On Thu, 19 Oct 2017 15:46:22 +0200
Colin King <[email protected]> wrote:

> From: Colin Ian King <[email protected]>
> 
> Don't populate const array ch_to_mux on the stack, instead
> make it static. Makes the object code smaller by over 200 bytes:
> 
> Before:
>    text          data     bss     dec     hex filename
>   12663          1648     128   14439    3867 drivers/iio/adc/ti-adc12138.o
> 
> After
>    text          data     bss     dec     hex filename
>   12353          1744     128   14225    3791 drivers/iio/adc/ti-adc12138.o
> 
> (gcc version 7.2.0 x86_64)
> 
> Signed-off-by: Colin Ian King <[email protected]>
Thanks.  I added the driver name to the title though as people tend
to scan lists of commits to see if there is anything they care about
and this only effects on driver rather than all adcs.

Applied to the togreg branch of iio.git and pusehd out as testing for the
autobuilders to play with it.

thanks,

Jonathan
> ---
>  drivers/iio/adc/ti-adc12138.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/ti-adc12138.c b/drivers/iio/adc/ti-adc12138.c
> index bf890244789a..703d68ae96b7 100644
> --- a/drivers/iio/adc/ti-adc12138.c
> +++ b/drivers/iio/adc/ti-adc12138.c
> @@ -164,7 +164,7 @@ static int __adc12138_start_conv(struct adc12138 *adc,
>                                void *data, int len)
>  
>  {
> -     const u8 ch_to_mux[] = { 0, 4, 1, 5, 2, 6, 3, 7 };
> +     static const u8 ch_to_mux[] = { 0, 4, 1, 5, 2, 6, 3, 7 };
>       u8 mode = (ch_to_mux[channel->channel] << 4) |
>                 (channel->differential ? 0 : 0x80);
>  

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