Re: [PATCH V4 2/4] net-next: mediatek: add support for MT7623 ethernet

2016-03-07 Thread David Miller
From: John Crispin Date: Mon, 7 Mar 2016 09:56:35 +0100 > +static int mtk_mdio_busy_wait(struct mtk_eth *eth) > +{ > + unsigned long t_start = jiffies; > + > + while (1) { > + if (!(mtk_r32(eth, MTK_PHY_IAC) & PHY_IAC_ACCESS)) > +

[PATCH V4 2/4] net-next: mediatek: add support for MT7623 ethernet

2016-03-07 Thread John Crispin
Add ethernet support for MediaTek SoCs from the MT7623 family. These have dual GMAC. Depending on the exact version, there might be a built-in Gigabit switch (MT7530). The core does not have the typical DMA ring setup. Instead there is a linked list that we add descriptors to. There is only one