From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@linaro.org (Shawn Guo) Date: Thu, 28 Jun 2012 20:13:04 +0800 Subject: [PATCH v2 2/2] net: flexcan: add transceiver switch gpios support In-Reply-To: <20460.18717.17688.965250@ipc1.ka-ro> References: <1340853701-4488-1-git-send-email-shawn.guo@linaro.org> <1340853701-4488-3-git-send-email-shawn.guo@linaro.org> <4FEC329C.7070004@pengutronix.de> <20120628112111.GC22990@S2101-09.ap.freescale.net> <4FEC400F.8010506@pengutronix.de> <20120628114108.GD22990@S2101-09.ap.freescale.net> <20460.18717.17688.965250@ipc1.ka-ro> Message-ID: <20120628121302.GI22990@S2101-09.ap.freescale.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Jun 28, 2012 at 02:07:57PM +0200, Lothar Wa?mann wrote: > Hi, > > Shawn Guo writes: > > On Thu, Jun 28, 2012 at 01:29:19PM +0200, Marc Kleine-Budde wrote: > > > I mean which name is more precise, do these gpio enable/standy a "phy" > > > or a "transceiver". For example: > > > http://www.nxp.com/documents/application_note/AN00094.pdf, this document > > > says: TJA1041/1041A high speed CAN transceiver. > > > > > Isn't term "phy" (physical interface) generally meant to be the same > > thing as "transceiver"? I just happened to like the shorter one as > > what Hui did in his patch. > > > > But it does not really matter to me, will change the name since you > > care about it. > > > A transceiver is just a dumb piece of hardware, while a PHY contains > some intelligence of its own. > Then, it sounds more like a PHY than transceiver, since it's an IC chip with some control over it. -- Regards, Shawn