linux-kernel - Re: [PATCH] iio: accel: make array init

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Message-ID: <20170709191202.29cd4c3f@kernel.org>
Date:   Sun, 9 Jul 2017 19:12:02 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Colin King <colin.king@...onical.com>
Cc:     Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Hans de Goede <hdegoede@...hat.com>,
        Rob Herring <robh@...nel.org>, linux-iio@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: accel: make array init_data static to reduce code
 size

On Fri,  7 Jul 2017 16:55:19 +0100
Colin King <colin.king@...onical.com> wrote:

> From: Colin Ian King <colin.king@...onical.com>
> 
> Making the const array init_data static rather having it on the
> stack saves us a couple hundreds of bytes:
> 
> Before:
>    text	   data	    bss	    dec	    hex	filename
>    3175	    848	      0	   4023	    fb7	drivers/iio/accel/da311.o
> 
> After:
>    text	   data	    bss	    dec	    hex	filename
>    2860	    936	      0	   3796	    ed4	drivers/iio/accel/da311.o
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
Applied.

Thanks,

Jonathan
> ---
>  drivers/iio/accel/da311.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/accel/da311.c b/drivers/iio/accel/da311.c
> index 537cfa8b6edf..c0c1620d2a2f 100644
> --- a/drivers/iio/accel/da311.c
> +++ b/drivers/iio/accel/da311.c
> @@ -139,7 +139,7 @@ static int da311_register_mask_write(struct i2c_client *client, u16 addr,
>  /* Init sequence taken from the android driver */
>  static int da311_reset(struct i2c_client *client)
>  {
> -	const struct {
> +	static const struct {
>  		u16 addr;
>  		u8 mask;
>  		u8 data;