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From: Sekhar Nori <nsekhar@ti.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>, joelf@ti.com
Cc: linux@arm.linux.org.uk, vinod.koul@intel.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
	devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
	tony@atomide.com, bcousson@baylibre.com
Subject: Re: [PATCH 0/4] ARM/DT: edma: Get IP configuration from hardware
Date: Tue, 13 May 2014 14:03:28 +0530	[thread overview]
Message-ID: <5371D8D8.8000003@ti.com> (raw)
In-Reply-To: <1399967028-24757-1-git-send-email-peter.ujfalusi@ti.com>

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

WARNING: multiple messages have this Message-ID (diff)
From: nsekhar@ti.com (Sekhar Nori)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/4] ARM/DT: edma: Get IP configuration from hardware
Date: Tue, 13 May 2014 14:03:28 +0530	[thread overview]
Message-ID: <5371D8D8.8000003@ti.com> (raw)
In-Reply-To: <1399967028-24757-1-git-send-email-peter.ujfalusi@ti.com>

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

WARNING: multiple messages have this Message-ID (diff)
From: Sekhar Nori <nsekhar@ti.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>, <joelf@ti.com>
Cc: <linux@arm.linux.org.uk>, <vinod.koul@intel.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <linux-omap@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <linux-doc@vger.kernel.org>,
	<tony@atomide.com>, <bcousson@baylibre.com>
Subject: Re: [PATCH 0/4] ARM/DT: edma: Get IP configuration from hardware
Date: Tue, 13 May 2014 14:03:28 +0530	[thread overview]
Message-ID: <5371D8D8.8000003@ti.com> (raw)
In-Reply-To: <1399967028-24757-1-git-send-email-peter.ujfalusi@ti.com>

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

  parent reply	other threads:[~2014-05-13  8:33 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-13  7:43 [PATCH 0/4] ARM/DT: edma: Get IP configuration from hardware Peter Ujfalusi
2014-05-13  7:43 ` Peter Ujfalusi
2014-05-13  7:43 ` Peter Ujfalusi
2014-05-13  7:43 ` [PATCH 1/4] ARM: edma: Get IP information from HW when booting with DT Peter Ujfalusi
2014-05-13  7:43   ` Peter Ujfalusi
2014-05-13  7:43   ` Peter Ujfalusi
2014-05-13  7:43 ` [PATCH 2/4] dt/bindings: ti,edma: Remove redundant properties from documentation Peter Ujfalusi
2014-05-13  7:43   ` Peter Ujfalusi
2014-05-13  7:43   ` [PATCH 2/4] dt/bindings: ti, edma: " Peter Ujfalusi
2014-05-13  7:43 ` [PATCH 3/4] ARM: dts: am33xx: Remove obsolete properties from edma node Peter Ujfalusi
2014-05-13  7:43   ` Peter Ujfalusi
2014-05-13  7:43   ` Peter Ujfalusi
2014-05-13  7:43 ` [PATCH 4/4] ARM: dts: am4372: " Peter Ujfalusi
2014-05-13  7:43   ` Peter Ujfalusi
2014-05-13  7:43   ` Peter Ujfalusi
2014-05-13  8:33 ` Sekhar Nori [this message]
2014-05-13  8:33   ` [PATCH 0/4] ARM/DT: edma: Get IP configuration from hardware Sekhar Nori
2014-05-13  8:33   ` Sekhar Nori
2014-05-13 10:26   ` Peter Ujfalusi
2014-05-13 10:26     ` Peter Ujfalusi
2014-05-13 10:26     ` Peter Ujfalusi

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