linux-kernel - Re: [PATCH 0/4] ARM/DT: edma: Get IP configuration from hardware

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Date:	Tue, 13 May 2014 14:03:28 +0530
From:	Sekhar Nori <nsekhar@...com>
To:	Peter Ujfalusi <peter.ujfalusi@...com>, <joelf@...com>
CC:	<linux@....linux.org.uk>, <vinod.koul@...el.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	<tony@...mide.com>, <bcousson@...libre.com>
Subject: Re: [PATCH 0/4] ARM/DT: edma: Get IP configuration from hardware

On Tuesday 13 May 2014 01:13 PM, Peter Ujfalusi wrote:
> Hi,
> 
> We are requesting redundant information via DT for the driver since the very same
> data is available in the HW: by reading and decoding the content of CCCFG
> register we can get:
> Number of channels: NUM_DMACH
> Number of regions: NUM_REGN
> Number of slots (PaRAM sets): NUM_PAENTRY
> Number of TC/EQ: NUM_EVQUE
> 
> So these does not need to be provided by the DT binding.
> 
> The driver will no longer look for these properties from DT and they can be
> removed from the binding documentation and from the dtsi files as well.
> The change will not introduce regression when new kernel is booted using older
> DTB (since we just ignore the mentioned properties).

Peter, to which baseline do these patches apply? I tried applying them
to v3.15-rc5 but 1/4 doesn't apply cleanly.

Thanks,
Sekhar
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