linux-kernel - Re: [PATCH 1/4] misc: eeprom_93xx46: Add new at93c56 and at93c66 compatible strings

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Date:   Sat, 24 Apr 2021 15:02:00 +0200
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
        Jonathan Neuschäfer <j.neuschaefer@....net>,
        Rob Herring <robh+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Aswath Govindraju <a-govindraju@...com>,
        Vadym Kochan <vadym.kochan@...ision.eu>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 1/4] misc: eeprom_93xx46: Add new at93c56 and at93c66
 compatible strings

On Sat, Apr 24, 2021 at 02:30:30PM +0200, Emmanuel Gil Peyrot wrote:
> These two devices have respectively 2048 and 4096 bits of storage,
> compared to 1024 for the 93c46.
> 
> Signed-off-by: Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> ---
>  .../bindings/misc/eeprom-93xx46.txt           |  3 +++
>  drivers/misc/eeprom/eeprom_93xx46.c           | 21 ++++++++++++++++++-
>  include/linux/eeprom_93xx46.h                 |  3 +++
>  3 files changed, 26 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt
> index 7b636b7a8311..72ea0af368d4 100644
> --- a/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt
> +++ b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt
> @@ -2,7 +2,10 @@ EEPROMs (SPI) compatible with Microchip Technology 93xx46 family.
>  
>  Required properties:
>  - compatible : shall be one of:
> +    "atmel,at93c46"
>      "atmel,at93c46d"
> +    "atmel,at93c56"
> +    "atmel,at93c66"
>      "eeprom-93xx46"
>      "microchip,93lc46b"
>  - data-size : number of data bits per word (either 8 or 16)

The DT binding patch should ideally be separate from the driver patch.

> diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c
> index 80114f4c80ad..64dd76f66463 100644
> --- a/drivers/misc/eeprom/eeprom_93xx46.c
> +++ b/drivers/misc/eeprom/eeprom_93xx46.c


other than that, the patch looks fine to me, AFAICT.


Thanks,
Jonathan

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