linux-kernel - Re: [PATCH] hwmon: abituguru: make array probe

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Date:   Sun, 6 Oct 2019 08:34:09 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Colin King <colin.king@...onical.com>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Jean Delvare <jdelvare@...e.com>, linux-hwmon@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: abituguru: make array probe_order static, makes
 object smaller

On Sun, Oct 06, 2019 at 03:52:31PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Don't populate the array probe_order on the stack but instead make it
> static. Makes the object code smaller by 94 bytes.
> 
> Before:
>    text	   data	    bss	    dec	    hex	filename
>   41473	  13448	    320	  55241	   d7c9	drivers/hwmon/abituguru.o
> 
> After:
>    text	   data	    bss	    dec	    hex	filename
>   41315	  13512	    320	  55147	   d76b	drivers/hwmon/abituguru.o
> 
> (gcc version 9.2.1, amd64)
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Applied.

Thanks,
Guenter

> ---
>  drivers/hwmon/abituguru.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c
> index a5cf6b2a6e49..681f0623868f 100644
> --- a/drivers/hwmon/abituguru.c
> +++ b/drivers/hwmon/abituguru.c
> @@ -1264,7 +1264,7 @@ static int abituguru_probe(struct platform_device *pdev)
>  	 * El weirdo probe order, to keep the sysfs order identical to the
>  	 * BIOS and window-appliction listing order.
>  	 */
> -	const u8 probe_order[ABIT_UGURU_MAX_BANK1_SENSORS] = {
> +	static const u8 probe_order[ABIT_UGURU_MAX_BANK1_SENSORS] = {
>  		0x00, 0x01, 0x03, 0x04, 0x0A, 0x08, 0x0E, 0x02,
>  		0x09, 0x06, 0x05, 0x0B, 0x0F, 0x0D, 0x07, 0x0C };
>