Re: [PATCH] mtd: brcmnand: Add support for v6.2 controllers

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On Sun, 3 Apr 2016 23:53:53 -0700
Brian Norris <computersforpeace@xxxxxxxxx> wrote:

> + Boris, Richard
> 
> On Thu, Mar 10, 2016 at 03:34:16PM -0800, Florian Fainelli wrote:
> > Document and match the brcm,brcmnand-v6.2 compatible string, the controller has
> > a register layout identical to the v6.0 version and supports prefetch. Update the
> > command shift logic to account for v6.2 controller which are the first ones to
> > use a shift of 0 (6.1 used a shift of 24).
> 
> Ah yes, another blip in the ever-shifting register layout of this
> controller. Fun!
> 
> > Signed-off-by: Kamal Dasu <kdasu.kdev@xxxxxxxxx>
> > Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
> 
> Acked-by: Brian Norris <computersforpeace@xxxxxxxxx>

Applied.

Thanks,

Boris

> 
> > ---
> >  Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt | 1 +
> >  drivers/mtd/nand/brcmnand/brcmnand.c                    | 3 ++-
> >  2 files changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
> > index c2546ced9c02..deb24cbdda82 100644
> > --- a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
> > +++ b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
> > @@ -24,6 +24,7 @@ Required properties:
> >                           brcm,brcmnand-v5.0
> >                           brcm,brcmnand-v6.0
> >                           brcm,brcmnand-v6.1
> > +                         brcm,brcmnand-v6.2
> >                           brcm,brcmnand-v7.0
> >                           brcm,brcmnand-v7.1
> >                           brcm,brcmnand
> > diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
> > index e0528397306a..0b7a698cc233 100644
> > --- a/drivers/mtd/nand/brcmnand/brcmnand.c
> > +++ b/drivers/mtd/nand/brcmnand/brcmnand.c
> > @@ -601,7 +601,7 @@ static void brcmnand_wr_corr_thresh(struct brcmnand_host *host, u8 val)
> >  
> >  static inline int brcmnand_cmd_shift(struct brcmnand_controller *ctrl)
> >  {
> > -	if (ctrl->nand_version < 0x0700)
> > +	if (ctrl->nand_version < 0x0602)
> >  		return 24;
> >  	return 0;
> >  }
> > @@ -2115,6 +2115,7 @@ static const struct of_device_id brcmnand_of_match[] = {
> >  	{ .compatible = "brcm,brcmnand-v5.0" },
> >  	{ .compatible = "brcm,brcmnand-v6.0" },
> >  	{ .compatible = "brcm,brcmnand-v6.1" },
> > +	{ .compatible = "brcm,brcmnand-v6.2" },
> >  	{ .compatible = "brcm,brcmnand-v7.0" },
> >  	{ .compatible = "brcm,brcmnand-v7.1" },
> >  	{},
> > -- 
> > 2.1.0
> > 



-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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