linux-kernel - Re: [PATCH 1/3] phy: cadence: Sierra: add phy

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Date:   Wed, 23 Oct 2019 11:08:46 +0300
From:   Roger Quadros <rogerq@...com>
To:     Kishon Vijay Abraham I <kishon@...com>
CC:     <aniljoy@...ence.com>, <adouglas@...ence.com>, <nsekhar@...com>,
        <jsarha@...com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/3] phy: cadence: Sierra: add phy_reset hook

Kishon,

On 23/10/2019 10:36, Kishon Vijay Abraham I wrote:
> Roger,
> 
> On 22/10/19 6:52 PM, Roger Quadros wrote:
>> This is required if type C driver needs to hold
>> global reset on J7ES to perform LN10 swap.
> 
> Can you replace "This" with something more specific.

I meant this patch, but I will revise the commit message.

cheers,
-roger
> 
> Thanks
> Kishon
>>
>> Signed-off-by: Roger Quadros <rogerq@...com>
>> Signed-off-by: Sekhar Nori <nsekhar@...com>
>> ---
>>   drivers/phy/cadence/phy-cadence-sierra.c | 10 ++++++++++
>>   1 file changed, 10 insertions(+)
>>
>> diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
>> index affede8c4368..e6d27bdec22a 100644
>> --- a/drivers/phy/cadence/phy-cadence-sierra.c
>> +++ b/drivers/phy/cadence/phy-cadence-sierra.c
>> @@ -339,10 +339,20 @@ static int cdns_sierra_phy_off(struct phy *gphy)
>>   	return reset_control_assert(ins->lnk_rst);
>>   }
>>   
>> +static int cdns_sierra_phy_reset(struct phy *gphy)
>> +{
>> +	struct cdns_sierra_phy *sp = dev_get_drvdata(gphy->dev.parent);
>> +
>> +	reset_control_assert(sp->phy_rst);
>> +	reset_control_deassert(sp->phy_rst);
>> +	return 0;
>> +};
>> +
>>   static const struct phy_ops ops = {
>>   	.init		= cdns_sierra_phy_init,
>>   	.power_on	= cdns_sierra_phy_on,
>>   	.power_off	= cdns_sierra_phy_off,
>> +	.reset		= cdns_sierra_phy_reset,
>>   	.owner		= THIS_MODULE,
>>   };
>>   
>>

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