linux-kernel - Re: [PATCH v1 6/6] usb: dwc3: core: Notify USB3 PHY as well for DRD modes

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Date:   Fri, 21 Jul 2017 10:09:59 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Manu Gautam <mgautam@...eaurora.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Felipe Balbi <balbi@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "open list:DESIGNWARE USB3 DRD IP DRIVER" <linux-usb@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 6/6] usb: dwc3: core: Notify USB3 PHY as well for DRD
 modes

On 07/21/2017 04:02 AM, Manu Gautam wrote:
> Driver currently notifies only USB3 PHY for mode change.
> Extend this to USB3 PHY so that driver based on the mode
> can release system resources - clocks, regulators etc.
> and can even turn off PHY during runtime suspend.
>
> Signed-off-by: Manu Gautam <mgautam@...eaurora.org>

This patch is confusing because you say "notify for usb3 phy", but then
combine a change to remove the NULL pointer check on phy_set_mode() for
the usb2 phy. Please describe everything that's happening in a patch in
the commit text.

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