From: Tony Lindgren <tony@atomide.com>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: Nishanth Menon <nm@ti.com>, Mark Rutland <mark.rutland@arm.com>,
Linus Walleij <linus.walleij@linaro.org>,
Stefan Agner <stefan@agner.ch>,
Thierry Reding <thierry.reding@gmail.com>,
Jason Cooper <jason@lakedaemon.net>,
Alexandre Courbot <gnurou@gmail.com>,
Kukjin Kim <kgene.kim@samsung.com>,
Pankaj Dubey <pankaj.dubey@samsung.com>,
Magnus Damm <magnus.damm@gmail.com>,
Michal Simek <michal.simek@xilinx.com>,
linux-samsung-soc@vger.kernel.org,
Benoit Cousson <bcousson@baylibre.com>,
Stephen Warren <swarren@wwwdotorg.org>,
Simon Horman <horms@verge.net.au>,
Santosh Shilimkar <ssantosh@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Rob Herring <robh+dt@kernel.org>,
Sascha Hauer <kernel@pengutronix.de>,
Shawn Guo <shawn.guo@linaro.org>
Subject: Re: [PATCH v4 13/21] ARM: omap: convert wakeupgen to stacked domains
Date: Wed, 21 Jan 2015 08:30:31 -0800 [thread overview]
Message-ID: <20150121163031.GR7718@atomide.com> (raw)
In-Reply-To: <1421660655-21394-14-git-send-email-marc.zyngier@arm.com>
* Marc Zyngier <marc.zyngier@arm.com> [150119 01:48]:
> OMAP4/5 has been (ab)using the gic_arch_extn to provide
> wakeup from suspend, and it makes a lot of sense to convert
> this code to use stacked domains instead.
>
> This patch does just this, updating the DT files to actually
> reflect what the HW provides.
>
> BIG FAT WARNING: because the DTs were so far lying by not
> exposing the WUGEN HW block, kernels with this patch applied
> won't have any suspend-resume facility when booted with old DTs,
> and old kernels with updated DTs won't even boot.
>
> On a platform with this patch applied, the system looks like
> this:
>
> root@bacon-fat:~# cat /proc/interrupts
> CPU0 CPU1
> 16: 0 0 WUGEN 37 gp_timer
> 19: 233799 155916 GIC 27 arch_timer
> 23: 0 0 WUGEN 9 l3-dbg-irq
> 24: 1 0 WUGEN 10 l3-app-irq
> 27: 282 0 WUGEN 13 omap-dma-engine
> 44: 0 0 4ae10000.gpio 13 DMA
You may want to update this part for the fix :)
I gave this a quick boot test on am437x-gp-evm and the
interrupts look OK with the fix also applied:
# cat /proc/interrupts
CPU0
16: 657 WUGEN 68 gp_timer
18: 0 WUGEN 9 l3-dbg-irq
19: 0 WUGEN 10 l3-app-irq
20: 5 WUGEN 12 edma
22: 0 WUGEN 14 edma_error
23: 96 WUGEN 72 OMAP UART0
33: 0 44e07000.gpio 6 mmc0
158: 52 WUGEN 70 44e0b000.i2c
159: 0 WUGEN 71 4802a000.i2c
160: 35 WUGEN 64 mmc0
161: 0 WUGEN 40 4a100000.ethernet
162: 7739 WUGEN 41 4a100000.ethernet
163: 7608 WUGEN 42 4a100000.ethernet
164: 0 WUGEN 43 4a100000.ethernet
170: 0 WUGEN 100 gpmc
180: 0 WUGEN 7 tps65218
IPI0: 0 CPU wakeup interrupts
IPI1: 0 Timer broadcast interrupts
IPI2: 0 Rescheduling interrupts
IPI3: 0 Function call interrupts
IPI4: 0 Single function call interrupts
IPI5: 0 CPU stop interrupts
IPI6: 0 IRQ work interrupts
IPI7: 0 completion interrupts
Err: 0
Also verified that suspend and resume to a serial console event
works on omap4430-sdp. So please feel free to add:
Acked-by: Tony Lindgren <tony@atomide.com>
next prev parent reply other threads:[~2015-01-21 16:30 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-19 9:43 [PATCH v4 00/21] irqchip: gic: killing gic_arch_extn and co, slowly Marc Zyngier
2015-01-19 9:43 ` [PATCH v4 01/21] ARM: tegra: irq: nuke leftovers from non-DT support Marc Zyngier
2015-01-19 9:43 ` [PATCH v4 02/21] irqchip: tegra: add DT-based support for legacy interrupt controller Marc Zyngier
2015-01-20 7:51 ` Peter De Schrijver
2015-01-19 9:43 ` [PATCH v4 03/21] ARM: tegra: skip gic_arch_extn setup if DT has a LIC node Marc Zyngier
2015-01-19 9:43 ` [PATCH v4 04/21] ARM: tegra: update DTs to expose legacy interrupt controller Marc Zyngier
2015-01-19 9:43 ` [PATCH v4 05/21] DT: tegra: add binding for the " Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 06/21] ARM: tegra: remove old LIC support Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 07/21] genirq: Add irqchip_set_wake_parent Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 08/21] irqchip: crossbar: convert dra7 crossbar to stacked domains Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 09/21] DT: update ti,irq-crossbar binding Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 10/21] irqchip: GIC: get rid of routable domain Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 11/21] DT: arm,gic: kill arm,routable-irqs Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 12/21] DT: omap4/5: add binding for the wake-up generator Marc Zyngier
2015-01-21 16:26 ` Tony Lindgren
2015-01-19 9:44 ` [PATCH v4 13/21] ARM: omap: convert wakeupgen to stacked domains Marc Zyngier
2015-01-21 16:30 ` Tony Lindgren [this message]
2015-01-21 17:22 ` Marc Zyngier
2015-01-21 18:36 ` Tony Lindgren
2015-01-21 20:12 ` santosh shilimkar
2015-01-21 20:43 ` Tony Lindgren
2015-01-21 21:28 ` santosh shilimkar
2015-01-21 21:37 ` Tony Lindgren
2015-01-19 9:44 ` [PATCH v4 14/21] ARM: imx6: convert GPC " Marc Zyngier
2015-01-19 10:47 ` Lucas Stach
2015-01-19 11:12 ` Marc Zyngier
2015-01-20 11:19 ` Shawn Guo
2015-01-19 9:44 ` [PATCH v4 15/21] ARM: exynos4/5: convert pmu wakeup " Marc Zyngier
2015-01-20 7:42 ` Pankaj Dubey
2015-01-20 9:43 ` Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 16/21] DT: exynos: update PMU binding Marc Zyngier
2015-01-20 7:47 ` Pankaj Dubey
2015-01-19 9:44 ` [PATCH v4 17/21] irqchip: gic: add an entry point to set up irqchip flags Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 18/21] ARM: shmobile: remove use of gic_arch_extn.irq_set_wake Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 19/21] ARM: ux500: switch from gic_arch_extn to gic_set_irqchip_flags Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 20/21] ARM: zynq: " Marc Zyngier
2015-01-19 9:44 ` [PATCH v4 21/21] irqchip: gic: Drop support for gic_arch_extn Marc Zyngier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150121163031.GR7718@atomide.com \
--to=tony@atomide.com \
--cc=bcousson@baylibre.com \
--cc=gnurou@gmail.com \
--cc=horms@verge.net.au \
--cc=jason@lakedaemon.net \
--cc=kernel@pengutronix.de \
--cc=kgene.kim@samsung.com \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-omap@vger.kernel.org \
--cc=linux-samsung-soc@vger.kernel.org \
--cc=magnus.damm@gmail.com \
--cc=marc.zyngier@arm.com \
--cc=mark.rutland@arm.com \
--cc=michal.simek@xilinx.com \
--cc=nm@ti.com \
--cc=pankaj.dubey@samsung.com \
--cc=robh+dt@kernel.org \
--cc=shawn.guo@linaro.org \
--cc=ssantosh@kernel.org \
--cc=stefan@agner.ch \
--cc=swarren@wwwdotorg.org \
--cc=tglx@linutronix.de \
--cc=thierry.reding@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).