linux-kernel - Re: [PATCH 2/3] nand: brcmnand: fix CS0 layout

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Date:   Mon, 11 May 2020 19:01:56 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Álvaro Fernández Rojas <noltari@...il.com>
Cc:     computersforpeace@...il.com, kdasu.kdev@...il.com, richard@....at,
        vigneshr@...com, sumit.semwal@...aro.org,
        linux-mtd@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org
Subject: Re: [PATCH 2/3] nand: brcmnand: fix CS0 layout

Hi Álvaro,

Álvaro Fernández Rojas <noltari@...il.com> wrote on Sun, 10 May 2020
17:14:05 +0200:

> Only v3.3-v5.0 have a different CS0 layout.
> v3.3- controllers use the same layout for every CS.

I had a hard time what you meant here, just because of the trailing
dash. 

    "Controllers before v3.3..."

would be more understandable.

Also please add a Fixes/Cc: stable tag here.

> 
> Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
> ---
>  drivers/mtd/nand/raw/brcmnand/brcmnand.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> index 6a08dd07b058..72b268d8e3a4 100644
> --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> @@ -606,8 +606,9 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl)
>  	} else {
>  		ctrl->cs_offsets = brcmnand_cs_offsets;
>  
> -		/* v5.0 and earlier has a different CS0 offset layout */
> -		if (ctrl->nand_version <= 0x0500)
> +		/* v3.3-5.0 have a different CS0 offset layout */
> +		if (ctrl->nand_version >= 0x0303 &&
> +		    ctrl->nand_version <= 0x0500)
>  			ctrl->cs0_offsets = brcmnand_cs_offsets_cs0;
>  	}
>  


Thanks,
Miquèl