From: Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>
To: Richard Leitner
<richard.leitner-WcANXNA0UjBBDgjK7y7TUQ@public.gmane.org>
Cc: fugang.duan-3arQi8VN3Tc@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
dev-M/VWbR8SM2SsTnJN9+BGXg@public.gmane.org
Subject: Re: [PATCH 2/2] net: ethernet: fsl: add phy reset after clk enable option
Date: Thu, 6 Jul 2017 15:55:57 +0200 [thread overview]
Message-ID: <20170706135557.GC8810@lunn.ch> (raw)
In-Reply-To: <1499346330-12166-2-git-send-email-richard.leitner-WcANXNA0UjBBDgjK7y7TUQ@public.gmane.org>
Hi Richard
> diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
> index 6f55bdd..1766579 100644
> --- a/Documentation/devicetree/bindings/net/fsl-fec.txt
> +++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
> @@ -23,6 +23,9 @@ Optional properties:
> - phy-handle : phandle to the PHY device connected to this device.
> - fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
> Use instead of phy-handle.
> +- phy-reset-after-clk-enable : If present then a phy reset and configuration
> + will be performed everytime after the clocks are enabled. This is required
> + for some PHYs to work properly.
It sounds like this issue will apply to any LAN8710 which has its
clock fiddled with. So this should be a centrally documented property,
which any MAC driver can implement. Please move the above text to
ethernet.txt, and instead have:
- phy-reset-after-clk-enable : See ethernet.txt
Thanks
Andrew
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next prev parent reply other threads:[~2017-07-06 13:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-06 13:05 [PATCH 1/2] net: ethernet: freescale: simplify fec_reset_phy Richard Leitner
[not found] ` <1499346330-12166-1-git-send-email-richard.leitner-WcANXNA0UjBBDgjK7y7TUQ@public.gmane.org>
2017-07-06 13:05 ` [PATCH 2/2] net: ethernet: fsl: add phy reset after clk enable option Richard Leitner
[not found] ` <1499346330-12166-2-git-send-email-richard.leitner-WcANXNA0UjBBDgjK7y7TUQ@public.gmane.org>
2017-07-06 13:55 ` Andrew Lunn [this message]
[not found] ` <20170706135557.GC8810-g2DYL2Zd6BY@public.gmane.org>
2017-07-06 14:33 ` Richard Leitner
2017-07-07 5:30 ` Andy Duan
[not found] ` <AM4PR0401MB2260ECD4508E26FF16670004FFAA0-4rsfagO7TJxhEPOT2zA1/I3W/0Ik+aLCnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2017-07-07 5:50 ` Richard Leitner
2017-07-07 7:03 ` Andy Duan
2017-07-07 9:52 ` Richard Leitner
2017-07-07 11:08 ` Andy Duan
2017-07-07 11:16 ` Richard Leitner
[not found] ` <b68f444e-cea4-acaa-d1e9-7955a577ed35-WcANXNA0UjBBDgjK7y7TUQ@public.gmane.org>
2017-07-07 14:00 ` Andrew Lunn
2017-07-12 9:21 ` Richard Leitner
[not found] ` <e6b838e5-af7a-07be-42db-59b901cc04db-WcANXNA0UjBBDgjK7y7TUQ@public.gmane.org>
2017-07-12 13:40 ` Andrew Lunn
2017-07-10 13:26 ` Rob Herring
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