From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: [PATCH 10/13] dmaengine: ti-dma-crossbar: Add support for crossbar on AM33xx/AM43xx Date: Wed, 14 Oct 2015 20:18:14 +0530 Message-ID: <20151014144814.GW27370@localhost> References: <1444828344-21378-1-git-send-email-peter.ujfalusi@ti.com> <1444828344-21378-11-git-send-email-peter.ujfalusi@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1444828344-21378-11-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Peter Ujfalusi Cc: nsekhar-l0cyMroinI0@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org, r.schwebel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org List-Id: devicetree@vger.kernel.org On Wed, Oct 14, 2015 at 04:12:21PM +0300, Peter Ujfalusi wrote: > The DMA event crossbar on AM33xx/AM43xx is different from the one found in > DRA7x family. > Instead of a single event crossbar it has 64 identical mux attached to each > eDMA event line. When the 0 event mux is selected, the default mapped event > is going to be routed to the corresponding eDMA event line. If different > mux is selected, then the selected event is going to be routed to the given > eDMA event. Why is crossbar patch in edma series? > +static void ti_am335x_xbar_free(struct device *dev, void *route_data) > +{ > + struct ti_am335x_xbar_data *xbar = dev_get_drvdata(dev); > + struct ti_am335x_xbar_map *map = route_data; > + > + dev_err(dev, "Unmapping XBAR event %u on channel %u\n", > + map->mux_val, map->dma_line); Err ? -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html