From mboxrd@z Thu Jan 1 00:00:00 1970 From: r.schwebel@pengutronix.de (Robert Schwebel) Date: Fri, 20 Apr 2012 15:00:21 +0200 Subject: [RFC PATCH 00/10 V3] MXS: Add i.MX28 USB Host driver In-Reply-To: <201204201444.49184.marex@denx.de> References: <1334714869-19282-1-git-send-email-marex@denx.de> <20120420094805.GS20478@pengutronix.de> <201204201444.49184.marex@denx.de> Message-ID: <20120420130021.GX31760@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Apr 20, 2012 at 02:44:48PM +0200, Marek Vasut wrote: > > From the function and quality level, fsl_udc_core.c is absolutely > > the best one for all i.mx SoCs, as both internal and upstream fsl > > code use it. > > Internally though, it looks like crap. Also, ci13xxx and fsl_usb_core > is duplicated stuff, correct? As far as I know, this is a "Synopsys USB 2.0 High Speed Altantic Controller". There are different drivers in mainline for this core: - ci13xxx_udc - fsl_usb_core - langwell_udc I think there even was a fourth, but I can't remember which one. All with a different level of abstraction and features. rsc -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |