linux-kernel - Re: [PATCH V2 4/8] phy: tegra: xusb: Add USB2 pad power control support for Tegra210

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Date:   Tue, 28 Apr 2020 12:06:32 +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 4/8] phy: tegra: xusb: Add USB2 pad power control
 support for Tegra210

On Wed, Apr 15, 2020 at 01:55:04PM +0530, Nagarjuna Kristam wrote:
> Add USB2 pad power on and off API's for TEgra210 and provide its control

"Tegra210"

> via soc ops. It can be used by operations like charger detect to power on
> and off USB2 pad if needed.
> 
> Signed-off-by: Nagarjuna Kristam <nkristam@...dia.com>
> ---
> V2:
>  - Patch re-based.
> ---
>  drivers/phy/tegra/xusb-tegra210.c | 190 ++++++++++++++++++++++++++------------
>  1 file changed, 133 insertions(+), 57 deletions(-)

Again, is there any particular reason why this has to be done with a
custom API rather than just passing the UTMI PHY to the charging code?

Thierry

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