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From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: t-kristo@ti.com
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Tony Lindgren <tony@atomide.com>, Rajendra Nayak <rnayak@ti.com>,
	Archit Taneja <archit@ti.com>,
	"Shilimkar, Santosh" <santosh.shilimkar@ti.com>,
	linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: OMAP4430 produces boot warnings
Date: Thu, 22 Nov 2012 16:44:43 +0200	[thread overview]
Message-ID: <50AE3A5B.5040603@ti.com> (raw)
In-Reply-To: <1353594842.786.45.camel@sokoban>


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On 2012-11-22 16:34, Tero Kristo wrote:

> I guess you checked that DSS pwrdm is switching between RET and ON in
> your setup?

Yes:

# cat /debug/pm_debug/count |grep dss
[   35.356567] pwrdm state mismatch(l3init_pwrdm) 3 != 1
[   35.361938] pwrdm state mismatch(cam_pwrdm) 3 != 0
[   35.366973] pwrdm state mismatch(ivahd_pwrdm) 3 != 1
[   35.372253] pwrdm state mismatch(tesla_pwrdm) 3 != 1
[   35.377532] pwrdm state mismatch(abe_pwrdm) 3 != 1
dss_pwrdm (RET),OFF:1,RET:11,INA:0,ON:11,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
l3_dss_clkdm->dss_pwrdm (0)

then I load and unload the dss modules, and then:

# cat /debug/pm_debug/count |grep dss
[   60.813629] pwrdm state mismatch(l3init_pwrdm) 3 != 1
[   60.819000] pwrdm state mismatch(cam_pwrdm) 3 != 0
[   60.824127] pwrdm state mismatch(ivahd_pwrdm) 3 != 1
[   60.829376] pwrdm state mismatch(tesla_pwrdm) 3 != 1
[   60.834625] pwrdm state mismatch(abe_pwrdm) 3 != 1
dss_pwrdm (ON),OFF:1,RET:21,INA:0,ON:22,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
l3_dss_clkdm->dss_pwrdm (0)

>> Does the pwrdm mistakenly think that in RET state the DSS still keeps
>> the register contents?
> 
> This might be the case, however the pwrdm code should be generic and
> handle all domains properly. What is the tree / branch / commit you are
> using for testing this stuff? I can take a look at this also.

arm-soc/for-next

 Tomi



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WARNING: multiple messages have this Message-ID (diff)
From: tomi.valkeinen@ti.com (Tomi Valkeinen)
To: linux-arm-kernel@lists.infradead.org
Subject: OMAP4430 produces boot warnings
Date: Thu, 22 Nov 2012 16:44:43 +0200	[thread overview]
Message-ID: <50AE3A5B.5040603@ti.com> (raw)
In-Reply-To: <1353594842.786.45.camel@sokoban>

On 2012-11-22 16:34, Tero Kristo wrote:

> I guess you checked that DSS pwrdm is switching between RET and ON in
> your setup?

Yes:

# cat /debug/pm_debug/count |grep dss
[   35.356567] pwrdm state mismatch(l3init_pwrdm) 3 != 1
[   35.361938] pwrdm state mismatch(cam_pwrdm) 3 != 0
[   35.366973] pwrdm state mismatch(ivahd_pwrdm) 3 != 1
[   35.372253] pwrdm state mismatch(tesla_pwrdm) 3 != 1
[   35.377532] pwrdm state mismatch(abe_pwrdm) 3 != 1
dss_pwrdm (RET),OFF:1,RET:11,INA:0,ON:11,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
l3_dss_clkdm->dss_pwrdm (0)

then I load and unload the dss modules, and then:

# cat /debug/pm_debug/count |grep dss
[   60.813629] pwrdm state mismatch(l3init_pwrdm) 3 != 1
[   60.819000] pwrdm state mismatch(cam_pwrdm) 3 != 0
[   60.824127] pwrdm state mismatch(ivahd_pwrdm) 3 != 1
[   60.829376] pwrdm state mismatch(tesla_pwrdm) 3 != 1
[   60.834625] pwrdm state mismatch(abe_pwrdm) 3 != 1
dss_pwrdm (ON),OFF:1,RET:21,INA:0,ON:22,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0
l3_dss_clkdm->dss_pwrdm (0)

>> Does the pwrdm mistakenly think that in RET state the DSS still keeps
>> the register contents?
> 
> This might be the case, however the pwrdm code should be generic and
> handle all domains properly. What is the tree / branch / commit you are
> using for testing this stuff? I can take a look at this also.

arm-soc/for-next

 Tomi


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  reply	other threads:[~2012-11-22 14:44 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-21 23:03 OMAP4430 produces boot warnings Russell King - ARM Linux
2012-11-21 23:03 ` Russell King - ARM Linux
2012-11-22 12:42 ` Archit Taneja
2012-11-22 12:42   ` Archit Taneja
2012-11-22 13:42   ` Tomi Valkeinen
2012-11-22 13:42     ` Tomi Valkeinen
2012-11-22 14:34     ` Tero Kristo
2012-11-22 14:34       ` Tero Kristo
2012-11-22 14:44       ` Tomi Valkeinen [this message]
2012-11-22 14:44         ` Tomi Valkeinen
2012-11-23  9:34         ` Tero Kristo
2012-11-23  9:34           ` Tero Kristo
2012-11-26  6:48           ` Archit Taneja
2012-11-26  6:48             ` Archit Taneja
2012-11-26 12:14             ` Archit Taneja
2012-11-26 12:14               ` Archit Taneja
2012-11-27 11:23               ` Tomi Valkeinen
2012-11-27 11:23                 ` Tomi Valkeinen
2012-11-27 11:56                 ` Archit Taneja
2012-11-27 11:56                   ` Archit Taneja
2012-11-27 12:21                   ` Tomi Valkeinen
2012-11-27 12:21                     ` Tomi Valkeinen
2012-11-27 12:31                     ` Tero Kristo
2012-11-27 12:31                       ` Tero Kristo
2012-11-28 10:44                       ` Archit Taneja
2012-11-28 10:44                         ` Archit Taneja

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