Re: [PATCH] iio: adc: at91: make array startup_lookup static

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On Mon, 10 Jul 2017 18:46:54 +0100
Colin King <colin.king@xxxxxxxxxxxxx> wrote:

> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> Don't populate array startup_lookup on the stack but instead make
> it static.  Makes the object code smaller.
> 
> Before:
>    text	   data	    bss	    dec	    hex	filename
>   21754	   5440	    128	  27322	   6aba	drivers/iio/adc/at91_adc.o
> 
> After:
>    text	   data	    bss	    dec	    hex	filename
>   21613	   5496	    128	  27237	   6a65	drivers/iio/adc/at91_adc.o
> 
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Applied to the togreg branch of iio.git and pushed out as testing for the
autobuilders to play with it.

Thanks,

Jonathan
> ---
>  drivers/iio/adc/at91_adc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
> index 34b928cefeed..15109728cae7 100644
> --- a/drivers/iio/adc/at91_adc.c
> +++ b/drivers/iio/adc/at91_adc.c
> @@ -799,7 +799,7 @@ static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz)
>  	 * For sama5d3x and at91sam9x5, the formula changes to:
>  	 * Startup Time = <lookup_table_value> / ADC Clock
>  	 */
> -	const int startup_lookup[] = {
> +	static const int startup_lookup[] = {
>  		0,   8,   16,  24,
>  		64,  80,  96,  112,
>  		512, 576, 640, 704,

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