linux-kernel - Re: [PATCH] wireless: Convert mwifiex/pcie to dev_pm

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Date:	Tue, 02 Jul 2013 22:59:00 +0000
From:	Shuah Khan <shuah.kh@...sung.com>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	Hauke Mehrtens <hauke@...ke-m.de>,
	"bzhao@...vell.com" <bzhao@...vell.com>,
	"linville@...driver.com" <linville@...driver.com>,
	"rjw@...k.pl" <rjw@...k.pl>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"shuahkhan@...il.com" <shuahkhan@...il.com>,
	Shuah Khan <shuah.kh@...sung.com>
Subject: Re: [PATCH] wireless: Convert mwifiex/pcie to dev_pm_ops from legacy
 pm ops

On 07/02/2013 01:49 PM, Lars-Peter Clausen wrote:
> On 07/02/2013 09:24 PM, Shuah Khan wrote:
> [...]
>>>> +#ifdef CONFIG_PM
>>>> +/* Power Management Hooks */
>>>> +static const struct dev_pm_ops mwifiex_pcie_pm_ops = {
>>>> +	.suspend = mwifiex_pcie_suspend,
>>>> +	.resume = mwifiex_pcie_resume,
>>>> +};
>>>> +#endif
>>>> +
>>>
>>> Is it intended that you do not use SIMPLE_DEV_PM_OPS() like most of the
>>> other wifi drivers?
>>
>> So the reason for this is SIMPLE_DEV_PM_OPS() is defined only when
>> CONFIG_PM_SLEEP is enabled. This driver doesn't defines suspend and
>> resume when CONFIG_PM is enabled and I didn't want to change that. Hope
>> that helps understand why I didn't use SIMPLE_DEV_PM_OPS()
>
> Change the ifdefs to CONFIG_PM_SLEEP and use SIMPLE_DEV_PM_OPS. The driver does
> not support runtime PM.
>
> - Lars
>
>


Thanks. I will update the patch to use SIMPLE_DEV_PM_OPS.

-- Shuah

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