[PATCH] Staging: MTD: Micron SPINAND Driver support

[Greg KH]

On Mon, Sep 02, 2013 at 06:52:16PM +0530, Kamlakant Patel wrote:
> This patch adds support for Micron SPINAND via MTD.
> 
> Signed-off-by: Mona Anonuevo <manonuevo at micron.com>
> Signed-off-by: Kamlakant Patel <kamlakant.patel at broadcom.com>
> ---
> This patch has to be merged via staging tree.
>   
> This is a driver from Micron for MT29F1G01ZACH4 SPI based NAND chips. This driver had
> been posted multiple times to the mtd list.
> 1. http://lists.infradead.org/pipermail/linux-mtd/2010-May/031975.html
> 2. http://lists.infradead.org/pipermail/linux-mtd/2010-April/029523.html
> 3. patchwork.ozlabs.org/patch/258697/
> This has not been merged into the main kernel yet.
> 
> I have cleaned and updated it for current kernel. Since there are many users for
> this driver, it may be useful to add it to the staging tree, where further fixes and
> cleanups can be done. Once it reaches to the standard will be moved to the mtd.
> 
> This driver has been tested with Micron SPINAND MT29F1G01ZACH4 chip on kernel 3.11 on 
> the Netlogic XLP platform.
>  
> Mona Anonuevo, I have retained your sign-offs from the original patch.
> 
>  drivers/staging/Kconfig                       |   2 +
>  drivers/staging/Makefile                      |   1 +
>  drivers/staging/mt29f_spinand/Kconfig         |  16 +
>  drivers/staging/mt29f_spinand/Makefile        |   1 +
>  drivers/staging/mt29f_spinand/TODO            |  13 +
>  drivers/staging/mt29f_spinand/mt29f_spinand.c | 917 ++++++++++++++++++++++++++
>  drivers/staging/mt29f_spinand/mt29f_spinand.h | 109 +++
>  7 files changed, 1059 insertions(+)
>  create mode 100644 drivers/staging/mt29f_spinand/Kconfig
>  create mode 100644 drivers/staging/mt29f_spinand/Makefile
>  create mode 100644 drivers/staging/mt29f_spinand/TODO
>  create mode 100644 drivers/staging/mt29f_spinand/mt29f_spinand.c
>  create mode 100644 drivers/staging/mt29f_spinand/mt29f_spinand.h
> 
> diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
> index 57d8b34..8846a92 100644
> --- a/drivers/staging/Kconfig
> +++ b/drivers/staging/Kconfig
> @@ -136,6 +136,8 @@ source "drivers/staging/goldfish/Kconfig"
>  
>  source "drivers/staging/netlogic/Kconfig"
>  
> +source "drivers/staging/mt29f_spinand/Kconfig"
> +
>  source "drivers/staging/dwc2/Kconfig"
>  
>  source "drivers/staging/lustre/Kconfig"
> diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
> index 429321f..1b7b060 100644
> --- a/drivers/staging/Makefile
> +++ b/drivers/staging/Makefile
> @@ -63,3 +63,4 @@ obj-$(CONFIG_GOLDFISH)		+= goldfish/
>  obj-$(CONFIG_XILLYBUS)		+= xillybus/
>  obj-$(CONFIG_DGNC)			+= dgnc/
>  obj-$(CONFIG_DGAP)			+= dgap/
> +obj-$(CONFIG_MTD_SPINAND_MT29F)	+= mt29f_spinand/
> diff --git a/drivers/staging/mt29f_spinand/Kconfig b/drivers/staging/mt29f_spinand/Kconfig
> new file mode 100644
> index 0000000..07dd535
> --- /dev/null
> +++ b/drivers/staging/mt29f_spinand/Kconfig
> @@ -0,0 +1,16 @@
> +config MTD_SPINAND_MT29F
> +	tristate "SPINAND Device Support for Micron"
> +	depends on MTD
> +	help
> +	  This enables support for accessing Micron SPI NAND flash
> +	  devices.
> +	  If you have Micron SPI NAND chip say yes.
> +
> +	  If unsure, say no here.
> +
> +config MTD_SPINAND_ONDIEECC
> +	bool "Use SPINAND internal ECC"

This needs to depend on MTD_SPINAND_MT29F in order to make any sense,
right?

Can you please send a follow-on patch for it?

thanks,

greg k-h