linux-kernel - Re: [PATCH] net: macb: fix default configuration for GMAC on AT91

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Date:	Sun, 13 Mar 2016 22:20:11 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	nicolas.ferre@...el.com
Cc:	linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
	cyrille.pitchen@...el.com, linux-kernel@...r.kernel.org,
	alexandre.belloni@...e-electrons.com,
	boris.brezillon@...e-electrons.com, romain.henriet@...coustics.com,
	michal.simek@...inx.com, punnaia@...inx.com
Subject: Re: [PATCH] net: macb: fix default configuration for GMAC on AT91

From: Nicolas Ferre <nicolas.ferre@...el.com>
Date: Thu, 10 Mar 2016 16:44:32 +0100

> On AT91 SoCs, the User Register (USRIO) exposes a switch to configure the
> "Reduced" or "Traditional" version of the Media Independent Interface
> (RMII vs. MII or RGMII vs. GMII).
> As on the older EMAC version, on GMAC, this switch is set by default to the
> non-reduced type of interface, so use the existing capability and extend it to
> GMII as well. We then keep the current logic in the macb_init() function.
> 
> The capabilities of sama5d2, sama5d4 and sama5d3 GEM interface are updated in
> the macb_config structure to be able to properly enable them with a traditional
> interface (GMII or MII).
> 
> Reported-by: Romain HENRIET <romain.henriet@...coustics.com>
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>

Applied.