linux-kernel - Re: [PATCH v5 3/3] net: phy: mscc: handle the clkout control on some phy variants

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Date:   Thu, 18 Jun 2020 08:49:39 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     davem@...emloft.net, robh+dt@...nel.org, andrew@...n.ch,
        f.fainelli@...il.com, hkallweit1@...il.com, linux@...linux.org.uk,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        christoph.muellner@...obroma-systems.com,
        Heiko Stuebner <heiko.stuebner@...obroma-systems.com>
Subject: Re: [PATCH v5 3/3] net: phy: mscc: handle the clkout control on
 some phy variants

On Thu, 18 Jun 2020 14:11:39 +0200 Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner@...obroma-systems.com>
> 
> At least VSC8530/8531/8540/8541 contain a clock output that can emit
> a predefined rate of 25, 50 or 125MHz.
> 
> This may then feed back into the network interface as source clock.
> So expose a clock-provider from the phy using the common clock framework
> to allow setting the rate.
> 
> Signed-off-by: Heiko Stuebner <heiko.stuebner@...obroma-systems.com>

Doesn't build with allmodconfig:

../drivers/net/phy/mscc/mscc_macsec.c:391:42: warning: cast from restricted sci_t
../drivers/net/phy/mscc/mscc_macsec.c:393:42: warning: restricted sci_t degrades to integer
../drivers/net/phy/mscc/mscc_macsec.c:400:42: warning: restricted __be16 degrades to integer
../drivers/net/phy/mscc/mscc_macsec.c:606:34: warning: cast from restricted sci_t
../drivers/net/phy/mscc/mscc_macsec.c:608:34: warning: restricted sci_t degrades to integer
../drivers/net/phy/mscc/mscc_macsec.c:391:42: warning: cast from restricted sci_t
../drivers/net/phy/mscc/mscc_macsec.c:393:42: warning: restricted sci_t degrades to integer
../drivers/net/phy/mscc/mscc_macsec.c:400:42: warning: restricted __be16 degrades to integer
../drivers/net/phy/mscc/mscc_macsec.c:606:34: warning: cast from restricted sci_t
../drivers/net/phy/mscc/mscc_macsec.c:608:34: warning: restricted sci_t degrades to integer
In file included from ../drivers/net/phy/mscc/mscc_macsec.c:17:
../drivers/net/phy/mscc/mscc.h:371:16: error: field â€˜clkout_hwâ€™ has incomplete type
  371 |  struct clk_hw clkout_hw;
      |                ^~~~~~~~~
make[5]: *** [drivers/net/phy/mscc/mscc_macsec.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[4]: *** [drivers/net/phy/mscc] Error 2
make[3]: *** [drivers/net/phy] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [drivers/net] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [drivers] Error 2
make: *** [__sub-make] Error 2