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Date: Wed, 22 Apr 2009 10:21:16 +0200 From: Benjamin Herrenschmidt <benh@...nel.crashing.org> To: Kyle Moffett <kyle@...fetthome.net> Cc: Josh Boyer <jwboyer@...ux.vnet.ibm.com>, netdev <netdev@...r.kernel.org>, "Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>, linuxppc-dev@...abs.org Subject: Re: Porting the ibm_newemac driver to use phylib (and other PHY/MAC questions) On Mon, 2009-04-20 at 20:10 -0400, Kyle Moffett wrote: > > IIRC, Ben had some issues with how phylib and the EMAC would need to > > interact. Not sure if he has those written down somewhere or not. > > (CC'd). > > Hmm, yeah, I'd be interested to see those. There's enough similar > between phylib and the EMAC and sungem drivers that I'm considering a > series of somewhat-mechanical patches to make EMAC and sungem use the > "struct phy_device" and "struct mii_bus" from phylib, possibly > abstracting out some helper functions along the way. Yup, emac and sungem predate phylib. I had a quick look at what it would take to port at least emac over, the main issue was that I want to be able to sleep (ie, take a mutex) in my mdio read/write functions, and back then, phylib wouldn't let me do that due to spinlock and timer/softirq usage. Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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