Re: [tpmdd-devel] [PATCH 3/4] tpm: Convert tpm_tis driver to use dev_pm_ops from legacy pm_ops

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On 07/10/2013 04:43 PM, Peter Hüwe wrote:
> Hi,
>
> thanks for your patch
>>   static struct pnp_device_id tpm_pnp_tbl[] = {
>>   	{"PNP0C31", 0},		/* TPM */
>>   	{"ATM1200", 0},		/* Atmel */
>> @@ -835,9 +834,12 @@ static struct pnp_driver tis_pnp_driver = {
>>   	.name = "tpm_tis",
>>   	.id_table = tpm_pnp_tbl,
>>   	.probe = tpm_tis_pnp_init,
>> -	.suspend = tpm_tis_pnp_suspend,
>> -	.resume = tpm_tis_pnp_resume,
>>   	.remove = tpm_tis_pnp_remove,
>> +#ifdef CONFIG_PM_SLEEP
>> +	.driver	= {
>> +		.pm = &tpm_tis_pm,
>> +	},
>> +#endif
>>   };
>
>
> I don't think the #if CONFIG_PM_SLEEP is required here.
>
> Thanks,
> Peter
>

tpm_tis_resume() is defined originally in CONFIG_PM_SLEEP scope. I can 
make the change to have tpm_tis_resume() not be in CONFIG_PM_SLEEP scope 
and remove this CONFIG_PM_SLEEP when defining .pm. That does make sense 
looking at tpm_pm_suspend() and tpm_pm_resume() which are defined 
without CONFIG_PM_SLEEP scope. Sounds like the right approach? I will 
redo the patch and send v2.

I find that the use of CONFIG_PM, CONFIG_PM_SLEEP, and CONFIG_PM_RUNTIME 
are not very consistent. :)

-- Shuah

Shuah Khan, Linux Kernel Developer - Open Source Group Samsung Research 
America (Silicon Valley) shuah.kh@xxxxxxxxxxx | (970) 672-0658
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