Re: [PATCH] HID: logitech-dj: make const array template static

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On Fri, 10 May 2019, Colin King wrote:

> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> Don't populate the array template  on the stack but instead make it
> static. Makes the object code smaller by 10 bytes. Also reformat
> the declaration.
> 
> Before:
>    text	   data	    bss	    dec	    hex	filename
>   29376	   9360	    128	  38864	   97d0	drivers/hid/hid-logitech-dj.o
> 
> After:
>    text	   data	    bss	    dec	    hex	filename
>   29270	   9456	    128	  38854	   97c6	drivers/hid/hid-logitech-dj.o
> 
> (gcc version 8.3.0, amd64)
> 
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  drivers/hid/hid-logitech-dj.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
> index b1e894618eed..72d0ab05401f 100644
> --- a/drivers/hid/hid-logitech-dj.c
> +++ b/drivers/hid/hid-logitech-dj.c
> @@ -1111,12 +1111,14 @@ static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev,
>  
>  static int logi_dj_recv_query_hidpp_devices(struct dj_receiver_dev *djrcv_dev)
>  {
> -	const u8 template[] = {REPORT_ID_HIDPP_SHORT,
> -			       HIDPP_RECEIVER_INDEX,
> -			       HIDPP_SET_REGISTER,
> -			       HIDPP_REG_CONNECTION_STATE,
> -			       HIDPP_FAKE_DEVICE_ARRIVAL,
> -			       0x00, 0x00};
> +	static const u8 template[] = {
> +		REPORT_ID_HIDPP_SHORT,
> +		HIDPP_RECEIVER_INDEX,
> +		HIDPP_SET_REGISTER,
> +		HIDPP_REG_CONNECTION_STATE,
> +		HIDPP_FAKE_DEVICE_ARRIVAL,
> +		0x00, 0x00
> +	};

Applied.

-- 
Jiri Kosina
SUSE Labs




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