From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> To: Simon Horman <horms@verge.net.au> Cc: Geert Uytterhoeven <geert@linux-m68k.org>, linux-renesas-soc@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Kumar Gala <galak@codeaurora.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, Magnus Damm <magnus.damm@gmail.com>, Russell King <linux@arm.linux.org.uk>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: Re: [PATCH 07/13] ARM: dts: r8a7792: initial SoC device tree Date: Wed, 15 Jun 2016 00:08:21 +0300 [thread overview] Message-ID: <efac403f-3709-6a1a-aa02-a8ab26b21ffc@cogentembedded.com> (raw) In-Reply-To: <20160614004317.GC6456@verge.net.au> Hello. On 06/14/2016 03:43 AM, Simon Horman wrote: >>>> [...] >>>> >>>>>>> And that the system behaves sanely on suspend/resume. >>>>>> >>>>>> I'd be thankful if you told me how to test that. :-) >>>>> >>>>> System suspend: >>>>> >>>>> echo mem > /sys/power/state >>>> >>>> Oh. I know that one! :-) >>>> >>>>> System resume: You're gonna need a "wakeup-source" in your DTS, e.g. gpio-keys. >>>>> Serial should work too, echo "enabled" to the corresponding wakeup >>>>> file in /sys first. >>>> >>>> I'm afraid I couldn't find that file. All I saw were RPM controls... >>>> >>>>> In case of issues, try "echo 0 > /sys/module/printk/parameters/console_suspend". >>>> >>>> There's no problems suspending, it's the resuming that's a problem for me. >>>> >>>>> Good luck! >>>> >>>> As usual, there was no luck. :-) >>>> >>>> WBR, Sergei >>> >>> Does resume work for UP (i.e. without SMP)? >> >> No. My problem with resume is I can't wake up the remote system. I don't >> see the needed 'wakeup' file in >> /sys/devices/platform/soc/e6e60000.serial/... >> However, if I enable CONFIG_PM_[ADVANCED_]DEBUG and do >> >> $ echo -n core /sys/.power/pm_test >> >> the system happily wakes up after a small delay (5 s), w/either SMP or UP kernel. > > That seems promising but it seems curious that there is no wakeup file. > > On Lager the following procedure works for me using > renesas-devel-20160613-v4.7-rc3 and shmobile defconfig. > > 0. Add wakeup-source property to serial@e6ce0000 node in DT Ah, stupid me, it was the piece that I'd overlooked! > 1. echo enabled > /sys/devices/platform/e6e60000.serial/tty/ttySC0/power/wakeup > 2. echo mem > /sys/power/state > 3. Provide input on serial console > > * Success! * Yeah, works now! Sorry, I had no previous experience with the PM. Was unsupported feature back in MontaVista... :-) >>> How did testing CPU hotplug go? Did it work for all CPUs? >> >> Sure! > > Great! > >> The only problem I'm seeing (again) is the RCAN clock failing to register: >> >> rcar_gen2_cpg_clocks_init: failed to register cpg_clocks rcan clock (-12) >> >> I was going to look at it yesterday but (wrongly) thought it somehow >> cured itself... I'll look at it now. > > Is this resolved? If not perhaps you could consider removing the node > in question for now. That's what I did in v5, i.e. removed the RCAN CPG clock (not the whole node)... MBR, Sergei
WARNING: multiple messages have this Message-ID (diff)
From: sergei.shtylyov@cogentembedded.com (Sergei Shtylyov) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 07/13] ARM: dts: r8a7792: initial SoC device tree Date: Wed, 15 Jun 2016 00:08:21 +0300 [thread overview] Message-ID: <efac403f-3709-6a1a-aa02-a8ab26b21ffc@cogentembedded.com> (raw) In-Reply-To: <20160614004317.GC6456@verge.net.au> Hello. On 06/14/2016 03:43 AM, Simon Horman wrote: >>>> [...] >>>> >>>>>>> And that the system behaves sanely on suspend/resume. >>>>>> >>>>>> I'd be thankful if you told me how to test that. :-) >>>>> >>>>> System suspend: >>>>> >>>>> echo mem > /sys/power/state >>>> >>>> Oh. I know that one! :-) >>>> >>>>> System resume: You're gonna need a "wakeup-source" in your DTS, e.g. gpio-keys. >>>>> Serial should work too, echo "enabled" to the corresponding wakeup >>>>> file in /sys first. >>>> >>>> I'm afraid I couldn't find that file. All I saw were RPM controls... >>>> >>>>> In case of issues, try "echo 0 > /sys/module/printk/parameters/console_suspend". >>>> >>>> There's no problems suspending, it's the resuming that's a problem for me. >>>> >>>>> Good luck! >>>> >>>> As usual, there was no luck. :-) >>>> >>>> WBR, Sergei >>> >>> Does resume work for UP (i.e. without SMP)? >> >> No. My problem with resume is I can't wake up the remote system. I don't >> see the needed 'wakeup' file in >> /sys/devices/platform/soc/e6e60000.serial/... >> However, if I enable CONFIG_PM_[ADVANCED_]DEBUG and do >> >> $ echo -n core /sys/.power/pm_test >> >> the system happily wakes up after a small delay (5 s), w/either SMP or UP kernel. > > That seems promising but it seems curious that there is no wakeup file. > > On Lager the following procedure works for me using > renesas-devel-20160613-v4.7-rc3 and shmobile defconfig. > > 0. Add wakeup-source property to serial at e6ce0000 node in DT Ah, stupid me, it was the piece that I'd overlooked! > 1. echo enabled > /sys/devices/platform/e6e60000.serial/tty/ttySC0/power/wakeup > 2. echo mem > /sys/power/state > 3. Provide input on serial console > > * Success! * Yeah, works now! Sorry, I had no previous experience with the PM. Was unsupported feature back in MontaVista... :-) >>> How did testing CPU hotplug go? Did it work for all CPUs? >> >> Sure! > > Great! > >> The only problem I'm seeing (again) is the RCAN clock failing to register: >> >> rcar_gen2_cpg_clocks_init: failed to register cpg_clocks rcan clock (-12) >> >> I was going to look at it yesterday but (wrongly) thought it somehow >> cured itself... I'll look at it now. > > Is this resolved? If not perhaps you could consider removing the node > in question for now. That's what I did in v5, i.e. removed the RCAN CPG clock (not the whole node)... MBR, Sergei
next prev parent reply other threads:[~2016-06-14 21:08 UTC|newest] Thread overview: 147+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-05-31 22:06 [PATCH 00/13] Add R8A7794/SILK board eMMC DT support Sergei Shtylyov 2016-05-31 22:06 ` Sergei Shtylyov 2016-05-31 22:09 ` [PATCH 01/13] ARM: shmobile: r8a7792: add clock index macros Sergei Shtylyov 2016-06-01 0:52 ` Simon Horman 2016-06-01 13:57 ` Sergei Shtylyov 2016-06-22 19:52 ` Sergei Shtylyov 2016-06-22 22:33 ` Simon Horman [not found] ` <20160622223330.GA15843-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org> 2016-06-23 7:46 ` Geert Uytterhoeven 2016-06-23 7:46 ` Geert Uytterhoeven 2016-06-23 10:49 ` Sergei Shtylyov 2016-06-23 10:49 ` Sergei Shtylyov [not found] ` <2280165.siMXMbFrFe-gHKXc3Y1Z8zGSmamagVegGFoWSdPRAKMAL8bYrjMMd8@public.gmane.org> 2016-06-01 7:22 ` Geert Uytterhoeven 2016-06-01 7:22 ` Geert Uytterhoeven 2016-06-01 14:09 ` Sergei Shtylyov 2016-05-31 22:11 ` [PATCH 02/13] ARM: shmobile: r8a7792: add power domain " Sergei Shtylyov 2016-06-01 7:32 ` Geert Uytterhoeven 2016-05-31 22:15 ` [PATCH 03/13] soc: renesas: rcar-sysc: add R8A7792 support Sergei Shtylyov 2016-06-01 7:38 ` Geert Uytterhoeven 2016-05-31 22:18 ` [PATCH 04/13] ARM: shmobile: r8a7792: basic SoC support Sergei Shtylyov 2016-05-31 22:18 ` Sergei Shtylyov 2016-06-01 0:25 ` Simon Horman 2016-06-01 0:25 ` Simon Horman 2016-06-01 7:47 ` Geert Uytterhoeven 2016-06-01 7:47 ` Geert Uytterhoeven 2016-06-01 21:00 ` Sergei Shtylyov 2016-06-01 21:00 ` Sergei Shtylyov 2016-06-06 18:59 ` Sergei Shtylyov 2016-06-06 18:59 ` Sergei Shtylyov 2016-05-31 22:20 ` [PATCH 05/13] DT: clock: rcar-gen2-cpg-clocks: document R8A7792 support Sergei Shtylyov 2016-06-01 0:25 ` Simon Horman 2016-06-01 0:30 ` Simon Horman 2016-06-01 7:50 ` Geert Uytterhoeven 2016-06-01 7:48 ` Geert Uytterhoeven 2016-06-03 1:49 ` Rob Herring 2016-05-31 22:21 ` [PATCH 06/13] DT: clock: cpg-mstp-clocks: document-R8A7792-support Sergei Shtylyov 2016-06-01 0:28 ` Simon Horman 2016-06-01 7:51 ` Geert Uytterhoeven 2016-06-03 1:50 ` Rob Herring 2016-05-31 22:24 ` [PATCH 07/13] ARM: dts: r8a7792: initial SoC device tree Sergei Shtylyov 2016-05-31 22:24 ` Sergei Shtylyov 2016-06-01 0:57 ` Simon Horman 2016-06-01 0:57 ` Simon Horman 2016-06-01 14:00 ` Sergei Shtylyov 2016-06-01 14:00 ` Sergei Shtylyov 2016-06-06 22:26 ` Sergei Shtylyov 2016-06-06 22:26 ` Sergei Shtylyov 2016-06-07 7:13 ` Geert Uytterhoeven 2016-06-07 7:13 ` Geert Uytterhoeven 2016-06-07 20:58 ` Sergei Shtylyov 2016-06-07 20:58 ` Sergei Shtylyov 2016-06-10 1:02 ` Simon Horman 2016-06-10 1:02 ` Simon Horman 2016-06-10 19:29 ` Sergei Shtylyov 2016-06-10 19:29 ` Sergei Shtylyov 2016-06-10 20:42 ` Geert Uytterhoeven 2016-06-10 20:42 ` Geert Uytterhoeven 2016-06-10 20:50 ` Sergei Shtylyov 2016-06-10 20:50 ` Sergei Shtylyov 2016-06-13 7:12 ` Geert Uytterhoeven 2016-06-13 7:12 ` Geert Uytterhoeven 2016-06-13 11:24 ` Sergei Shtylyov 2016-06-13 11:24 ` Sergei Shtylyov [not found] ` <7d93d81d-cca9-e434-6488-0ea839f81663-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> 2016-06-13 11:48 ` Geert Uytterhoeven 2016-06-13 11:48 ` Geert Uytterhoeven 2016-06-13 11:48 ` Geert Uytterhoeven 2016-06-14 1:08 ` Kuninori Morimoto 2016-06-14 1:08 ` Kuninori Morimoto 2016-06-17 2:14 ` Kuninori Morimoto 2016-06-17 2:14 ` Kuninori Morimoto 2016-06-17 6:27 ` Geert Uytterhoeven 2016-06-17 6:27 ` Geert Uytterhoeven [not found] ` <8efb1c7e-5463-2556-744c-d327886d92d4-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> 2016-06-14 0:43 ` Simon Horman 2016-06-14 0:43 ` Simon Horman 2016-06-14 0:43 ` Simon Horman 2016-06-14 21:08 ` Sergei Shtylyov [this message] 2016-06-14 21:08 ` Sergei Shtylyov 2016-06-16 0:06 ` Simon Horman 2016-06-16 0:06 ` Simon Horman 2016-06-01 9:23 ` Geert Uytterhoeven 2016-06-01 9:23 ` Geert Uytterhoeven 2016-05-31 22:25 ` [PATCH 08/13] ARM: dts: r8a7792: add SYS-DMAC support Sergei Shtylyov 2016-05-31 22:25 ` Sergei Shtylyov 2016-06-01 1:03 ` Simon Horman 2016-06-01 1:03 ` Simon Horman [not found] ` <5621267.GpvUaW18zI-gHKXc3Y1Z8zGSmamagVegGFoWSdPRAKMAL8bYrjMMd8@public.gmane.org> 2016-06-01 8:15 ` Geert Uytterhoeven 2016-06-01 8:15 ` Geert Uytterhoeven 2016-06-01 8:15 ` Geert Uytterhoeven 2016-05-31 22:26 ` [PATCH 09/13] ARM: dts: r8a7792: add [H]SCIF support Sergei Shtylyov 2016-05-31 22:26 ` Sergei Shtylyov 2016-06-01 1:13 ` Simon Horman 2016-06-01 1:13 ` Simon Horman 2016-06-03 14:33 ` Sergei Shtylyov 2016-06-03 14:33 ` Sergei Shtylyov 2016-06-01 8:17 ` Geert Uytterhoeven 2016-06-01 8:17 ` Geert Uytterhoeven 2016-05-31 22:29 ` [PATCH 10/13] ARM: dts: r8a7792: add IRQC support Sergei Shtylyov 2016-05-31 22:29 ` Sergei Shtylyov 2016-06-01 1:18 ` Simon Horman 2016-06-01 1:18 ` Simon Horman 2016-06-01 14:02 ` Sergei Shtylyov 2016-06-01 14:02 ` Sergei Shtylyov [not found] ` <3573091.BUvyGW3hVt-gHKXc3Y1Z8zGSmamagVegGFoWSdPRAKMAL8bYrjMMd8@public.gmane.org> 2016-06-01 8:17 ` Geert Uytterhoeven 2016-06-01 8:17 ` Geert Uytterhoeven 2016-06-01 8:17 ` Geert Uytterhoeven 2016-05-31 22:30 ` [PATCH 11/13] DT: arm: shmobile: document Blanche board Sergei Shtylyov 2016-05-31 23:51 ` Simon Horman [not found] ` <20160531235119.GA20527-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org> 2016-06-01 13:34 ` Sergei Shtylyov 2016-06-01 13:34 ` Sergei Shtylyov 2016-06-01 8:19 ` Geert Uytterhoeven 2016-06-03 1:50 ` Rob Herring 2016-05-31 22:32 ` [PATCH 12/13] ARM: dts: blanche: initial device tree Sergei Shtylyov 2016-05-31 22:32 ` Sergei Shtylyov 2016-06-01 1:21 ` Simon Horman 2016-06-01 1:21 ` Simon Horman 2016-06-02 21:34 ` Sergei Shtylyov 2016-06-02 21:34 ` Sergei Shtylyov 2016-06-01 8:36 ` Geert Uytterhoeven 2016-06-01 8:36 ` Geert Uytterhoeven 2016-06-01 8:36 ` Geert Uytterhoeven 2016-05-31 22:33 ` [PATCH 13/13] ARM: dts: blanche: add Ethernet support Sergei Shtylyov 2016-05-31 22:33 ` Sergei Shtylyov 2016-06-01 1:24 ` Simon Horman 2016-06-01 1:24 ` Simon Horman [not found] ` <1669958.qjJ7i3NBPv-gHKXc3Y1Z8zGSmamagVegGFoWSdPRAKMAL8bYrjMMd8@public.gmane.org> 2016-06-01 8:22 ` Geert Uytterhoeven 2016-06-01 8:22 ` Geert Uytterhoeven 2016-06-01 8:22 ` Geert Uytterhoeven 2016-06-01 12:16 ` Sergei Shtylyov 2016-06-01 12:16 ` Sergei Shtylyov [not found] ` <a60346f2-2abb-342b-dd20-38d401c4ceb3-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> 2016-06-01 12:27 ` Geert Uytterhoeven 2016-06-01 12:27 ` Geert Uytterhoeven 2016-06-01 12:27 ` Geert Uytterhoeven 2016-06-02 21:33 ` Sergei Shtylyov 2016-06-02 21:33 ` Sergei Shtylyov [not found] ` <13205049.n7pM8utpHF-gHKXc3Y1Z8zGSmamagVegGFoWSdPRAKMAL8bYrjMMd8@public.gmane.org> 2016-06-01 7:04 ` [PATCH 00/13] Add R8A7794/SILK board eMMC DT support Geert Uytterhoeven 2016-06-01 7:04 ` Geert Uytterhoeven 2016-06-01 7:04 ` Geert Uytterhoeven 2016-06-01 10:30 ` Sergei Shtylyov 2016-06-01 10:30 ` Sergei Shtylyov -- strict thread matches above, loose matches on Subject: below -- 2016-05-21 10:17 [PATCH v2 1/2] ip6_gre: Fix MTU setting for ip6gretap Haishuang Yan 2016-05-21 10:17 ` [PATCH v2 2/2] ip6_gre: Set flowi6_proto as IPPROTO_GRE in xmit path Haishuang Yan 2016-05-24 21:34 ` David Miller 2016-05-24 21:34 ` [PATCH v2 2/2] ip6_gre: Set flowi6_proto as IPPROTO_GRE in xmit path., Re: [PATCH] ARM: shmobile: rcar-gen2: Use ICRAM1 for jump stub on all SoCs, [PATCH 12/13] ARM: dts: blanche: initial device tree David Miller, Simon Horman, Sergei Shtylyov 2016-05-24 21:34 ` [PATCH v2 1/2] ip6_gre: Fix MTU setting for ip6gretap David Miller 2016-05-17 15:15 [PATCH] ARM: shmobile: rcar-gen2: Use ICRAM1 for jump stub on all SoCs Geert Uytterhoeven 2016-05-17 15:15 ` Geert Uytterhoeven 2016-05-25 1:01 ` Simon Horman 2016-05-25 1:01 ` Simon Horman
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