Re: [PATCH 00/08] ARM: shmobile: CPU Hotplug and SMP CA9 SCU rework part 2

[Magnus Damm <magnus.damm@gmail.com>]

On Wed, Mar 27, 2013 at 7:57 PM, Simon Horman <horms@verge.net.au> wrote:
> On Wed, Mar 27, 2013 at 05:53:48PM +0900, Magnus Damm wrote:
>> On Wed, Mar 27, 2013 at 5:45 PM, Simon Horman <horms@verge.net.au> wrote:
>> > On Wed, Mar 27, 2013 at 03:42:57PM +0900, Magnus Damm wrote:
>> >> On Tue, Feb 26, 2013 at 5:53 PM, Simon Horman <horms@verge.net.au> wrote:
>> >> > On Tue, Feb 19, 2013 at 07:09:14PM +0900, Magnus Damm wrote:
>> >> >> On Tue, Feb 19, 2013 at 9:49 AM, Simon Horman <horms@verge.net.au> wrote:
>> >> >> > On Mon, Feb 18, 2013 at 10:46:48PM +0900, Magnus Damm wrote:
>> >> >> >> ARM: shmobile: CPU Hotplug and SMP CA9 SCU rework part 2
>> >> >> >>
>> >> >> >> [PATCH 01/08] ARM: shmobile: Fix base address readout in headsmp-scu.S
>> >> >> >> [PATCH 02/08] ARM: shmobile: Rework SH73A0_SCU_BASE IOMEM() usage
>> >> >> >> [PATCH 03/08] ARM: shmobile: Use R8A7779_SCU_BASE with TWD
>> >> >> >> [PATCH 04/08] ARM: shmobile: Update r8a7779 to check SCU for hotplug
>> >> >> >> [PATCH 05/08] ARM: shmobile: Update r8a7779 to use scu_power_mode()
>> >> >> >> [PATCH 06/08] ARM: shmobile: Use sh73a0-specific cpu disable code
>> >> >> >> [PATCH 07/08] ARM: shmobile: Rearrange r8a7779 cpu hotplug code
>> >> >> >> [PATCH 08/08] ARM: shmobile: Remove unused hotplug.c
>> >> >> >>
>> >> >> >> Finalize the SCU rework by performing minor fixes and converting
>> >> >> >> the r8a7779 SMP code to make use of common scu_power_mode() code
>> >> >> >> and the early SCU setup code in headsmp-scu.S.
>> >> >> >>
>> >> >> >> Also, to save a few line remove hotplug.c while at it.
>> >> >> >>
>> >> >> >> The only remaining itch to scratch here is to fix up CPU Hotplug
>> >> >> >> of CPU0 on r8a7779, but for that to happen we first need to start
>> >> >> >> accounting for spurious interrupts during shut down.
>> >> >> >>
>> >> >> >> Signed-off-by: Magnus Damm <damm@opensource.se>
>> >> >> >> ---
>> >> >> >>
>> >> >> >>  No known dependencies apart from previous SMP cleanup series
>> >> >> >>  "[PATCH 00/06] ARM: shmobile: SMP Cortex-A9 SCU rework"
>> >> >> >>  Written against -next in renesas.git.
>> >> >> >
>> >> >> > I believe those are queued up for upstream in the soc5 branch.
>> >> >> >
>> >> >> > Please let me know when you are comfortable with me applying these patches
>> >> >> > to that branch. I'm fine with that answer being "now".
>> >> >>
>> >> >> Now sounds wonderful. Thanks Simon.
>> >> >
>> >> > [some time passes]
>> >> >
>> >> > Thanks, applied to the soc5 branch.
>> >>
>> >> [more time passes]
>> >>
>> >> Thanks for your help.
>> >>
>> >> Here's a list of the recent SMP/SCU/CPU Hotplug patches:
>> >>
>> >> [PATCH 00/06] ARM: shmobile: Trivial SMP cleanups
>> >> [PATCH 01/06] ARM: shmobile: Remove unused headers from hotplug.c
>> >> [PATCH 02/06] ARM: shmobile: Remove partial CPU Hotplug from EMEV2
>> >> [PATCH 03/06] ARM: shmobile: Move EMEV2 CPU boot vector setup code
>> >> [PATCH 04/06] ARM: shmobile: Remove sh73a0_get_core_count()
>> >> [PATCH 05/06] ARM: shmobile: Remove r8a7779_get_core_count()
>> >> [PATCH 06/06] ARM: shmobile: Remove emev2_get_core_count()
>> >>
>> >> [PATCH 00/06] ARM: shmobile: SMP Cortex-A9 SCU rework
>> >> [PATCH 01/06] ARM: shmobile: Kill off sh73a0 scu_base_addr() function
>> >> [PATCH 02/06] ARM: shmobile: Kill off r8a7779 scu_base_addr() function
>> >> [PATCH 03/06] ARM: shmobile: Rework EMEV2 scu_base variable
>> >> [PATCH 04/06] ARM: shmobile: Move headsmp-sh73a0.S to headsmp-scu.S
>> >> [PATCH 05/06] ARM: shmobile: Common shmobile_scu_base in headsmp-scu.S
>> >> [PATCH 06/06] ARM: shmobile: Update EMEV2 to use scu_power_mode()
>> >>
>> >> [PATCH 00/08] ARM: shmobile: CPU Hotplug and SMP CA9 SCU rework part 2
>> >> [PATCH 01/08] ARM: shmobile: Fix base address readout in headsmp-scu.S
>> >> [PATCH 02/08] ARM: shmobile: Rework SH73A0_SCU_BASE IOMEM() usage
>> >> [PATCH 03/08] ARM: shmobile: Use R8A7779_SCU_BASE with TWD
>> >> [PATCH 04/08] ARM: shmobile: Update r8a7779 to check SCU for hotplug
>> >> [PATCH 05/08] ARM: shmobile: Update r8a7779 to use scu_power_mode()
>> >> [PATCH 06/08] ARM: shmobile: Use sh73a0-specific cpu disable code
>> >> [PATCH 07/08] ARM: shmobile: Rearrange r8a7779 cpu hotplug code
>> >> [PATCH 08/08] ARM: shmobile: Remove unused hotplug.c
>> >>
>> >> I've now gotten around to once more test the above patches on KZM9D,
>> >> and both CPU0 and CPU1 boots as expected when SMP is enabled in the
>> >> kernel configuration.
>> >>
>> >> To test I used renesas.git with the tag renesas-next-20130321.
>> >
>> > Do you want me to queue-up the above patches for v3.10?
>>
>> To be honest, I actually expected them to be queued-up already. They
>> are in "next", right?
>>
>> If they are not queued up already then please do so.
>
> I checked in patchwork and they have all been accepted.
>
> What was the purpose of you posting the list of patches?
> I am confused.

Just wanted to make a summary of those SMP related patches. Sorry
about the confusion!

/ magnus