thierry Reding 2013-02-07 18:43 ` Thierry Reding 2013-01-29 19:47 ` Stephen Warren 2013-01-29 19:47 ` Stephen Warren 2013-01-29 3:29 ` Bjorn Helgaas 2013-01-29 3:29 ` Bjorn Helgaas 2013-01-29 5:55 ` Jason Gunthorpe 2013-01-29 5:55 ` Jason Gunthorpe 2013-01-29 8:00 ` Thomas Petazzoni 2013-01-29 8:00 ` Thomas Petazzoni 2013-01-29 17:47 ` Bjorn Helgaas 2013-01-29 17:47 ` Bjorn Helgaas 2013-01-29 18:14 ` Thomas Petazzoni 2013-01-29 18:14 ` Thomas Petazzoni 2013-01-29 18:41 ` Jason Gunthorpe 2013-01-29 18:41 ` Jason Gunthorpe 2013-01-29 19:07 ` Bjorn Helgaas 2013-01-29 19:07 ` Bjorn Helgaas 2013-01-29 19:18 ` Jason Gunthorpe 2013-01-29 19:18 ` Jason Gunthorpe 2013-01-29 19:38 ` Bjorn Helgaas 2013-01-29 19:38 ` Bjorn Helgaas 2013-01-29 22:27 ` Bjorn Helgaas 2013-01-29 22:27 ` Bjorn Helgaas 2013-01-30 4:24 ` Jason Gunthorpe 2013-01-30 4:24 ` Jason Gunthorpe 2013-01-30 9:35 ` Thomas Petazzoni 2013-01-30 9:35 ` Thomas Petazzoni 2013-01-30 18:52 ` Bjorn Helgaas 2013-01-30 18:52 ` Bjorn Helgaas 2013-01-30 22:28 ` Thomas Petazzoni 2013-01-30 22:28 ` Thomas Petazzoni 2013-01-30 23:10 ` Jason Gunthorpe 2013-01-30 23:10 ` Jason Gunthorpe 2013-01-30 23:48 ` Bjorn Helgaas 2013-01-30 23:48 ` Bjorn Helgaas 2013-01-31 16:04 ` Thomas Petazzoni 2013-01-31 16:04 ` Thomas Petazzoni 2013-01-31 16:30 ` Bjorn Helgaas 2013-01-31 16:30 ` Bjorn Helgaas 2013-01-31 16:33 ` Thomas Petazzoni 2013-01-31 16:33 ` Thomas Petazzoni 2013-01-31 17:03 ` Bjorn Helgaas 2013-01-31 17:03 ` Bjorn Helgaas 2013-01-31 16:42 ` Russell King - ARM Linux 2013-01-31 16:42 ` Russell King - ARM Linux 2013-01-29 13:22 ` Andrew Murray 2013-01-29 13:22 ` Andrew Murray 2013-01-29 13:45 ` Thomas Petazzoni 2013-01-29 13:45 ` Thomas Petazzoni 2013-01-29 14:05 ` Andrew Murray 2013-01-29 14:05 ` Andrew Murray 2013-01-29 14:20 ` Thierry Reding 2013-01-29 14:20 ` Thierry Reding 2013-01-29 14:29 ` Thomas Petazzoni 2013-01-29 14:29 ` Thomas Petazzoni 2013-01-29 15:02 ` Thierry Reding 2013-01-29 15:02 ` Thierry Reding 2013-01-29 15:08 ` Andrew Murray 2013-01-29 15:08 ` Andrew Murray 2013-01-29 15:10 ` Thomas Petazzoni 2013-01-29 15:10 ` Thomas Petazzoni 2013-02-07 14:37 ` Thomas Petazzoni 2013-02-07 14:37 ` Thomas Petazzoni 2013-02-07 15:51 ` Andrew Murray 2013-02-07 15:51 ` Andrew Murray 2013-02-07 16:19 ` Thomas Petazzoni 2013-02-07 16:19 ` Thomas Petazzoni 2013-02-07 16:40 ` Thomas Petazzoni 2013-02-07 16:40 ` Thomas Petazzoni 2013-02-07 16:53 ` Andrew Murray 2013-02-07 16:53 ` Andrew Murray 2013-02-07 17:14 ` Thomas Petazzoni 2013-02-07 17:14 ` Thomas Petazzoni 2013-02-07 17:29 ` Andrew Murray 2013-02-07 17:29 ` Andrew Murray 2013-02-07 17:37 ` Thomas Petazzoni 2013-02-07 17:37 ` Thomas Petazzoni 2013-02-07 18:21 ` Jason Gunthorpe 2013-02-07 18:21 ` Jason Gunthorpe 2013-02-07 23:25 ` Arnd Bergmann 2013-02-07 23:25 ` Arnd Bergmann 2013-02-08 0:44 ` Jason Gunthorpe 2013-02-08 0:44 ` Jason Gunthorpe 2013-02-09 22:23 ` Arnd Bergmann 2013-02-09 22:23 ` Arnd Bergmann 2013-02-12 19:26 ` Jason Gunthorpe 2013-02-12 19:26 ` Jason Gunthorpe 2013-02-07 18:30 ` Andrew Murray 2013-02-07 18:30 ` Andrew Murray 2013-02-07 23:27 ` Arnd Bergmann 2013-02-07 23:27 ` Arnd Bergmann 2013-01-30 11:32 ` Russell King - ARM Linux 2013-01-30 11:32 ` Russell King - ARM Linux 2013-01-30 11:37 ` Thomas Petazzoni 2013-01-30 11:37 ` Thomas Petazzoni 2013-01-30 12:03 ` Thierry Reding 2013-01-30 12:03 ` Thierry Reding 2013-01-30 13:07 ` Thomas Petazzoni 2013-01-30 13:07 ` Thomas Petazzoni 2013-01-30 15:08 ` Russell King - ARM Linux 2013-01-30 15:08 ` Russell King - ARM Linux 2013-01-30 15:19 ` Russell King - ARM Linux 2013-01-30 15:19 ` Russell King - ARM Linux 2013-01-30 15:36 ` Thomas Petazzoni 2013-01-30 15:36 ` Thomas Petazzoni 2013-01-30 15:46 ` Russell King - ARM Linux 2013-01-30 15:46 ` Russell King - ARM Linux 2013-01-31 14:30 ` Thomas Petazzoni 2013-01-31 14:30 ` Thomas Petazzoni 2013-01-31 14:50 ` Russell King - ARM Linux 2013-01-31 14:50 ` Russell King - ARM Linux 2013-01-31 14:57 ` Thomas Petazzoni 2013-01-31 14:57 ` Thomas Petazzoni 2013-01-31 15:08 ` Russell King - ARM Linux 2013-01-31 15:08 ` Russell King - ARM Linux 2013-01-31 15:22 ` Thomas Petazzoni 2013-01-31 15:22 ` Thomas Petazzoni 2013-01-31 15:36 ` Russell King - ARM Linux 2013-01-31 15:36 ` Russell King - ARM Linux 2013-01-31 15:47 ` Thomas Petazzoni 2013-01-31 15:47 ` Thomas Petazzoni 2013-01-31 15:48 ` Russell King - ARM Linux 2013-01-31 15:48 ` Russell King - ARM Linux 2013-01-31 16:18 ` Arnd Bergmann 2013-01-31 16:18 ` Arnd Bergmann 2013-01-31 18:02 ` Jason Gunthorpe 2013-01-31 18:02 ` Jason Gunthorpe 2013-01-31 20:46 ` Arnd Bergmann 2013-01-31 20:46 ` Arnd Bergmann 2013-01-31 22:44 ` Jason Gunthorpe 2013-01-31 22:44 ` Jason Gunthorpe 2013-02-01 11:30 ` Arnd Bergmann 2013-02-01 11:30 ` Arnd Bergmann 2013-02-01 19:52 ` Jason Gunthorpe 2013-02-01 19:52 ` Jason Gunthorpe 2013-02-06 16:51 ` Thomas Petazzoni 2013-02-06 16:51 ` Thomas Petazzoni 2013-02-06 17:09 ` Jason Gunthorpe 2013-02-06 17:09 ` Jason Gunthorpe 2013-02-06 17:18 ` Thomas Petazzoni 2013-02-06 17:18 ` Thomas Petazzoni 2013-02-06 17:50 ` Jason Gunthorpe 2013-02-06 17:50 ` Jason Gunthorpe 2013-02-06 18:02 ` Thomas Petazzoni 2013-02-06 18:02 ` Thomas Petazzoni 2013-02-06 18:22 ` Stephen Warren 2013-02-06 18:22 ` Stephen Warren 2013-02-06 18:39 ` Jason Gunthorpe 2013-02-06 18:39 ` Jason Gunthorpe 2013-02-06 18:42 ` Thomas Petazzoni 2013-02-06 18:42 ` Thomas Petazzoni 2013-02-06 22:04 ` Arnd Bergmann 2013-02-06 22:04 ` Arnd Bergmann 2013-02-07 15:50 ` Giving special alignment/size constraints to the Linux PCI core? Thomas Petazzoni 2013-02-07 23:33 ` Arnd Bergmann 2013-02-07 23:33 ` Arnd Bergmann 2013-02-08 4:21 ` Bjorn Helgaas 2013-02-08 4:21 ` Bjorn Helgaas 2013-02-08 8:14 ` Thomas Petazzoni 2013-02-08 8:14 ` Thomas Petazzoni 2013-02-12 16:00 ` Arnd Bergmann 2013-02-12 16:00 ` Arnd Bergmann 2013-02-12 18:41 ` Jason Gunthorpe 2013-02-12 18:41 ` Jason Gunthorpe 2013-02-12 19:02 ` Arnd Bergmann 2013-02-12 19:02 ` Arnd Bergmann 2013-02-12 19:38 ` Jason Gunthorpe 2013-02-12 19:38 ` Jason Gunthorpe 2013-02-12 23:05 ` Arnd Bergmann 2013-02-12 23:05 ` Arnd Bergmann 2013-02-13 0:32 ` Jason Gunthorpe 2013-02-13 0:32 ` Jason Gunthorpe 2013-02-13 18:53 ` Arnd Bergmann 2013-02-13 18:53 ` Arnd Bergmann 2013-02-13 19:12 ` Jason Gunthorpe 2013-02-13 19:12 ` Jason Gunthorpe 2013-02-13 19:51 ` Thomas Petazzoni 2013-02-13 19:51 ` Thomas Petazzoni 2013-02-13 21:10 ` Arnd Bergmann [this message] 2013-02-13 21:10 ` Arnd Bergmann 2013-02-13 21:20 ` Yinghai Lu 2013-02-13 21:20 ` Yinghai Lu 2013-02-13 22:24 ` Arnd Bergmann 2013-02-13 22:24 ` Arnd Bergmann 2013-02-13 21:02 ` Yinghai Lu 2013-02-13 21:02 ` Yinghai Lu 2013-01-31 7:10 ` [PATCH v2 19/27] pci: PCIe driver for Marvell Armada 370/XP systems Thierry Reding 2013-01-31 7:10 ` Thierry Reding 2013-02-01 0:34 ` Stephen Warren 2013-02-01 0:34 ` Stephen Warren 2013-02-01 1:41 ` Jason Gunthorpe 2013-02-01 1:41 ` Jason Gunthorpe 2013-02-01 2:21 ` Stephen Warren 2013-02-01 2:21 ` Stephen Warren 2013-02-01 3:51 ` Jason Gunthorpe 2013-02-01 3:51 ` Jason Gunthorpe 2013-02-01 9:03 ` Thomas Petazzoni 2013-02-01 9:03 ` Thomas Petazzoni 2013-02-01 16:07 ` Arnd Bergmann 2013-02-01 16:07 ` Arnd Bergmann 2013-02-01 16:26 ` Russell King - ARM Linux 2013-02-01 16:26 ` Russell King - ARM Linux 2013-02-01 17:45 ` Arnd Bergmann 2013-02-01 17:45 ` Arnd Bergmann 2013-02-01 19:58 ` Jason Gunthorpe 2013-02-01 19:58 ` Jason Gunthorpe 2013-02-01 8:46 ` Thomas Petazzoni 2013-02-01 8:46 ` Thomas Petazzoni 2013-02-01 16:02 ` Arnd Bergmann 2013-02-01 16:02 ` Arnd Bergmann 2013-02-01 17:57 ` Stephen Warren 2013-02-01 17:57 ` Stephen Warren 2013-02-01 19:39 ` Jason Gunthorpe 2013-02-01 19:39 ` Jason Gunthorpe 2013-02-01 20:30 ` Stephen Warren 2013-02-01 20:30 ` Stephen Warren 2013-01-28 18:56 ` [PATCH v2 20/27] arm: mvebu: PCIe support is now available on mvebu Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 21/27] arm: mvebu: add PCIe Device Tree informations for Armada 370 Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 22/27] arm: mvebu: add PCIe Device Tree informations for Armada XP Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-02-06 22:41 ` Arnd Bergmann 2013-02-06 22:41 ` Arnd Bergmann 2013-02-06 23:07 ` Thomas Petazzoni 2013-02-06 23:07 ` Thomas Petazzoni 2013-02-07 8:04 ` Arnd Bergmann 2013-02-07 8:04 ` Arnd Bergmann 2013-02-07 8:45 ` Thomas Petazzoni 2013-02-07 8:45 ` Thomas Petazzoni 2013-02-07 9:09 ` Arnd Bergmann 2013-02-07 9:09 ` Arnd Bergmann 2013-02-07 1:05 ` Jason Gunthorpe 2013-02-07 1:05 ` Jason Gunthorpe 2013-02-07 7:28 ` Thierry Reding 2013-02-07 7:28 ` Thierry Reding 2013-02-07 17:49 ` Jason Gunthorpe 2013-02-07 17:49 ` Jason Gunthorpe 2013-02-07 8:24 ` Arnd Bergmann 2013-02-07 8:24 ` Arnd Bergmann 2013-02-07 17:00 ` Jason Gunthorpe 2013-02-07 17:00 ` Jason Gunthorpe 2013-02-07 23:44 ` Arnd Bergmann 2013-02-07 23:44 ` Arnd Bergmann 2013-01-28 18:56 ` [PATCH v2 23/27] arm: mvebu: PCIe Device Tree informations for OpenBlocks AX3-4 Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 24/27] arm: mvebu: PCIe Device Tree informations for Armada XP DB Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 25/27] arm: mvebu: PCIe Device Tree informations for Armada 370 Mirabox Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 26/27] arm: mvebu: PCIe Device Tree informations for Armada 370 DB Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni 2013-01-28 18:56 ` [PATCH v2 27/27] arm: mvebu: update defconfig with PCI and USB support Thomas Petazzoni 2013-01-28 18:56 ` Thomas Petazzoni
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