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From: Jarkko Nikula <jarkko.nikula@linux.intel.com>
To: Mika Westerberg <mika.westerberg@linux.intel.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
	Wolfram Sang <wsa@the-dreams.de>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Linux PM <linux-pm@vger.kernel.org>,
	Kevin Hilman <khilman@kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Jisheng Zhang <jszhang@marvell.com>,
	John Stultz <john.stultz@linaro.org>,
	Guodong Xu <guodong.xu@linaro.org>,
	Sumit Semwal <sumit.semwal@linaro.org>,
	Haojian Zhuang <haojian.zhuang@linaro.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	linux-i2c <linux-i2c@vger.kernel.org>,
	stable@vger.linux.org
Subject: Re: [PATCH 1/9] i2c: designware: Fix system suspend
Date: Tue, 27 Jun 2017 10:55:12 +0300	[thread overview]
Message-ID: <a7881812-0da6-478c-7eed-faf8a6e30891@linux.intel.com> (raw)
In-Reply-To: <5540bae1-b1bf-0e15-1fa0-977076fa0753@linux.intel.com>

On 06/22/2017 02:16 PM, Jarkko Nikula wrote:
> On 06/22/2017 01:49 PM, Mika Westerberg wrote:
>> On Thu, Jun 22, 2017 at 01:31:51AM +0200, Rafael J. Wysocki wrote:
>>> On Wed, Jun 21, 2017 at 9:21 PM, Ulf Hansson <ulf.hansson@linaro.org>
>>> wrote:
>> Thanks Ulf for taking care of this!
>>
> Indeed!
>
>> I tested this series on Dell XPS 9350 which has touch panel connected to
>> I2C and suspend/resume still works fine and I can see the controller
>> going to D3 when the touch panel is idle.
>>
>> I can perform more comprehensive testing next week.
>>
> Unfortunately I'm seeing interrupt storm during suspend/resume on
> platform using PM domain from drivers/acpi/acpi_lpss.c straight after
> this patch. Maybe some timing related as I see it only if I have debug
> messages on (i2c_designware_core.dyndbg=+p). But it occurs only after
> this patch.
>
Sorry the noise, this was bogus. That platform is doing this interrupt 
storm randomly and it occurs also without the patch.

-- 
Jarkko

  reply	other threads:[~2017-06-27  7:55 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-21 19:21 [PATCH 0/9] PM / ACPI / i2c: Fix system suspend and deploy runtime PM centric path for ACPI Ulf Hansson
2017-06-21 19:21 ` [PATCH 1/9] i2c: designware: Fix system suspend Ulf Hansson
2017-06-21 23:31   ` Rafael J. Wysocki
2017-06-22 10:49     ` Mika Westerberg
2017-06-22 11:16       ` Jarkko Nikula
2017-06-27  7:55         ` Jarkko Nikula [this message]
2017-06-28 14:01           ` Ulf Hansson
2017-06-28 14:51             ` Rafael J. Wysocki
2017-06-28 15:06               ` Ulf Hansson
2017-06-22 14:41       ` Rafael J. Wysocki
2017-06-22 21:37         ` Ulf Hansson
2017-06-22 22:01           ` Rafael J. Wysocki
2017-06-26 16:49             ` Ulf Hansson
2017-06-26 19:39               ` Grygorii Strashko
2017-06-26 21:11                 ` Rafael J. Wysocki
2017-06-27  7:33                   ` Jarkko Nikula
2017-06-27 15:25                   ` Rafael J. Wysocki
2017-06-28 14:31                 ` Ulf Hansson
2017-06-28 16:52                   ` Grygorii Strashko
2017-09-08  3:23   ` [1/9] " Wangtao (Kevin, Kirin)
2017-09-08  8:29     ` Ulf Hansson
2017-09-12  9:44       ` Wangtao (Kevin, Kirin)
2017-06-21 19:21 ` [PATCH 2/9] PM / ACPI: Restore acpi_subsys_complete() Ulf Hansson
2017-06-21 19:21 ` [PATCH 3/9] PM / Sleep: Remove pm_complete_with_resume_check() Ulf Hansson
2017-06-21 19:21 ` [PATCH 4/9] PM / ACPI: Split code validating need for runtime resume in ->prepare() Ulf Hansson
2017-06-21 21:35   ` Rafael J. Wysocki
2017-06-21 19:21 ` [PATCH 5/9] PM / ACPI: Split acpi_lpss_suspend_late|resume_early() Ulf Hansson
2017-06-21 19:21 ` [PATCH 6/9] PM / ACPI: Provide option to disable direct_complete for ACPI devices Ulf Hansson
2017-06-21 21:42   ` Rafael J. Wysocki
2017-06-22  9:35     ` Ulf Hansson
2017-06-22 14:38       ` Rafael J. Wysocki
2017-06-22 21:29         ` Ulf Hansson
2017-06-22 21:33           ` Rafael J. Wysocki
2017-06-21 19:21 ` [PATCH 7/9] PM / ACPI: Enable the runtime PM centric approach for system sleep Ulf Hansson
2017-06-21 21:47   ` Rafael J. Wysocki
2017-06-22  9:42     ` Ulf Hansson
2017-06-22 14:32       ` Rafael J. Wysocki
2017-06-22 21:14         ` Ulf Hansson
2017-06-22 21:28           ` Rafael J. Wysocki
2017-06-21 19:21 ` [PATCH 8/9] PM / ACPI: Avoid runtime resuming device in acpi_subsys_suspend|freeze() Ulf Hansson
2017-06-21 19:21 ` [PATCH 9/9] i2c: designware: Deploy the runtime PM centric approach for system sleep Ulf Hansson
2017-06-21 22:39 ` [PATCH 0/9] PM / ACPI / i2c: Fix system suspend and deploy runtime PM centric path for ACPI John Stultz

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