linux-kernel - Re: [PATCH v2 2/2] eeprom: at24: remove temporary fix for at24mac402 size.

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Message-ID: <CAMRc=McswJwb=0BxkLOg6fVcH4w6SUY7VWgFG33g0J9W_JXm7g@mail.gmail.com>
Date:   Wed, 20 Dec 2017 18:18:31 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Sven Van Asbroeck <svendev@...x.com>
Cc:     Wolfram Sang <wsa@...-dreams.de>, nsekhar@...com,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Javier Martinez Canillas <javier@...hile0.org>,
        Divagar Mohandass <divagar.mohandass@...el.com>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-i2c <linux-i2c@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] eeprom: at24: remove temporary fix for at24mac402 size.

2017-12-08 22:25 GMT+01:00 Sven Van Asbroeck <svendev@...x.com>:
> The chip size passed via devicetree, i2c, or acpi device ids is
> now no longer limited to a power of two. So the temporary
> fix can be removed.
>
> Signed-off-by: Sven Van Asbroeck <svendev@...x.com>
> ---
>  drivers/misc/eeprom/at24.c | 10 ----------
>  1 file changed, 10 deletions(-)
>
> diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
> index c3759cb..e522350 100644
> --- a/drivers/misc/eeprom/at24.c
> +++ b/drivers/misc/eeprom/at24.c
> @@ -569,16 +569,6 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
>                 dev_warn(&client->dev,
>                         "page_size looks suspicious (no power of 2)!\n");
>
> -       /*
> -        * REVISIT: the size of the EUI-48 byte array is 6 in at24mac402, while
> -        * the call to ilog2() in AT24_DEVICE_MAGIC() rounds it down to 4.
> -        *
> -        * Eventually we'll get rid of the magic values altoghether in favor of
> -        * real structs, but for now just manually set the right size.
> -        */
> -       if (chip.flags & AT24_FLAG_MAC && chip.byte_len == 4)
> -               chip.byte_len = 6;
> -
>         if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C) &&
>             !i2c_check_functionality(client->adapter,
>                                      I2C_FUNC_SMBUS_WRITE_I2C_BLOCK))
> --
> 1.9.1
>

Applied, thanks!