linux-kernel - Re: [PATCH RFC 02/10] dpaa_eth: add support for DPAA Ethernet

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Message-ID: <1437378870.10831.12.camel@transmode.se>
Date:	Mon, 20 Jul 2015 07:54:30 +0000
From:	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
To:	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"madalin.bucur@...escale.com" <madalin.bucur@...escale.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC 02/10] dpaa_eth: add support for DPAA Ethernet

On Wed, 2015-04-01 at 19:19 +0300, Madalin Bucur wrote:
> This introduces the Freescale Data Path Acceleration Architecture
> (DPAA) Ethernet driver (dpaa_eth) that builds upon the DPAA QMan,
> BMan, PAMU and FMan drivers to deliver Ethernet connectivity on
> the Freescale DPAA QorIQ platforms.
> 
> Signed-off-by: Madalin Bucur <madalin.bucur@...escale.com>
> ---
....
> +	net_dev = alloc_etherdev_mq(sizeof(*priv), DPAA_ETH_TX_QUEUES);
> +	if (!net_dev) {
> +		dev_err(dev, "alloc_etherdev_mq() failed\n");
> +		goto alloc_etherdev_mq_failed;
> +	}
> +
> +	snprintf(net_dev->name, IFNAMSIZ, "fm%d-mac%d",
> +		 dpa_mac_fman_index_get(pdev),
> +		 dpa_mac_hw_index_get(pdev));

Should ethernet drivers dictate interface name in user space nowadays?
I would prefer if you didn't.

I am trying these patches on a custom T1042 board using Linux 4.1 but
I cannot get Fixed PHY to work:
libphy: PHY fixed-0:00 not found
fsl_dpa dpaa-ethernet.2 eth2: Could not connect to PHY fixed-0:00
fsl_dpa dpaa-ethernet.2 eth2: init_phy() = -19

Not sure what I have missed here, any ideas?

 Jocke

PS.
    I would really appreciate if you could add new revisions of the FMAN/DPAA driver(s)
    to http://git.freescale.com/git/cgit.cgi/ppc/upstream/linux.git/
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