From: Alim Akhtar <alim.akhtar@samsung.com> To: Krzysztof Kozlowski <k.kozlowski@samsung.com>, Alim Akhtar <alim.akhtar@gmail.com> Cc: Javier Martinez Canillas <javier@osg.samsung.com>, Markus Reichl <m.reichl@fivetechno.de>, "linux-samsung-soc@vger.kernel.org" <linux-samsung-soc@vger.kernel.org>, kgene <kgene@kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, Tobias Jakobi <tjakobi@math.uni-bielefeld.de>, Ulf Hansson <ulf.hansson@linaro.org> Subject: Re: [PATCH v2 0/6] Switch to generic syscon regmap based drivers Date: Fri, 20 Nov 2015 10:38:04 +0530 [thread overview] Message-ID: <564EAAB4.1050009@samsung.com> (raw) In-Reply-To: <564E6D5D.60607@samsung.com> Hi Krzysztof, On 11/20/2015 06:16 AM, Krzysztof Kozlowski wrote: > On 20.11.2015 03:06, Alim Akhtar wrote: >> Hi Krzysztof/Ulf/Kukjin >> >> On Thu, Oct 22, 2015 at 5:47 AM, Krzysztof Kozlowski >> <k.kozlowski@samsung.com> wrote: >>> On 22.10.2015 00:01, Alim Akhtar wrote: >>>> On Wed, Oct 21, 2015 at 8:25 PM, Javier Martinez Canillas >>>> <javier@osg.samsung.com> wrote: >>>>> Hello Alim, >>>>> >>>>> On 10/21/2015 04:50 PM, Alim Akhtar wrote: >>>>> >>>>> [snip] >>>>> >>>>>>> >>>>>>> [0]: >>>>>>> From c9b250ee03bae338339b70693e906145c719f783 Mon Sep 17 00:00:00 2001 >>>>>>> From: Javier Martinez Canillas <javier@osg.samsung.com> >>>>>>> Date: Wed, 21 Oct 2015 11:59:44 +0200 >>>>>>> Subject: [RFT PATCH] mmc: pwrseq: Use highest priority for eMMC restart >>>>>>> handler >>>>>>> >>>>>>> The pwrseq_emmc driver does a eMMC card reset before a system reboot to >>>>>>> allow broken or limited ROM boot-loaders, that don't have an eMMC reset >>>>>>> logic, to be able to read the second stage from the eMMC. >>>>>>> >>>>>>> But this has to be called before a system reboot handler and while most >>>>>>> of them use the priority 128, there are other restart handlers (such as >>>>>>> the syscon-reboot one) that use a higher priority. So, use the highest >>>>>>> priority to make sure that the eMMC hw is reset before a system reboot. >>>>>>> >>>>>>> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> >>>>>>> --- >>>>>> Looks good. >>>>>> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> >>>>>> >>>>> >>> >>> +Cc Ulf, >>> >>> Javier, >>> >>> First of all, thanks Javier for digging into the issue. Actually I have >>> Odroid U3 but because of user-space limitations (which I need for other >>> work) I cannot test all of mainline patches there. >>> >>> >>>>> Thanks, should I post it as a proper patch or are adding it to your >>>>> series? >>>> Suggest you to post as a patch collecting {Tested, Reviewed}-by (easy >>>> for maintainers to pickup ) and probably CCing Ulf for his feedback. >>>> >>>>> I think the latter is more reasonable so with an ack from Ulf, >>>>> all patches can go through the linux-samsung tree. >>>>> >>>> yes, that is reasonable, as I said, let Krzysztof and Ulf take a call here. >>> >>> Javier, Alim, Ulf, >>> >>> I am not grabbing any more patches for v4.4 because I doubt that they >>> could be merged to arm-soc for this cycle. My last pull requests for >>> v4.4 is still pending... >>> >>> This means that I plan to pick up these series for v4.5, after closing >>> v4.4 merge window (unless Kukjin picks it also). Because of that, we >>> have plenty of time, so my idea is: >>> 1. Wait for some comments from Ulf on Javier's fix. >>> 2. If the fix goes into v4.4, then problem solved. >>> 3. If not and it get acked, then it can go with this set. >>> 4. If not and it get applied by Ulf for v4.5, then a tag from him would >>> be a nice way to solve dependency. >>> >>> Either way we don't have to hurry, I think. >>> >> >> Is It the right time to get this series in? >> Thanks!! > > I started applying it but stopped at #5. It should be squashed with #6 > to get rid of (not important) conflict between syscon reboot and > existing Exynos restart handler: > > syscon-poweroff syscon-poweroff: pm_power_off already claimed c001e52c > exynos_power_off > syscon-poweroff: probe of syscon-poweroff failed with error -16 > > The conflict is not really an issue because of ordering of init calls > the Exynos will register itself before syscon. Nevertheless splitting > the patches does not really make sense... so please merge #5 with #6. > Hmm...nice catch..will send v3 shortly after merging patch #5 and #6. > Best regards, > Krzysztof > >
WARNING: multiple messages have this Message-ID (diff)
From: alim.akhtar@samsung.com (Alim Akhtar) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 0/6] Switch to generic syscon regmap based drivers Date: Fri, 20 Nov 2015 10:38:04 +0530 [thread overview] Message-ID: <564EAAB4.1050009@samsung.com> (raw) In-Reply-To: <564E6D5D.60607@samsung.com> Hi Krzysztof, On 11/20/2015 06:16 AM, Krzysztof Kozlowski wrote: > On 20.11.2015 03:06, Alim Akhtar wrote: >> Hi Krzysztof/Ulf/Kukjin >> >> On Thu, Oct 22, 2015 at 5:47 AM, Krzysztof Kozlowski >> <k.kozlowski@samsung.com> wrote: >>> On 22.10.2015 00:01, Alim Akhtar wrote: >>>> On Wed, Oct 21, 2015 at 8:25 PM, Javier Martinez Canillas >>>> <javier@osg.samsung.com> wrote: >>>>> Hello Alim, >>>>> >>>>> On 10/21/2015 04:50 PM, Alim Akhtar wrote: >>>>> >>>>> [snip] >>>>> >>>>>>> >>>>>>> [0]: >>>>>>> From c9b250ee03bae338339b70693e906145c719f783 Mon Sep 17 00:00:00 2001 >>>>>>> From: Javier Martinez Canillas <javier@osg.samsung.com> >>>>>>> Date: Wed, 21 Oct 2015 11:59:44 +0200 >>>>>>> Subject: [RFT PATCH] mmc: pwrseq: Use highest priority for eMMC restart >>>>>>> handler >>>>>>> >>>>>>> The pwrseq_emmc driver does a eMMC card reset before a system reboot to >>>>>>> allow broken or limited ROM boot-loaders, that don't have an eMMC reset >>>>>>> logic, to be able to read the second stage from the eMMC. >>>>>>> >>>>>>> But this has to be called before a system reboot handler and while most >>>>>>> of them use the priority 128, there are other restart handlers (such as >>>>>>> the syscon-reboot one) that use a higher priority. So, use the highest >>>>>>> priority to make sure that the eMMC hw is reset before a system reboot. >>>>>>> >>>>>>> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> >>>>>>> --- >>>>>> Looks good. >>>>>> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> >>>>>> >>>>> >>> >>> +Cc Ulf, >>> >>> Javier, >>> >>> First of all, thanks Javier for digging into the issue. Actually I have >>> Odroid U3 but because of user-space limitations (which I need for other >>> work) I cannot test all of mainline patches there. >>> >>> >>>>> Thanks, should I post it as a proper patch or are adding it to your >>>>> series? >>>> Suggest you to post as a patch collecting {Tested, Reviewed}-by (easy >>>> for maintainers to pickup ) and probably CCing Ulf for his feedback. >>>> >>>>> I think the latter is more reasonable so with an ack from Ulf, >>>>> all patches can go through the linux-samsung tree. >>>>> >>>> yes, that is reasonable, as I said, let Krzysztof and Ulf take a call here. >>> >>> Javier, Alim, Ulf, >>> >>> I am not grabbing any more patches for v4.4 because I doubt that they >>> could be merged to arm-soc for this cycle. My last pull requests for >>> v4.4 is still pending... >>> >>> This means that I plan to pick up these series for v4.5, after closing >>> v4.4 merge window (unless Kukjin picks it also). Because of that, we >>> have plenty of time, so my idea is: >>> 1. Wait for some comments from Ulf on Javier's fix. >>> 2. If the fix goes into v4.4, then problem solved. >>> 3. If not and it get acked, then it can go with this set. >>> 4. If not and it get applied by Ulf for v4.5, then a tag from him would >>> be a nice way to solve dependency. >>> >>> Either way we don't have to hurry, I think. >>> >> >> Is It the right time to get this series in? >> Thanks!! > > I started applying it but stopped at #5. It should be squashed with #6 > to get rid of (not important) conflict between syscon reboot and > existing Exynos restart handler: > > syscon-poweroff syscon-poweroff: pm_power_off already claimed c001e52c > exynos_power_off > syscon-poweroff: probe of syscon-poweroff failed with error -16 > > The conflict is not really an issue because of ordering of init calls > the Exynos will register itself before syscon. Nevertheless splitting > the patches does not really make sense... so please merge #5 with #6. > Hmm...nice catch..will send v3 shortly after merging patch #5 and #6. > Best regards, > Krzysztof > >
next prev parent reply other threads:[~2015-11-20 5:08 UTC|newest] Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-10-20 9:24 [PATCH v2 0/6] Switch to generic syscon regmap based drivers Alim Akhtar 2015-10-20 9:24 ` Alim Akhtar 2015-10-20 9:24 ` [PATCH v2 1/6] arm: dts: Add syscon-{reboot, poweroff} nodes for exynos3250 SoCs Alim Akhtar 2015-10-20 9:24 ` Alim Akhtar [not found] ` <1445333085-22837-2-git-send-email-alim.akhtar-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-11-20 0:20 ` Krzysztof Kozlowski 2015-11-20 0:20 ` Krzysztof Kozlowski 2015-10-20 9:24 ` [PATCH v2 2/6] arm: dts: Add syscon-{reboot, poweroff} nodes for exynos4 Alim Akhtar 2015-10-20 9:24 ` Alim Akhtar 2015-11-20 0:20 ` Krzysztof Kozlowski 2015-11-20 0:20 ` Krzysztof Kozlowski 2015-10-20 9:24 ` [PATCH v2 3/6] arm: dts: Add syscon-{reboot, poweroff} nodes for exynos5 Alim Akhtar 2015-10-20 9:24 ` Alim Akhtar 2015-10-20 10:30 ` Javier Martinez Canillas 2015-10-20 10:30 ` Javier Martinez Canillas 2015-10-21 11:55 ` Anand Moon 2015-10-21 11:55 ` Anand Moon 2015-11-20 0:22 ` Krzysztof Kozlowski 2015-11-20 0:22 ` Krzysztof Kozlowski 2015-10-20 9:24 ` [PATCH v2 4/6] arm: dts: Add syscon-{reboot, poweroff} nodes for exynos5410 SoC Alim Akhtar 2015-10-20 9:24 ` Alim Akhtar 2015-11-20 0:21 ` Krzysztof Kozlowski 2015-11-20 0:21 ` Krzysztof Kozlowski [not found] ` <1445333085-22837-1-git-send-email-alim.akhtar-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-10-20 9:24 ` [PATCH v2 5/6] ARM: exynos: select POWER_RESET_SYSCON and POWER_RESET_SYSCON_POWEROFF Alim Akhtar 2015-10-20 9:24 ` Alim Akhtar 2015-10-20 10:30 ` Javier Martinez Canillas 2015-10-20 10:30 ` Javier Martinez Canillas 2015-10-21 0:14 ` Krzysztof Kozlowski 2015-10-21 0:14 ` Krzysztof Kozlowski 2015-10-20 9:24 ` [PATCH v2 6/6] ARM: EXYNOS: Remove code for restart and poweroff for exynos SoCs Alim Akhtar 2015-10-20 9:24 ` Alim Akhtar 2015-10-20 10:31 ` Javier Martinez Canillas 2015-10-20 10:31 ` Javier Martinez Canillas 2015-10-20 10:29 ` [PATCH v2 0/6] Switch to generic syscon regmap based drivers Javier Martinez Canillas 2015-10-20 10:29 ` Javier Martinez Canillas 2015-10-20 14:59 ` Markus Reichl 2015-10-20 14:59 ` Markus Reichl [not found] ` <562656D4.1040403-SRyzfwRm/0rPTwkrwQOX7A@public.gmane.org> 2015-10-20 15:47 ` Alim Akhtar 2015-10-20 15:47 ` Alim Akhtar [not found] ` <CAGOxZ50G-ttivhVjbozUisA0HXcFz7bvRUuPR67xR88TTCa_wQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-10-20 15:52 ` Alim Akhtar 2015-10-20 15:52 ` Alim Akhtar 2015-10-20 17:23 ` Markus Reichl 2015-10-20 17:23 ` Markus Reichl 2015-10-21 6:09 ` Alim Akhtar 2015-10-21 6:09 ` Alim Akhtar [not found] ` <56272C1C.8040007-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-10-21 10:16 ` Javier Martinez Canillas 2015-10-21 10:16 ` Javier Martinez Canillas 2015-10-21 10:42 ` Markus Reichl 2015-10-21 10:42 ` Markus Reichl 2015-10-21 10:46 ` Alim Akhtar 2015-10-21 10:46 ` Alim Akhtar 2015-10-21 11:46 ` Anand Moon 2015-10-21 11:46 ` Anand Moon 2015-10-21 13:25 ` Javier Martinez Canillas 2015-10-21 13:25 ` Javier Martinez Canillas 2015-10-21 10:44 ` Alim Akhtar 2015-10-21 10:44 ` Alim Akhtar 2015-10-21 13:23 ` Javier Martinez Canillas 2015-10-21 13:23 ` Javier Martinez Canillas [not found] ` <562791D4.3050105-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org> 2015-10-21 14:56 ` Alim Akhtar 2015-10-21 14:56 ` Alim Akhtar 2015-10-21 14:50 ` Alim Akhtar 2015-10-21 14:50 ` Alim Akhtar 2015-10-21 14:55 ` Javier Martinez Canillas 2015-10-21 14:55 ` Javier Martinez Canillas 2015-10-21 15:01 ` Alim Akhtar 2015-10-21 15:01 ` Alim Akhtar 2015-10-22 0:17 ` Krzysztof Kozlowski 2015-10-22 0:17 ` Krzysztof Kozlowski 2015-10-22 3:54 ` Alim Akhtar 2015-10-22 3:54 ` Alim Akhtar 2015-11-19 18:06 ` Alim Akhtar 2015-11-19 18:06 ` Alim Akhtar 2015-11-19 18:18 ` Javier Martinez Canillas 2015-11-19 18:18 ` Javier Martinez Canillas 2015-11-20 0:46 ` Krzysztof Kozlowski 2015-11-20 0:46 ` Krzysztof Kozlowski 2015-11-20 5:08 ` Alim Akhtar [this message] 2015-11-20 5:08 ` Alim Akhtar [not found] ` <5627A75E.60509-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org> 2015-10-23 18:52 ` Kukjin Kim 2015-10-23 18:52 ` Kukjin Kim [not found] ` <562A8209.7090305-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> 2015-10-23 18:59 ` Kukjin Kim 2015-10-23 18:59 ` Kukjin Kim 2015-10-21 0:08 ` Krzysztof Kozlowski 2015-10-21 0:08 ` Krzysztof Kozlowski
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