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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <3d261add-8fa8-13b8-a42b-8662fcbe4b23@ti.com>
Date:   Wed, 23 Oct 2019 13:06:22 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Roger Quadros <rogerq@...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

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.

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,
>  };
>  
>