linux-kernel - Re: [PATCH 3/3] PCI: host: pci-dra7xx: add pm support to pci dra7xx

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Date:	Fri, 10 Jul 2015 20:20:48 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Grygorii Strashko <grygorii.strashko@...com>,
	<bhelgaas@...gle.com>, <jingoohan1@...il.com>,
	<pratyush.anand@...il.com>, <linux-omap@...r.kernel.org>,
	<linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:	<nsekhar@...com>
Subject: Re: [PATCH 3/3] PCI: host: pci-dra7xx: add pm support to pci dra7xx

Hi,

On Friday 03 July 2015 05:34 PM, Grygorii Strashko wrote:
> Hi Kishon,
> 
> On 07/03/2015 02:03 PM, Kishon Vijay Abraham I wrote:
>> Add PM support to pci-dra7xx so that PCI clocks can be disabled
>> during suspend and enabled back during resume without affecting
>> PCI functionality.
>>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
>> ---
>>   drivers/pci/host/pci-dra7xx.c |   74 +++++++++++++++++++++++++++++++++++++++++
>>   1 file changed, 74 insertions(+)
>>
>> diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
>> index d8b6d66..1f5c039 100644
>> --- a/drivers/pci/host/pci-dra7xx.c
>> +++ b/drivers/pci/host/pci-dra7xx.c
>> @@ -433,6 +433,79 @@ static int __exit dra7xx_pcie_remove(struct platform_device *pdev)
>>   	return 0;
>>   }
>>
>> +#ifdef CONFIG_PM_SLEEP
> 
> [...]
> 
>> +
>> +static const struct dev_pm_ops dra7xx_pcie_pm_ops = {
>> +	.suspend_noirq = dra7xx_pcie_suspend_noirq,
>> +	.suspend = dra7xx_pcie_suspend,
>> +	.resume_noirq = dra7xx_pcie_resume_noirq,
>> +	.resume = dra7xx_pcie_resume,
> 
> Could you use here SET_SYSTEM_SLEEP_PM_OPS()
> and SET_NOIRQ_SYSTEM_SLEEP_PM_OPS() macro, pls?

sure!

Thanks
Kishon
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