linux-kernel - Re: [PATCH 1/3] eeprom: at25: Drop obsolete cast in at25_ee

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Date:   Wed, 10 Oct 2018 16:01:07 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        linux-mtd@...ts.infradead.org
Subject: Re: [PATCH 1/3] eeprom: at25: Drop obsolete cast in at25_ee_write()

On 10/10/18, Geert Uytterhoeven <geert+renesas@...der.be> wrote:
> Since commit 01973a01f9ec34b7 ("eeprom: at25: remove nvmem regmap
> dependency") changed the type of "off" from "loff_t" to "unsigned int",
> there is no longer a need to cast it to "unsigned".
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
>  drivers/misc/eeprom/at25.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
> index 840afb398f9e4c88..7707d3fb49b526d9 100644
> --- a/drivers/misc/eeprom/at25.c
> +++ b/drivers/misc/eeprom/at25.c
> @@ -160,7 +160,7 @@ static int at25_ee_write(void *priv, unsigned int off,
> void *val, size_t count)
>  	do {
>  		unsigned long	timeout, retries;
>  		unsigned	segment;
> -		unsigned	offset = (unsigned) off;
> +		unsigned	offset = off;
>  		u8		*cp = bounce;
>  		int		sr;
>  		u8		instr;
> --

This looks correct, but why not remove the extra variable completely
and rename 'off' to 'offset'?

      Arnd