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From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Jean Pihet <jean.pihet@newoldbits.com>
Cc: santosh.shilimkar@ti.com, khilman@ti.com,
	linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linaro-dev@lists.linaro.org
Subject: Re: [RFC][PATCH 4/9] ARM: OMAP3: define cpuidle statically
Date: Fri, 23 Mar 2012 13:41:48 +0100	[thread overview]
Message-ID: <4F6C6F8C.8010307@linaro.org> (raw)
In-Reply-To: <CAORVsuUZUWrwzx0hYT4YC0HhwAzTKF+q++LPvg43iy-iYbTivA@mail.gmail.com>

On 03/23/2012 01:35 PM, Jean Pihet wrote:
> On Fri, Mar 23, 2012 at 10:26 AM, Daniel Lezcano
> <daniel.lezcano@linaro.org>  wrote:
>> Use the new cpuidle API and define in the driver the states.
>>
>> Signed-off-by: Daniel Lezcano<daniel.lezcano@linaro.org>
>> ---

[ ... ]

>>         /*
>>          * Erratum i583: implementation for ES rev<  Es1.2 on 3630. We cannot
> C7 is enabled only if the errata does not apply.
> This causes a problem with the statically defined C-states and also
> with the per C-state sysfs disable knob. A consistency check should be
> performed before trying to enter a state.

In the patch 5/9, I decrement the state_count if the errata applies. I 
believe it is still compatible with the static C-states.

>> @@ -338,7 +372,6 @@ int __init omap3_idle_init(void)
>>         drv->state_count = OMAP3_NUM_STATES;
>>         cpuidle_register_driver(&omap3_idle_driver);
>>
>> -       dev->state_count = OMAP3_NUM_STATES;
>>         if (cpuidle_register_device(dev)) {
>>                 printk(KERN_ERR "%s: CPUidle register device failed\n",
>>                        __func__);
>> --
>> 1.7.5.4
>>
>
> Thanks!
> Jean


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WARNING: multiple messages have this Message-ID (diff)
From: daniel.lezcano@linaro.org (Daniel Lezcano)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC][PATCH 4/9] ARM: OMAP3: define cpuidle statically
Date: Fri, 23 Mar 2012 13:41:48 +0100	[thread overview]
Message-ID: <4F6C6F8C.8010307@linaro.org> (raw)
In-Reply-To: <CAORVsuUZUWrwzx0hYT4YC0HhwAzTKF+q++LPvg43iy-iYbTivA@mail.gmail.com>

On 03/23/2012 01:35 PM, Jean Pihet wrote:
> On Fri, Mar 23, 2012 at 10:26 AM, Daniel Lezcano
> <daniel.lezcano@linaro.org>  wrote:
>> Use the new cpuidle API and define in the driver the states.
>>
>> Signed-off-by: Daniel Lezcano<daniel.lezcano@linaro.org>
>> ---

[ ... ]

>>         /*
>>          * Erratum i583: implementation for ES rev<  Es1.2 on 3630. We cannot
> C7 is enabled only if the errata does not apply.
> This causes a problem with the statically defined C-states and also
> with the per C-state sysfs disable knob. A consistency check should be
> performed before trying to enter a state.

In the patch 5/9, I decrement the state_count if the errata applies. I 
believe it is still compatible with the static C-states.

>> @@ -338,7 +372,6 @@ int __init omap3_idle_init(void)
>>         drv->state_count = OMAP3_NUM_STATES;
>>         cpuidle_register_driver(&omap3_idle_driver);
>>
>> -       dev->state_count = OMAP3_NUM_STATES;
>>         if (cpuidle_register_device(dev)) {
>>                 printk(KERN_ERR "%s: CPUidle register device failed\n",
>>                        __func__);
>> --
>> 1.7.5.4
>>
>
> Thanks!
> Jean


-- 
  <http://www.linaro.org/> Linaro.org ? Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog

  reply	other threads:[~2012-03-23 12:41 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-23  9:26 [RFC][PATCH 1/9] ARM: OMAP3: cpuidle - remove rx51 cpuidle parameters table Daniel Lezcano
2012-03-23  9:26 ` Daniel Lezcano
2012-03-23  9:26 ` [RFC][PATCH 2/9] ARM: OMAP3: cpuidle - remove next_valid_state function Daniel Lezcano
2012-03-23  9:26   ` Daniel Lezcano
     [not found]   ` <1332494794-7810-2-git-send-email-daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-03-23 12:21     ` Jean Pihet
2012-03-23 12:21       ` Jean Pihet
2012-03-23  9:26 ` [RFC][PATCH 3/9] ARM: OMAP3: cpuidle - set enable_off_mode as static Daniel Lezcano
2012-03-23  9:26   ` Daniel Lezcano
2012-03-23 12:22   ` Jean Pihet
2012-03-23 12:22     ` Jean Pihet
2012-03-23 12:38     ` Daniel Lezcano
2012-03-23 12:38       ` Daniel Lezcano
2012-03-23  9:26 ` [RFC][PATCH 4/9] ARM: OMAP3: define cpuidle statically Daniel Lezcano
2012-03-23  9:26   ` Daniel Lezcano
2012-03-23 12:35   ` Jean Pihet
2012-03-23 12:35     ` Jean Pihet
2012-03-23 12:41     ` Daniel Lezcano [this message]
2012-03-23 12:41       ` Daniel Lezcano
2012-03-23 13:17       ` Jean Pihet
2012-03-23 13:17         ` Jean Pihet
2012-03-23  9:26 ` [RFC][PATCH 5/9] ARM: OMAP3: cpuidle - remove the 'valid' field Daniel Lezcano
2012-03-23  9:26   ` Daniel Lezcano
2012-03-23  9:26 ` [RFC][PATCH 6/9] ARM: OMAP3: cpuidle - remove cpuidle_params_table Daniel Lezcano
2012-03-23  9:26   ` Daniel Lezcano
2012-03-23  9:26 ` [RFC][PATCH 7/9] ARM: OMAP3: define statically the omap3_idle_data Daniel Lezcano
2012-03-23  9:26   ` Daniel Lezcano
2012-03-23  9:26 ` [RFC][PATCH 8/9] ARM: OMAP3: cpuidle - use omap3_idle_data directly Daniel Lezcano
2012-03-23  9:26   ` Daniel Lezcano
2012-03-23  9:26 ` [RFC][PATCH 9/9] ARM: OMAP3/4: consolidate cpuidle Makefile Daniel Lezcano
2012-03-23  9:26   ` Daniel Lezcano

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