linux-kernel - Re: [PATCH] net: stmmac: socfpga: re-use the `interface` parameter from platform data

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Date:   Wed, 11 Sep 2019 05:03:35 +0000
From:   "Ardelean, Alexandru" <alexandru.Ardelean@...log.com>
To:     "davem@...emloft.net" <davem@...emloft.net>
CC:     "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "joabreu@...opsys.com" <joabreu@...opsys.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mcoquelin.stm32@...il.com" <mcoquelin.stm32@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "peppe.cavallaro@...com" <peppe.cavallaro@...com>,
        "alexandre.torgue@...com" <alexandre.torgue@...com>
Subject: Re: [PATCH] net: stmmac: socfpga: re-use the `interface` parameter
 from platform data

On Tue, 2019-09-10 at 17:46 +0200, David Miller wrote:
> [External]
> 
> From: David Miller <davem@...emloft.net>
> Date: Tue, 10 Sep 2019 17:45:44 +0200 (CEST)
> 
> > From: Alexandru Ardelean <alexandru.ardelean@...log.com>
> > Date: Fri, 6 Sep 2019 15:30:54 +0300
> > 
> > > The socfpga sub-driver defines an `interface` field in the `socfpga_dwmac`
> > > struct and parses it on init.
> > > 
> > > The shared `stmmac_probe_config_dt()` function also parses this from the
> > > device-tree and makes it available on the returned `plat_data` (which is
> > > the same data available via `netdev_priv()`).
> > > 
> > > All that's needed now is to dig that information out, via some
> > > `dev_get_drvdata()` && `netdev_priv()` calls and re-use it.
> > > 
> > > Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
> > 
> > This doesn't build even on net-next.
> 

Right.
My bad.

I think I got confused with multiple/cross-testing and probably this change didn't even get compiled.

Apologies for this.
Will send a good version.

Alex

> Specifically:
> 
> drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c: In function ‘socfpga_gen5_set_phy_mode’:
> drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c:264:44: error: ‘phymode’ undeclared (first use in this function);
> did you mean ‘phy_modes’?
>   264 |   dev_err(dwmac->dev, "bad phy mode %d\n", phymode);
>       |                                            ^~~~~~~
> ./include/linux/device.h:1499:32: note: in definition of macro ‘dev_err’
>  1499 |  _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__)
>       |                                ^~~~~~~~~~~
> drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c:264:44: note: each undeclared identifier is reported only once for
> each function it appears in
>   264 |   dev_err(dwmac->dev, "bad phy mode %d\n", phymode);
>       |                                            ^~~~~~~
> ./include/linux/device.h:1499:32: note: in definition of macro ‘dev_err’
>  1499 |  _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__)
>       |                                ^~~~~~~~~~~
> drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c: In function ‘socfpga_gen10_set_phy_mode’:
> drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c:340:6: error: ‘phymode’ undeclared (first use in this function);
> did you mean ‘phy_modes’?
>   340 |      phymode == PHY_INTERFACE_MODE_MII ||
>       |      ^~~~~~~
>       |      phy_modes