Re: [PATCH] pci: dwc: dra7xx: Add shutdown handler to cleanly turn off clocks

From: Keerthy
Date: Wed Sep 06 2017 - 08:59:45 EST




On Wednesday 06 September 2017 04:26 PM, Kishon Vijay Abraham I wrote:
>
>
> On Wednesday 06 September 2017 04:23 PM, Kishon Vijay Abraham I wrote:
>> Keerthy,
>>
>> On Wednesday 06 September 2017 04:09 PM, Keerthy wrote:
>>> Add shutdown handler to cleanly turn off clocks.
>>
>> one minor comment below.. with that fixed you can add my
>>
>> Acked-by: Kishon Vijay Abraham I <kishon@xxxxxx>
>>>
>>> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
>>> ---
>>> drivers/pci/dwc/pci-dra7xx.c | 14 ++++++++++++++
>>> 1 file changed, 14 insertions(+)
>>>
>>> diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
>>> index d4e98f3..66d1cfe 100644
>>> --- a/drivers/pci/dwc/pci-dra7xx.c
>>> +++ b/drivers/pci/dwc/pci-dra7xx.c
>>> @@ -874,6 +874,19 @@ static int dra7xx_pcie_suspend_noirq(struct device *dev)
>>> return 0;
>>> }
>>>
>>> +void dra7xx_pcie_shutdown(struct platform_device *pdev)
>>> +{
>>> + struct dra7xx_pcie *dra7xx = dev_get_drvdata(&pdev->dev);
>>
>> Use struct device *dev = &pdev->dev, instead of de-referencing device pointer
>> multiple times.
>
> You might also have to dra7xx_pcie_stop_link() before disabling the clocks.

Thanks for the quick review. I will incorporate the above comments and
post v2.

Regards,
Keerthy

>
> Thanks
> Kishon
>