linux-kernel - Re: [PATCH V2 3/8] phy: tegra: xusb: Add support for UTMI pad power control

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Date:   Tue, 28 Apr 2020 12:04:51 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Nagarjuna Kristam <nkristam@...dia.com>
Cc:     balbi@...nel.org, gregkh@...uxfoundation.org, jonathanh@...dia.com,
        mark.rutland@....com, robh+dt@...nel.org, kishon@...com,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 3/8] phy: tegra: xusb: Add support for UTMI pad power
 control

On Wed, Apr 15, 2020 at 01:55:03PM +0530, Nagarjuna Kristam wrote:
> Add support for UTMI pad power on and off API's via soc ops. These API
> can be used by operations like charger detect to power on and off UTMI
> pad if needed. Update powered_on flag in the pad power control API's.
> 
> Signed-off-by: Nagarjuna Kristam <nkristam@...dia.com>
> ---
> V2:
>  - Patch re-based.
> ---
>  drivers/phy/tegra/xusb-tegra186.c | 51 ++++++++++++++++++---------------------
>  drivers/phy/tegra/xusb.h          |  2 ++
>  2 files changed, 26 insertions(+), 27 deletions(-)

Can we not simply pass another reference to the UTMI PHY to the charger
detect code so that we can avoid this custom API?

Thierry

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