From: Rob Herring <robh@kernel.org>
To: Srinath Mannam <srinath.mannam@broadcom.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mathias Nyman <mathias.nyman@intel.com>,
Mark Rutland <mark.rutland@arm.com>,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: usb-xhci: Add usb-phy-port-reset property
Date: Mon, 25 Feb 2019 15:38:07 -0600 [thread overview]
Message-ID: <20190225213807.GA18852@bogus> (raw)
In-Reply-To: <1549347534-11320-2-git-send-email-srinath.mannam@broadcom.com>
On Tue, Feb 05, 2019 at 11:48:53AM +0530, Srinath Mannam wrote:
> Add usb-phy-port-reset optional property to set quirk in xhci platform
> driver which forces USB port PHY reset on port disconnect event.
>
> Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
> Reviewed-by: Ray Jui <ray.jui@broadcom.com>
> ---
> Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> index fea8b15..ecbdb15 100644
> --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
> +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> @@ -40,6 +40,7 @@ Optional properties:
> - usb3-lpm-capable: determines if platform is USB3 LPM capable
> - quirk-broken-port-ped: set if the controller has broken port disable mechanism
> - imod-interval-ns: default interrupt moderation interval is 5000ns
> + - usb-phy-port-reset: set this to do USB PORT PHY reset while disconnect
> - phys : see usb-hcd.txt in the current directory
This should be implied by the HCI or phy compatible string (depending
on who exactly needs the quirky behavior).
Rob
next prev parent reply other threads:[~2019-02-25 21:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-05 6:18 [PATCH 0/2] Reset xHCI port PHY on disconnect Srinath Mannam
2019-02-05 6:18 ` [PATCH 1/2] dt-bindings: usb-xhci: Add usb-phy-port-reset property Srinath Mannam
2019-02-25 21:38 ` Rob Herring [this message]
2019-02-26 4:57 ` Srinath Mannam
2019-02-26 18:02 ` Rob Herring
2019-02-27 17:08 ` Srinath Mannam
2019-02-05 6:18 ` [PATCH 2/2] drivers: xhci: Add quirk to reset xHCI port PHY Srinath Mannam
2019-02-07 15:06 ` Mathias Nyman
2019-02-07 15:17 ` Srinath Mannam
2019-02-08 12:35 ` Mathias Nyman
2019-02-08 18:48 ` Srinath Mannam
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