linux-kernel - Re: [PATCH 2/2] mtd: nand: Add support for Arasan Nand Flash Controller

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Message-ID: <5538EA69.2080702@monstr.eu>
Date:	Thu, 23 Apr 2015 14:49:45 +0200
From:	Michal Simek <monstr@...str.eu>
To:	Punnaiah Choudary Kalluri <punnaiah.choudary.kalluri@...inx.com>,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	rob@...dley.net, michal.simek@...inx.com, grant.likely@...aro.org,
	gregkh@...uxfoundation.org, jason@...edaemon.net,
	ezequiel.garcia@...e-electrons.com, arnd@...db.de,
	dwmw2@...radead.org, computersforpeace@...il.com,
	artem.bityutskiy@...ux.intel.com, jussi.kivilinna@....fi,
	acourbot@...dia.com, ivan.khoronzhuk@...com, joern@...fs.org
CC:	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
	kpc528@...il.com, kalluripunnaiahchoudary@...il.com,
	Punnaiah Choudary Kalluri <punnaia@...inx.com>
Subject: Re: [PATCH 2/2] mtd: nand: Add support for Arasan Nand Flash Controller

On 04/16/2015 03:56 PM, Punnaiah Choudary Kalluri wrote:
> Added the basic driver for Arasan Nand Flash Controller used in
> Zynq UltraScale+ MPSoC. It supports only Hw Ecc and upto 24bit
> correction.
> 
> Signed-off-by: Punnaiah Choudary Kalluri <punnaia@...inx.com>
> ---
>  drivers/mtd/nand/Kconfig      |    7 +
>  drivers/mtd/nand/Makefile     |    1 +
>  drivers/mtd/nand/arasan_nfc.c |  861 +++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 869 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/mtd/nand/arasan_nfc.c
> 
> diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
> index 5897d8d..64e497c 100644
> --- a/drivers/mtd/nand/Kconfig
> +++ b/drivers/mtd/nand/Kconfig
> @@ -530,4 +530,11 @@ config MTD_NAND_HISI504
>  	help
>  	  Enables support for NAND controller on Hisilicon SoC Hip04.
>  
> +config MTD_NAND_ARASAN
> +	tristate "Support for Arasan Nand Flash controller"
> +	depends on MTD_NAND
> +	help
> +	  Enables the driver for the Arasan Nand Flash controller on
> +	  Zynq UltraScale+ MPSoC.
> +
>  endif # MTD_NAND
> diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
> index 582bbd05..fd863ea 100644
> --- a/drivers/mtd/nand/Makefile
> +++ b/drivers/mtd/nand/Makefile
> @@ -52,5 +52,6 @@ obj-$(CONFIG_MTD_NAND_XWAY)		+= xway_nand.o
>  obj-$(CONFIG_MTD_NAND_BCM47XXNFLASH)	+= bcm47xxnflash/
>  obj-$(CONFIG_MTD_NAND_SUNXI)		+= sunxi_nand.o
>  obj-$(CONFIG_MTD_NAND_HISI504)	        += hisi504_nand.o
> +obj-$(CONFIG_MTD_NAND_ARASAN)		+= arasan_nfc.o
>  
>  nand-objs := nand_base.o nand_bbt.o nand_timings.o
> diff --git a/drivers/mtd/nand/arasan_nfc.c b/drivers/mtd/nand/arasan_nfc.c
> new file mode 100644
> index 0000000..a4b407b
> --- /dev/null
> +++ b/drivers/mtd/nand/arasan_nfc.c
> @@ -0,0 +1,861 @@
> +/*
> + * Arasan Nand Flash Controller Driver
> + *
> + * Copyright (C) 2014 - 2015 Xilinx, Inc.
> + *
> + * This program is free software; you can redistribute it and/or modify it under
> + * the terms of the GNU General Public License version 2 as published by the
> + * Free Software Foundation; either version 2 of the License, or (at your
> + * option) any later version.
> + */
> +
> +#include <linux/delay.h>
> +#include <linux/dma-mapping.h>
> +#include <linux/interrupt.h>
> +#include <linux/module.h>
> +#include <linux/mtd/mtd.h>
> +#include <linux/mtd/nand.h>
> +#include <linux/mtd/partitions.h>

For !CONFIG_OF_MTD here should be also. Kbuild system just reported this
problem.

#include <linux/of.h>

For the rest
Tested-by: Michal Simek <michal.simek@...inx.com>

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform



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