[PATCH 0/2] staging: mtd: Support for GigaDevice SPI NAND flash

Greg KH gregkh at linuxfoundation.org
Thu Nov 6 08:05:48 PST 2014


On Thu, Nov 06, 2014 at 03:51:17PM +0000, Ionela Voinescu wrote:
> Hi, 
> 
> These patches add support for GigaDevice 4Gb SPI NAND flash.
> This is an initial version, adding it to staging, as there is no existing 
> framework for SPI NAND as there is for SPI NOR in MTD.
> 
> Therefore, I want to start an early discussion about this in order to find 
> the best way to integrate it. I am at the beginning regarding both upstreaming 
> and understanding all of the MTD layer, so your comments and ideas are 
> welcomed.
> 
> I've structured this driver similar to the existing Micron SPI NAND 
> (mt29f_spinand), in order to make it easier to understand the common code.
> I know there is an atempt to add support for a generic SPI NAND based 
> framework from Sourav Poddar but that never got merged, and it would be 
> a valid option to consider.
> 
> http://lists.infradead.org/pipermail/linux-mtd/2013-July/047373.html
> 
> This initial version does not implement all the functionality and I will 
> add to it once we decide on a structure. This is based on linux-next. 
> 
> Thank you and I welcome all comments,

If you want to add code to the staging tree, you need a TODO file that
lists what is needed to be done to the driver in order to get it out of
the staging tree.  Otherwise I don't know why the code is in staging at
all, and not in the "real" part of the kernel.

thanks,

greg k-h



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