From: Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: Peter Ujfalusi <peter.ujfalusi-l0cyMroinI0@public.gmane.org>
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
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 [thread overview]
Message-ID: <20151014144814.GW27370@localhost> (raw)
In-Reply-To: <1444828344-21378-11-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.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
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next prev parent reply other threads:[~2015-10-14 14:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-14 13:12 [PATCH 00/13] dmaenigne: edma/ti-crossbar: fixes, new bindings Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 01/13] dmaengine: edma: Remove alignment constraint for memcpy Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 02/13] dmaengine: edma: Optimize memcpy operation Peter Ujfalusi
2015-10-14 14:41 ` Vinod Koul
2015-10-14 15:02 ` Peter Ujfalusi
[not found] ` <561E6E7A.6080408-l0cyMroinI0@public.gmane.org>
2015-10-15 3:59 ` Vinod Koul
2015-10-14 13:12 ` [PATCH 03/13] dmaengine: edma: Simplify function parameter list for channel operations Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 04/13] dmaengine: edma: Correct PaRAM access function names (_parm_ to _param_) Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 05/13] dmaengine: edma: Merge map_dmach_to_queue into assign_channel_eventq Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 06/13] dmaengine: edma: Get qDMA channel information from HW also Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 07/13] dmaengine: edma: Refactor the dma device and channel struct initialization Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 08/13] dmaengine: edma: Do not allocate memory for edma_rsv_info in case of DT boot Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 09/13] dmaengine: edma: Merge the of parsing functions Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 10/13] dmaengine: ti-dma-crossbar: Add support for crossbar on AM33xx/AM43xx Peter Ujfalusi
[not found] ` <1444828344-21378-11-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.org>
2015-10-14 14:48 ` Vinod Koul [this message]
2015-10-14 14:53 ` Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 11/13] dmaengine: edma: New device tree binding Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 12/13] ARM: DTS: am33xx: Use the new DT bindings for the eDMA3 Peter Ujfalusi
2015-10-14 13:12 ` [PATCH 13/13] ARM: DTS: am437x: " Peter Ujfalusi
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