From: Tony Lindgren <tony@atomide.com>
To: santosh shilimkar <santosh.shilimkar@oracle.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>,
Stephen Warren <swarren@wwwdotorg.org>,
Thierry Reding <thierry.reding@gmail.com>,
Alexandre Courbot <gnurou@gmail.com>,
Benoit Cousson <bcousson@baylibre.com>,
Nishanth Menon <nm@ti.com>,
Santosh Shilimkar <ssantosh@kernel.org>,
Shawn Guo <shawn.guo@linaro.org>,
Sascha Hauer <kernel@pengutronix.de>,
Kukjin Kim <kgene.kim@samsung.com>,
Pankaj Dubey <pankaj.dubey@samsung.com>,
Simon Horman <horms@verge.net.au>,
Magnus Damm <magnus.damm@gmail.com>,
Linus Walleij <linus.walleij@linaro.org>,
Michal Simek <michal.simek@xilinx.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <Mark.Rutland@arm.com>,
Jason Cooper <jason@lakedaemon.net>,
Thomas Gleixner <tglx@linutronix.de>,
Stefan Agner <stefan@agner.ch>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-samsung-soc@vger.kernel.org" <linux-s>
Subject: Re: [PATCH v4 13/21] ARM: omap: convert wakeupgen to stacked domains
Date: Wed, 21 Jan 2015 12:43:47 -0800 [thread overview]
Message-ID: <20150121204347.GT7718@atomide.com> (raw)
In-Reply-To: <54C00832.1070807@oracle.com>
* santosh shilimkar <santosh.shilimkar@oracle.com> [150121 12:16]:
> On 1/21/2015 10:36 AM, Tony Lindgren wrote:
> >* Marc Zyngier <marc.zyngier@arm.com> [150121 09:25]:
> >>On 21/01/15 16:30, Tony Lindgren wrote:
> >>
> >>>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
> >>
> >>Interesting. No TWD timer on this one?
> >
> >Good question, adding Felipe to cc. It eems to be there in
> >the TRM in "Table 2-3. L4_PER Peripheral Memory Map" as
> >MPU_PRV_TIMERS. Also seems to actually work with the
> >attached patch:
> >
> TWD is useless on this machine since single core and TWD
> as know die in low power states. All the broadcast stuff
> is for SMP machines.
Hmm it seems we should still use TWD during runtime and
swich over to the gptimer for idle states for wake-up
events.
Regards,
Tony
next prev parent reply other threads:[~2015-01-21 20:43 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
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 [this message]
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
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