Re: [PATCH v2 4/9] mtd: rawnand: jz4780: Add support for the JZ4740

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On Sun, 03 Feb 2019 11:10:50 -0300
Paul Cercueil <paul@xxxxxxxxxxxxxxx> wrote:

> Le dim. 3 févr. 2019 à 11:08, Boris Brezillon <bbrezillon@xxxxxxxxxx> 
> a écrit :
> > On Sun, 03 Feb 2019 10:56:53 -0300
> > Paul Cercueil <paul@xxxxxxxxxxxxxxx> wrote:
> >   
> >>  Le dim. 3 févr. 2019 à 4:31, Boris Brezillon 
> >> <bbrezillon@xxxxxxxxxx>
> >>  a écrit :  
> >>  > On Sat,  2 Feb 2019 20:19:21 -0300
> >>  > Paul Cercueil <paul@xxxxxxxxxxxxxxx> wrote:
> >>  >  
> >>  >>  Add support for probing the jz4780-nand driver on the JZ4740 SoC
> >>  >> from
> >>  >>  Ingenic.
> >>  >>
> >>  >>  Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> >>  >>  ---
> >>  >>
> >>  >>  Changes:
> >>  >>
> >>  >>  v2: - Add support for the JZ4740 and not the JZ4725B: they   
> >> behave  
> >>  >> the
> >>  >>        same, and JZ4740 is fully upstream while JZ4725B is not.   
> >> The  
> >>  >>        JZ4725B devicetree will then simply use the
> >>  >> "ingenic,jz4740-nand"
> >>  >>        compatible string.
> >>  >>      - Fix the number of bytes for the ECC when the ECC strength   
> >> is  
> >>  >> 4.
> >>  >>        This is needed for the JZ4740, which uses Reed-Solomon
> >>  >> instead of
> >>  >>        BCH.
> >>  >>
> >>  >>   drivers/mtd/nand/raw/ingenic/jz4780_nand.c | 48
> >>  >> +++++++++++++++++-----  
> >>  >
> >>  > If we're going to make the driver compatible with jz4740 and   
> >> jz4725b  
> >>  > maybe we should rename the source files jz47xx_{nand,bch}.{c,h}.  
> >> 
> >>  I don't know about that. Adding support for new hardware isn't a 
> >> good
> >>  reason to
> >>  rename the driver, or so I've been told around here, as you then 
> >> make
> >>  it harder
> >>  to review the git history of the driver.  
> > 
> > You already move files to a sub-directory so that doesn't make a huge
> > difference, history will be hard to follow because of this move 
> > anyway.  
> 
> Yes, but if I merge the *_bch.c files together, and eventually drop
> jz4740-nand.c, does it still make sense to move to a sub-directory?
> 

Still prefer to make things explicit over preserving file names to
make git log <path> history linear. And anyway, how hard is it to figure
out that the last commit in git log drivers/mtd/nand/raw/<driver>.c is
moving the file (there might even be an option for that)?




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