Sergei Shtylyov <sergei.shtyl...@cogentembedded.com> writes:
> Hello.
>
> On 12/16/2015 2:25 AM, Mans Rullgard wrote:
>
>> This adds support for powering on an optional PHY when activating the
>> device.
>>
>> Signed-off-by: Mans Rullgard <m...@mansr.com>
> [...]
>> diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c
>> index 9985749..d07aae1 100644
>> --- a/drivers/ata/sata_dwc_460ex.c
>> +++ b/drivers/ata/sata_dwc_460ex.c
> [...]
>> @@ -1318,6 +1320,21 @@ static int sata_dwc_probe(struct platform_device
>> *ofdev)
>> }
>> #endif
>>
>> + hsdev->phy = devm_phy_optional_get(hsdev->dev, "sata-phy");
>> + if (IS_ERR(hsdev->phy)) {
>> + err = PTR_ERR(hsdev->phy);
>> + hsdev->phy = NULL;
>> + goto error_out;
>> + }
>> +
>> + err = phy_init(hsdev->phy);
>> + if (err)
>> + goto error_out;
>
> If phy_init() fails, do we really need to call phy_exit()?
No, but it doesn't hurt either, and it makes the code slightly simpler.
I can change it though.
>> +
>> + err = phy_power_on(hsdev->phy);
>> + if (err)
>> + goto error_out;
>> +
>> /*
>> * Now, register with libATA core, this will also initiate the
>> * device discovery process, invoking our port_start() handler &
>> @@ -1331,6 +1348,7 @@ static int sata_dwc_probe(struct platform_device
>> *ofdev)
>> return 0;
>>
>> error_out:
>> + phy_exit(hsdev->phy);
>> iounmap(base);
>> return err;
>> }
> [...]
>
> MBR, Sergei
>
--
Måns Rullgård
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