Subject: [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 to use stacked domains

From: [email-masked] (Nishanth Menon)
Date: Mon, 23 Feb 2015 14:32:37 -0600

On 17:44-20150223, Marc Zyngier wrote:
> This series is extracted from [4], which is trying to remove all
> traces of gic_arch_extn from the tree. As some maintainers are more
> responsive than others (understatement of the year...), I've decided
> to split it per sub-arch, and get it moving, at least partially.
> 
> This series addresses OMAP{4,5} by converting the WUGEN to stacked
> domains. The DRA7 crossbar gets the same treatment.
> 
> It is worth realizing that:
> 
> - I haven't been able to test this as much as I would have wanted to
>   (it's only been tested on omap4 and omap5).
> 
> - This actively *breaks* existing setups. Once you boot a new kernel
>   with an old DT, suspend/resume *will* be broken. Old kernels on a
>   new DT won't even boot! You've been warned. This really outline the
>   necessity of actually describing the HW in device trees...
> 
> Based on 4.0-rc1.
> 
> * From v4: [4]
> - Extracted from the full series
> - Rebased on 4.0-rc1
> 
> * From v3 [3]:
> - Rebased on top of the patch working around hardcoded IRQ on OMAP4/5 [4]
> - Fixed more iMX6 DTs (Stephan)
> - Fixed Exynos4/5 DTs
> 
> * From v2 [2]:
> - Addressed numerous comments from Thierry
> - Merged bug fixes from Nishanth
> - Merged bug fix from Stefan
> 
> * From v1 [1]:
> - Rebased on 3.19-rc3
> - Fixed a number of additional platforms
> - Added crossbar conversion to stacked domains
> - Merged bug fixes from Nishanth
> 
> [4]: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-January/317531.html
> [3]: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-January/315385.html
> [2]: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-January/314041.html
> [1]: http://lists.infradead.org/pipermail/linux-arm-kernel/2014-November/307338.html
> 
> Marc Zyngier (7):
>   genirq: Add irqchip_set_wake_parent
>   irqchip: crossbar: convert dra7 crossbar to stacked domains
>   DT: update ti,irq-crossbar binding
>   irqchip: GIC: get rid of routable domain
>   DT: arm,gic: kill arm,routable-irqs
>   DT: omap4/5: add binding for the wake-up generator
>   ARM: omap: convert wakeupgen to stacked domains
> 
>  Documentation/devicetree/bindings/arm/gic.txt      |   6 -
>  .../devicetree/bindings/arm/omap/crossbar.txt      |  18 +-
>  .../interrupt-controller/ti,omap4-wugen-mpu        |  33 ++++
>  arch/arm/boot/dts/am4372.dtsi                      |  11 +-
>  arch/arm/boot/dts/am437x-gp-evm.dts                |   1 -
>  arch/arm/boot/dts/am437x-sk-evm.dts                |   1 -
>  arch/arm/boot/dts/am43x-epos-evm.dts               |   1 -
>  arch/arm/boot/dts/am57xx-beagle-x15.dts            |   3 +-
>  arch/arm/boot/dts/dra7-evm.dts                     |   2 +-
>  arch/arm/boot/dts/dra7.dtsi                        |  43 +++--
>  arch/arm/boot/dts/dra72-evm.dts                    |   1 -
>  arch/arm/boot/dts/dra72x.dtsi                      |   3 +-
>  arch/arm/boot/dts/dra74x.dtsi                      |   5 +-
>  arch/arm/boot/dts/omap4-duovero.dtsi               |   2 -
>  arch/arm/boot/dts/omap4-panda-common.dtsi          |   8 +-
>  arch/arm/boot/dts/omap4-sdp.dts                    |   8 +-
>  arch/arm/boot/dts/omap4-var-som-om44.dtsi          |   2 -
>  arch/arm/boot/dts/omap4.dtsi                       |  18 +-
>  arch/arm/boot/dts/omap5-cm-t54.dts                 |   1 -
>  arch/arm/boot/dts/omap5-uevm.dts                   |   2 -
>  arch/arm/boot/dts/omap5.dtsi                       |  26 ++-
>  arch/arm/mach-omap2/omap-wakeupgen.c               | 125 ++++++++++---
>  arch/arm/mach-omap2/omap-wakeupgen.h               |   1 -
>  arch/arm/mach-omap2/omap4-common.c                 |  21 +--
>  drivers/irqchip/irq-crossbar.c                     | 207 ++++++++++++---------
>  drivers/irqchip/irq-gic.c                          |  59 +-----
>  include/linux/irq.h                                |   1 +
>  include/linux/irqchip/arm-gic.h                    |   6 -
>  include/linux/irqchip/irq-crossbar.h               |  11 --
>  kernel/irq/chip.c                                  |  16 ++
>  30 files changed, 364 insertions(+), 278 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/ti,omap4-wugen-mpu
>  delete mode 100644 include/linux/irqchip/irq-crossbar.h

marc-test-irq (Applied the series to v4.0-rc1) - boot logs:
 1:                     am335x-evm: BOOT: PASS: http://paste.ubuntu.org.cn/2469913
 2:                      am335x-sk: BOOT: PASS: http://paste.ubuntu.org.cn/2469914
 3:                     am3517-evm: BOOT: PASS: http://paste.ubuntu.org.cn/2469915
 4:                      am37x-evm: BOOT: PASS: http://paste.ubuntu.org.cn/2469916
 5:                      am437x-sk: BOOT: PASS: http://paste.ubuntu.org.cn/2469917
 6:                    am43xx-epos: BOOT: PASS: http://paste.ubuntu.org.cn/2469918
 7:                   am43xx-gpevm: BOOT: PASS: http://paste.ubuntu.org.cn/2469919
 8:                 BeagleBoard-XM: BOOT: PASS: http://paste.ubuntu.org.cn/2469920
 9:            beagleboard-vanilla: BOOT: PASS: http://paste.ubuntu.org.cn/2469928
10:               beaglebone-black: BOOT: PASS: http://paste.ubuntu.org.cn/2469932
11:                     beaglebone: BOOT: PASS: http://paste.ubuntu.org.cn/2469936
12:                     craneboard: BOOT: PASS: http://paste.ubuntu.org.cn/2469941
13:                     dra72x-evm: BOOT: PASS: http://paste.ubuntu.org.cn/2469945
14:                     dra7xx-evm: BOOT: PASS: http://paste.ubuntu.org.cn/2469946
15:         OMAP3430-Labrador(LDP): BOOT: PASS: http://paste.ubuntu.org.cn/2469947
16:                           n900: BOOT: PASS: http://paste.ubuntu.org.cn/2469948
17:                      omap5-evm: BOOT: PASS: http://paste.ubuntu.org.cn/2469949
18:                  pandaboard-es: BOOT: PASS: http://paste.ubuntu.org.cn/2469950
19:             pandaboard-vanilla: BOOT: PASS: http://paste.ubuntu.org.cn/2469951
20:                        sdp2430: BOOT: PASS: http://paste.ubuntu.org.cn/2469952
21:                        sdp3430: BOOT: PASS: http://paste.ubuntu.org.cn/2469953
22:                        sdp4430: BOOT: PASS: http://paste.ubuntu.org.cn/2469954
TOTAL = 22 boards, Booted Boards = 22, No Boot boards = 0

(also tested beagleboard-x15 which was not on farm: http://paste.ubuntu.org.cn/2470017  - looks good as well).

Comparative boot logs for v4.0-rc1:
https://github.com/nmenon/kernel-test-logs/tree/v4.0-rc1

Will dig in detail a little later.. but nothing major stuck out to me.

> -- 
> 2.1.4

-- 
Regards,
Nishanth Menon