From: t-kristo@ti.com (Tero Kristo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 00/19] ARM: OMAP4 device off support
Date: Fri, 20 Apr 2012 18:07:16 +0300 [thread overview]
Message-ID: <1334934436.2149.49.camel@sokoban> (raw)
In-Reply-To: <CANQgH-aL42ka+veae0aPaebt=eA8iyF=ThVXGkOzFhNumKnhtw@mail.gmail.com>
On Fri, 2012-04-20 at 20:21 +0530, Datta, Shubhrajyoti wrote:
> On Fri, Apr 20, 2012 at 8:13 PM, Tero Kristo <t-kristo@ti.com> wrote:
> > On Fri, 2012-04-20 at 06:55 -0700, Kevin Hilman wrote:
> >> Tero Kristo <t-kristo@ti.com> writes:
> >>
> >> [...]
> >>
> >> >> I tried your branch on gp/emu devices but could not reproduce this issue.
> >> >> My observation is that while resuming, omap_hsmmc.1 eMMC is
> >> >> trying to turn on phoenix vaux1 regulator via i2c which fails due
> >> >> to controller timeout.
> >> >> Note: eMMC is present only on sdp/blaze
> >> >
> >> > Did you try this with off-mode enabled and did you check the device
> >> > actually goes to off? (see pm_debug/count and verify core off count is
> >> > increasing.) And as said, I was only able to see this problem on a blaze
> >> > device, panda works fine. But yes, you are probably right and it is not
> >> > an MMC driver issue but I2C.
> >>
> >> Can you try the patch below? It sounds like the same problem.
> >
> > Doesn't help with this one. I guess I2C loses context during device off
> > and it is not restored properly.
> >
> > -Tero
> Could you try the following patch
>
> https://lkml.org/lkml/2012/3/30/345
That does the trick, after this it is working fine on blaze, and this
also fixes the timeout issues seen on panda board (meaning wake-up from
device off is much faster.)
-Tero
next prev parent reply other threads:[~2012-04-20 15:07 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-20 9:33 [PATCH 00/19] ARM: OMAP4 device off support Tero Kristo
2012-04-20 9:33 ` [PATCH 01/19] ARM: OMAP4: PM: save/restore all DPLL settings in OFF mode Tero Kristo
2012-04-23 16:09 ` Jon Hunter
2012-04-25 7:33 ` Tero Kristo
2012-04-25 15:12 ` Jon Hunter
2012-05-04 19:22 ` Tony Lindgren
2012-05-02 10:10 ` Bedia, Vaibhav
2012-05-02 10:18 ` Shilimkar, Santosh
2012-05-02 10:55 ` Bedia, Vaibhav
2012-05-02 11:00 ` Shilimkar, Santosh
2012-05-02 11:40 ` Bedia, Vaibhav
2012-05-02 11:46 ` Shilimkar, Santosh
2012-05-02 11:55 ` Bedia, Vaibhav
2012-05-02 11:47 ` Menon, Nishanth
2012-05-02 11:55 ` Bedia, Vaibhav
2012-05-02 11:58 ` Shilimkar, Santosh
2012-05-02 12:10 ` Bedia, Vaibhav
2012-04-20 9:33 ` [PATCH 02/19] ARM: OMAP4: PM: save/restore all CM1/2 " Tero Kristo
2012-05-09 23:27 ` Kevin Hilman
2012-05-11 14:30 ` Tero Kristo
2012-04-20 9:33 ` [PATCH 03/19] ARM: OMAP4: PM: powerdomain: Add HWSAR flag to L3INIT Tero Kristo
2012-04-20 9:33 ` [PATCH 04/19] ARM: OMAP4: Add SAR ROM base address Tero Kristo
2012-04-20 9:33 ` [PATCH 05/19] ARM: OMAP4: PM: Add SAR backup support towards device OFF Tero Kristo
2012-04-24 16:35 ` Tony Lindgren
2012-04-25 7:18 ` Tero Kristo
2012-04-20 9:33 ` [PATCH 06/19] ARM: OMAP4: Auto generate SAR layout contents Tero Kristo
2012-04-24 16:37 ` Tony Lindgren
2012-04-20 9:33 ` [PATCH 07/19] ARM: OMAP4: SAR: generate overwrite data based on SAR ROM contents Tero Kristo
2012-04-20 9:33 ` [PATCH 08/19] ARM: OMAP4: PM: Add device-off support Tero Kristo
2012-04-24 17:46 ` Jon Hunter
2012-04-25 7:30 ` Tero Kristo
2012-04-20 9:33 ` [PATCH 09/19] ARM: OMAP4: PM: add errata support Tero Kristo
2012-04-20 9:33 ` [PATCH 10/19] ARM: OMAP4: PM: Work-around for ROM code BUG of IVAHD/TESLA Tero Kristo
2012-04-24 17:50 ` Jon Hunter
2012-04-25 7:31 ` Tero Kristo
2012-04-20 9:33 ` [PATCH 11/19] ARM: OMAP4: PM: save/restore CM L3INSTR registers when MPU hits OSWR/OFF mode Tero Kristo
2012-04-24 17:57 ` Jon Hunter
2012-04-25 7:31 ` Tero Kristo
2012-04-20 9:33 ` [PATCH 12/19] ARM: OMAP4: PM: update ROM return address for OSWR and OFF Tero Kristo
2012-04-24 16:39 ` Tony Lindgren
2012-04-25 7:24 ` Tero Kristo
2012-04-20 9:33 ` [PATCH 13/19] ARM: OMAP4: PM: Mark the PPI and SPI interrupts as non-secure for GP Tero Kristo
2012-04-20 9:33 ` [PATCH 14/19] ARM: OMAP4: wakeupgen: enable clocks for save_secure_all Tero Kristo
2012-04-20 9:33 ` [PATCH 15/19] ARM: OMAP4430: PM: workaround for DDR corruption on second CS Tero Kristo
2012-04-24 18:22 ` Jon Hunter
2012-04-25 7:26 ` Tero Kristo
2012-04-25 7:59 ` Shilimkar, Santosh
2012-04-25 15:16 ` Jon Hunter
2012-04-26 6:19 ` Shilimkar, Santosh
2012-04-20 9:33 ` [PATCH 16/19] TEMP: ARM: OMAP4: prevent voltage transitions Tero Kristo
2012-04-20 9:33 ` [PATCH 17/19] ARM: OMAP4: put cpu1 back to sleep if no wake request Tero Kristo
2012-04-20 9:33 ` [PATCH 18/19] ARM: OMAP4460: wakeupgen: set GIC_CPU0 backup status flag always Tero Kristo
2012-04-20 9:33 ` [PATCH 19/19] ARM: OMAP4: powerdomain: update mpu / core off counters during device off Tero Kristo
2012-04-20 12:20 ` [PATCH 00/19] ARM: OMAP4 device off support T Krishnamoorthy, Balaji
2012-04-20 12:58 ` Tero Kristo
2012-04-20 13:55 ` Kevin Hilman
2012-04-20 14:43 ` Tero Kristo
2012-04-20 14:51 ` Datta, Shubhrajyoti
2012-04-20 15:07 ` Tero Kristo [this message]
2012-04-23 6:28 ` Shubhrajyoti Datta
2012-05-09 22:46 ` Kevin Hilman
2012-05-09 23:14 ` Russell King - ARM Linux
2012-05-10 9:47 ` Tero Kristo
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