power management query

[Sriram V]

On Thu, Apr 15, 2010 at 8:55 PM, Dan Williams <dcbw at redhat.com> wrote:
> On Thu, 2010-04-15 at 12:45 +0530, Sriram V wrote:
>> Hi,
>>   I use Linux 2.6.29. I have a libertas module connected over sdio.
>>   I  find that there exists no pm support for sdio modules.
>>   The usb libertas module has pm support which invokes lbs_suspend to
>> put the chip to low power state.
>>   Is this intentionally left out? Wont turning off the sdio clocks
>> suffice. Does this mean i need to download the firmware again?
>
> The 2.6.33 and later kernels have support for SDIO "deep sleep" in the
> Libertas driver.
>

>>   Also, When i browse for a long time - I keep getting the "problem
>> fetching packet from firmware" message from libertas driver.
>
> What SD host controller are you using?
>

I use OMAP3. I have turned just off the sdio clocks during suspend
I will look into the 2.6.33 kernel and try to back port it.


Thank you,


Regards,
sriram


> Dan
>
>>  Please advice.
>>
>>
>>   Thank you for your support.
>>
>>   Regards,
>>   sriram
>>
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>
>
>