From: Nishanth Menon <nm@ti.com>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>,
Thierry Reding <thierry.reding@gmail.com>,
Alexandre Courbot <gnurou@gmail.com>,
Benoit Cousson <bcousson@baylibre.com>,
Tony Lindgren <tony@atomide.com>,
Santosh Shilimkar <ssantosh@kernel.org>,
Shawn Guo <shawn.guo@linaro.org>,
Sascha Hauer <kernel@pengutronix.de>,
Kukjin Kim <kgene.kim@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>,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH v2 12/21] ARM: omap: convert wakeupgen to stacked domains
Date: Thu, 8 Jan 2015 10:44:20 -0600 [thread overview]
Message-ID: <20150108164420.GB25986@kahuna> (raw)
In-Reply-To: <1420652576-22309-13-git-send-email-marc.zyngier@arm.com>
On 17:42-20150107, Marc Zyngier wrote:
> 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
> 294: 0 0 WUGEN 20 gpmc
> 297: 506 0 WUGEN 56 48070000.i2c
> 298: 0 0 WUGEN 57 48072000.i2c
> 299: 0 0 WUGEN 61 48060000.i2c
> 300: 0 0 WUGEN 62 4807a000.i2c
> 301: 8 0 WUGEN 60 4807c000.i2c
> 308: 2439 0 WUGEN 74 OMAP UART2
> 312: 362 0 WUGEN 83 mmc2
> 313: 502 0 WUGEN 86 mmc0
> 314: 13 0 WUGEN 94 mmc1
> 350: 0 0 PRCM pinctrl, pinctrl
> 406: 35155709 0 GIC 109 ehci_hcd:usb1
> 407: 0 0 WUGEN 7 palmas
> 409: 0 0 WUGEN 119 twl6040
> 410: 0 0 twl6040 5 twl6040_irq_ready
> 411: 0 0 twl6040 0 twl6040_irq_th
> IPI0: 0 1 CPU wakeup interrupts
> IPI1: 0 0 Timer broadcast interrupts
> IPI2: 95334 902334 Rescheduling interrupts
> IPI3: 0 0 Function call interrupts
> IPI4: 479 648 Single function call interrupts
> IPI5: 0 0 CPU stop interrupts
> IPI6: 0 0 IRQ work interrupts
> IPI7: 0 0 completion interrupts
> Err: 0
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
> arch/arm/boot/dts/am4372.dtsi | 11 ++-
> arch/arm/boot/dts/dra7.dtsi | 12 ++-
> arch/arm/boot/dts/dra72x.dtsi | 2 +-
> arch/arm/boot/dts/dra74x.dtsi | 2 +-
> 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 | 24 ++++--
> arch/arm/mach-omap2/omap-wakeupgen.c | 125 +++++++++++++++++++++++-------
> arch/arm/mach-omap2/omap-wakeupgen.h | 1 -
> arch/arm/mach-omap2/omap4-common.c | 1 -
> 15 files changed, 154 insertions(+), 65 deletions(-)
we may need the following changes as well:
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 7eaae4cf9f89..69f2313a49d1 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -280,7 +280,6 @@
reg = <0x24>;
compatible = "ti,tps65218";
interrupts = <GIC_SPI 7 IRQ_TYPE_NONE>; /* NMIn */
- interrupt-parent = <&gic>;
interrupt-controller;
#interrupt-cells = <2>;
diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts
index 53bbfc90b26a..029badefad3d 100644
--- a/arch/arm/boot/dts/am437x-sk-evm.dts
+++ b/arch/arm/boot/dts/am437x-sk-evm.dts
@@ -334,7 +334,6 @@
tps@24 {
compatible = "ti,tps65218";
reg = <0x24>;
- interrupt-parent = <&gic>;
interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <2>;
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 662261d6b2ca..2d26bc11bad6 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -333,7 +333,6 @@
reg = <0x24>;
compatible = "ti,tps65218";
interrupts = <GIC_SPI 7 IRQ_TYPE_NONE>; /* NMIn */
- interrupt-parent = <&gic>;
interrupt-controller;
#interrupt-cells = <2>;
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts
index 49edbda68cd5..c2241c2e5d9d 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
@@ -335,7 +335,6 @@
mcp_rtc: rtc@6f {
compatible = "microchip,mcp7941x";
reg = <0x6f>;
- interrupt-parent = <&gic>;
interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_LOW>; /* IRQ_SYS_1N */
pinctrl-names = "default";
@@ -358,7 +357,7 @@
&uart3 {
status = "okay";
- interrupts-extended = <&gic GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
+ interrupts-extended = <&crossbar_mpu GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
<&dra7_pmx_core 0x248>;
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index f9c75c782c48..b056156e2a7a 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -893,14 +893,12 @@
usbhsohci: ohci@4a064800 {
compatible = "ti,ohci-omap3";
reg = <0x4a064800 0x400>;
- interrupt-parent = <&gic>;
interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
};
usbhsehci: ehci@4a064c00 {
compatible = "ti,ehci-omap";
reg = <0x4a064c00 0x400>;
- interrupt-parent = <&gic>;
interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
};
};
Also saw the following checkpatch warnings at this point - but, I
suppose they were pre-existing.
@@ -0,0 +1,26 @@
+WARNING: DT compatible string "ti,omap4-wugen-mpu" appears un-documented -- check ./Documentation/devicetree/bindings/
+#95: FILE: arch/arm/boot/dts/am4372.dtsi:55:
++ compatible = "ti,omap4-wugen-mpu";
+WARNING: DT compatible string "ti,omap5-wugen-mpu" appears un-documented -- check ./Documentation/devicetree/bindings/
+#112: FILE: arch/arm/boot/dts/dra7.dtsi:68:
++ compatible = "ti,omap5-wugen-mpu", "ti,omap4-wugen-mpu";
+WARNING: DT compatible string "ti,omap4-wugen-mpu" appears un-documented -- check ./Documentation/devicetree/bindings/
+#112: FILE: arch/arm/boot/dts/dra7.dtsi:68:
++ compatible = "ti,omap5-wugen-mpu", "ti,omap4-wugen-mpu";
+WARNING: line over 80 characters
+#127: FILE: arch/arm/boot/dts/dra7.dtsi:103:
++ <&wakeupgen GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+WARNING: DT compatible string "ti,omap4-wugen-mpu" appears un-documented -- check ./Documentation/devicetree/bindings/
+#320: FILE: arch/arm/boot/dts/omap4.dtsi:78:
++ compatible = "ti,omap4-wugen-mpu";
+WARNING: DT compatible string "ti,omap5-wugen-mpu" appears un-documented -- check ./Documentation/devicetree/bindings/
+#416: FILE: arch/arm/boot/dts/omap5.dtsi:103:
++ compatible = "ti,omap5-wugen-mpu", "ti,omap4-wugen-mpu";
+WARNING: DT compatible string "ti,omap4-wugen-mpu" appears un-documented -- check ./Documentation/devicetree/bindings/
+#416: FILE: arch/arm/boot/dts/omap5.dtsi:103:
++ compatible = "ti,omap5-wugen-mpu", "ti,omap4-wugen-mpu";
+WARNING: line over 80 characters
+#600: FILE: arch/arm/mach-omap2/omap-wakeupgen.c:441:
++ return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &parent_args);
--
Regards,
Nishanth Menon
next prev parent reply other threads:[~2015-01-08 16:45 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-07 17:42 [PATCH v2 00/21] irqchip: gic: killing gic_arch_extn and co, slowly Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 01/21] ARM: tegra: irq: nuke leftovers from non-DT support Marc Zyngier
2015-01-08 8:56 ` Thierry Reding
2015-01-07 17:42 ` [PATCH v2 02/21] irqchip: tegra: add DT-based support for legacy interrupt controller Marc Zyngier
2015-01-08 10:13 ` Thierry Reding
2015-01-08 15:06 ` Nishanth Menon
2015-01-10 12:28 ` Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 03/21] ARM: tegra: skip gic_arch_extn setup if DT has a LIC node Marc Zyngier
2015-01-08 10:16 ` Thierry Reding
2015-01-07 17:42 ` [PATCH v2 04/21] ARM: tegra: update DTs to expose legacy interrupt controller Marc Zyngier
2015-01-08 10:41 ` Thierry Reding
2015-01-10 12:37 ` Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 05/21] DT: tegra: add binding for the " Marc Zyngier
2015-01-08 10:51 ` Thierry Reding
2015-01-08 15:12 ` Nishanth Menon
2015-01-07 17:42 ` [PATCH v2 06/21] ARM: tegra: remove old LIC support Marc Zyngier
2015-01-08 11:29 ` Thierry Reding
2015-01-10 12:43 ` Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 07/21] genirq: Add irqchip_set_wake_parent Marc Zyngier
2015-01-08 15:15 ` Nishanth Menon
2015-01-10 12:46 ` Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 08/21] irqchip: crossbar: convert dra7 crossbar to stacked domains Marc Zyngier
2015-01-08 14:39 ` Nishanth Menon
2015-01-10 12:59 ` Marc Zyngier
2015-01-08 15:20 ` Nishanth Menon
2015-01-07 17:42 ` [PATCH v2 09/21] DT: update ti,irq-crossbar binding Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 10/21] irqchip: GIC: get rid of routable domain Marc Zyngier
2015-01-08 16:13 ` Nishanth Menon
2015-01-07 17:42 ` [PATCH v2 11/21] DT: arm,gic: kill arm,routable-irqs Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 12/21] ARM: omap: convert wakeupgen to stacked domains Marc Zyngier
2015-01-08 16:44 ` Nishanth Menon [this message]
2015-01-10 13:17 ` Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 13/21] DT: omap4/5: add binding for the wake-up generator Marc Zyngier
2015-01-08 16:52 ` Nishanth Menon
2015-01-10 13:22 ` Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 14/21] ARM: imx6: convert GPC to stacked domains Marc Zyngier
2015-01-08 16:57 ` Nishanth Menon
2015-01-09 17:40 ` Stefan Agner
2015-01-10 13:34 ` Marc Zyngier
2015-01-10 14:16 ` Stefan Agner
2015-01-07 17:42 ` [PATCH v2 15/21] ARM: exynos4/5: convert pmu wakeup " Marc Zyngier
2015-01-08 16:58 ` Nishanth Menon
2015-01-07 17:42 ` [PATCH v2 16/21] DT: exynos: update PMU binding Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 17/21] irqchip: gic: add an entry point to set up irqchip flags Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 18/21] ARM: shmobile: remove use of gic_arch_extn.irq_set_wake Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 19/21] ARM: ux500: switch from gic_arch_extn to gic_set_irqchip_flags Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 20/21] ARM: zynq: " Marc Zyngier
2015-01-07 17:42 ` [PATCH v2 21/21] irqchip: gic: Drop support for gic_arch_extn Marc Zyngier
2015-01-07 18:45 ` [PATCH v2 00/21] irqchip: gic: killing gic_arch_extn and co, slowly santosh shilimkar
2015-01-08 3:31 ` Nishanth Menon
2015-01-10 13:45 ` Marc Zyngier
2015-01-12 14:14 ` Rob Herring
2015-01-12 15:39 ` Marc Zyngier
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