Message-ID: <1403550798.9081.5.camel@linux-builds1>
Subject: Re: [PATCHv6 3/3] edac: altera: Add EDAC support for SDRAM Ctlr
From: Dinh Nguyen <dinguyen@altera.com>
To: Thor Thayer <tthayer@altera.com>
CC: <robherring2@gmail.com>, <pawel.moll@arm.com>, <mark.rutland@arm.com>,
        <ijc+devicetree@hellion.org.uk>, <galak@codeaurora.org>,
        <rob@landley.net>, <linux@arm.linux.org.uk>,
        <dougthompson@xmission.com>, <grant.likely@linaro.org>, <bp@alien8.de>,
        <devicetree@vger.kernel.org>, <linux-doc@vger.kernel.org>,
        <linux-edac@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>, <tthayer.linux@gmail.com>
Date: Mon, 23 Jun 2014 14:13:18 -0500
In-Reply-To: <1403306523-4174-4-git-send-email-tthayer@altera.com>
References: <1403306523-4174-2-git-send-email-tthayer@altera.com>
	 <1403306523-4174-4-git-send-email-tthayer@altera.com>
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Sender: linux-kernel-owner@vger.kernel.org

Hi Thor,

On Fri, 2014-06-20 at 18:22 -0500, Thor Thayer wrote:
> From: Thor Thayer <tthayer@altera.com>
> 
> Addition of the driver to support the Altera SDRAM Controller. 
> This patch adds support for the CycloneV and ArriaV SDRAM controllers. 
> Correction and reporting of SBEs, Panic on DBEs.
> 
> v2: Use the SDRAM controller registers to calculate memory size
>     instead of the Device Tree. Update To & Cc list. Add maintainer
>     information.
> 
> v3: EDAC driver cleanup based on comments from Mailing list.
> 
> v4: Panic on DBE. Add macro around inject-error reads to prevent
>     them from being optimized out. Remove of_match_ptr since this
>     will always use Device Tree.
> 
> v5: Addition of printk to trigger function to ensure read vars
>     are not optimized out.
> 
> v6: Changes to split out shared SDRAM controller reg (offset 0x00)
>     as a syscon device and allocate ECC specific SDRAM registers
>     to EDAC.
> 
> Signed-off-by: Thor Thayer <tthayer@altera.com>
> ---

For future patch submissions, please add your version history after the
"---".

>  drivers/edac/Kconfig       |    9 +
>  drivers/edac/Makefile      |    2 +
>  drivers/edac/altera_edac.c |  448 ++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 459 insertions(+)
>  create mode 100644 drivers/edac/altera_edac.c
> 
> diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
> index 878f090..4f4d379 100644
> --- a/drivers/edac/Kconfig
> +++ b/drivers/edac/Kconfig
> @@ -368,4 +368,13 @@ config EDAC_OCTEON_PCI
>  	  Support for error detection and correction on the
>  	  Cavium Octeon family of SOCs.
>  
> +config EDAC_ALTERA_MC
> +	bool "Altera SDRAM Memory Controller EDAC"
> +	depends on EDAC_MM_EDAC && ARCH_SOCFPGA
> +	help
> +	  Support for error detection and correction on the
> +	  Altera SDRAM memory controller. Note that the
> +	  preloader must initialize the SDRAM before loading
> +	  the kernel.
> +
>  endif # EDAC
> diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
> index 4154ed6..9741336 100644
> --- a/drivers/edac/Makefile
> +++ b/drivers/edac/Makefile
> @@ -64,3 +64,5 @@ obj-$(CONFIG_EDAC_OCTEON_PC)		+= octeon_edac-pc.o
>  obj-$(CONFIG_EDAC_OCTEON_L2C)		+= octeon_edac-l2c.o
>  obj-$(CONFIG_EDAC_OCTEON_LMC)		+= octeon_edac-lmc.o
>  obj-$(CONFIG_EDAC_OCTEON_PCI)		+= octeon_edac-pci.o
> +
> +obj-$(CONFIG_EDAC_ALTERA_MC)	        += altera_edac.o
> diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
> new file mode 100644
> index 0000000..e3fcd27
> --- /dev/null
> +++ b/drivers/edac/altera_edac.c
> @@ -0,0 +1,448 @@
> +/*
> + *  Copyright Altera Corporation (C) 2014. All rights reserved.
> + *  Copyright 2011-2012 Calxeda, Inc.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
> + * more details.
> + *
> + * This file is subject to the terms and conditions of the GNU General Public
> + * License.  See the file "COPYING" in the main directory of this archive
> + * for more details.
> +
> + *
> + * Adapted from the highbank_mc_edac driver
> + *
> + */
> +#include <linux/types.h>
> +#include <linux/kernel.h>
> +#include <linux/ctype.h>
> +#include <linux/edac.h>
> +#include <linux/interrupt.h>
> +#include <linux/platform_device.h>
> +#include <linux/of_platform.h>
> +#include <linux/uaccess.h>
> +#include <linux/mfd/syscon.h>
> +#include <linux/regmap.h>

Can you alphabetize these headers please?

Dinh


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