Re: [PATCH v4 2/3] ata: ahci_platform: Manage SATA PHY

From: Roger Quadros
Date: Thu Jan 09 2014 - 06:37:58 EST


On 01/09/2014 04:50 PM, Sergei Shtylyov wrote:
> On 09-01-2014 14:56, Roger Quadros wrote:
>
>> From: Balaji T K <balajitk@xxxxxx>
>
>> Some platforms have a PHY hooked up to the
>> SATA controller. The PHY needs to be initialized
>> and powered up for SATA to work. We do that
>> using the PHY framework.
>
>> [Roger Q] Cleaned up.
>
>> CC: Tejun Heo <tj@xxxxxxxxxx>
>> Signed-off-by: Balaji T K <balajitk@xxxxxx>
>> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> [...]
>
>> diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
>> index d5ced13..b476642 100644
>> --- a/drivers/ata/ahci_platform.c
>> +++ b/drivers/ata/ahci_platform.c
>> @@ -142,6 +142,39 @@ static int ahci_probe(struct platform_device *pdev)
>> }
>> }
>>
>> + hpriv->phy = devm_phy_get(dev, "sata-phy");
>> + if (IS_ERR(hpriv->phy)) {
>> + rc = PTR_ERR(hpriv->phy);
>> + switch (rc) {
>> + case -ENODEV:
>> + case -ENOSYS:
>> + /* continue normally */
>> + hpriv->phy = NULL;
>> + break;
>> +
>> + case -EPROBE_DEFER:
>> + goto disable_unprepare_clk;
>> + break;
>
> Well, well, *break* after *goto*? :-)
>
I know it is pointless functionally, but it is just my preference
aesthetically.

Is it much of an issue if left as is?

cheers,
-roger

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