linux-kernel - Re: [PATCHv5 2/5] arm: socfpga: Enable OCRAM ECC on startup.

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Message-ID: <54630D32.1000307@opensource.altera.com>
Date:	Wed, 12 Nov 2014 01:33:06 -0600
From:	Dinh Nguyen <dinguyen@...nsource.altera.com>
To:	<tthayer@...nsource.altera.com>, <bp@...en8.de>,
	<dougthompson@...ssion.com>, <m.chehab@...sung.com>,
	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<linux@....linux.org.uk>, <grant.likely@...aro.org>
CC:	<devicetree@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	<linux-edac@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <tthayer.linux@...il.com>
Subject: Re: [PATCHv5 2/5] arm: socfpga: Enable OCRAM ECC on startup.



On 11/11/14, 6:14 PM, tthayer@...nsource.altera.com wrote:
> From: Thor Thayer <tthayer@...nsource.altera.com>
> 
> This patch enables the ECC for On-Chip RAM on machine
> startup.  The ECC has to be enabled before data is
> is stored in memory otherwise the ECC will fail on
> reads.
> 
> Signed-off-by: Thor Thayer <tthayer@...nsource.altera.com>
> ---
> v2: Split OCRAM ECC portion separately. Addition of iounmap()
> and reorganization of gen_pool_free. Remove defconfig from patch.
> 
> v3/4: No change
> 
> v5: Remove ocram.h, use io.h instead of clk-provider.h
>     Check prop in correct place. Add ECC EN defines.
> ---
>  arch/arm/mach-socfpga/Makefile  |    1 +
>  arch/arm/mach-socfpga/core.h    |    1 +
>  arch/arm/mach-socfpga/ocram.c   |   90 +++++++++++++++++++++++++++++++++++++++
>  arch/arm/mach-socfpga/socfpga.c |    9 ++++
>  4 files changed, 101 insertions(+)
>  create mode 100644 arch/arm/mach-socfpga/ocram.c
> 

Acked-by: Dinh Nguyen <dinguyen@...nsource.altera.com>

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