linux-kernel - Re: [PATCH] mtd: rawnand: driver for Mediatek MT7621 SoC NAND flash controller

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Date:   Thu, 7 Nov 2019 09:40:07 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     gerg@...nel.org
Cc:     devel@...verdev.osuosl.org, linux-mediatek@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        neil@...wn.name, blogic@...nwrt.org
Subject: Re: [PATCH] mtd: rawnand: driver for Mediatek MT7621 SoC NAND flash
 controller

On Thu, Nov 07, 2019 at 05:35:21PM +1000, gerg@...nel.org wrote:
> From: Greg Ungerer <gerg@...nel.org>
> 
> Add a driver to support the NAND flash controller of the MediaTek MT7621
> System-on-Chip device. (This one is the MIPS based parts from Mediatek).
> 
> This code is a re-working of the earlier patches for this hardware that
> have been floating around the internet for years:
> 
> https://github.com/ReclaimYourPrivacy/cloak/blob/master/target/linux/ramips/patches-3.18/0045-mtd-add-mt7621-nand-support.patch
> 
> This is a much cleaned up version, put in staging to start with.
> It does still have some problems, mainly that it still uses a lot of the
> mtd raw nand legacy support.

Is that an issue?  Why not just put it in the "real" part of the kernel
then, if those apis are still in use?

> The driver not only compiles, but it works well on the small range of
> hardware platforms that it has been used on so far. I have been using
> for quite a while now, cleaning up as I get time.
> 
> So... I am looking for comments on the best approach forward with this.
> At least in staging it can get some more eyeballs going over it.

staging will just nit-pick it to death for coding style issues, it's not
going to be get any major api changes/cleanups there usually.  I'd
recommend just merging this to the "real" part of the kernel now if it's
working for you.

thanks,

greg k-h