Re: [PATCH 08/15] input: touchscreen: surface3_spi: Remove set but unused variable 'timestamp'

Dmitry Torokhov
2020-11-13T07:40:33Z

On Thu, Nov 12, 2020 at 11:01:57AM +0000, Lee Jones wrote:
> Fixes the following W=1 kernel build warning(s):
>
> drivers/input/touchscreen/surface3_spi.c: In function ‘surface3_spi_process_touch’:
> drivers/input/touchscreen/surface3_spi.c:97:6: warning: variable ‘timestamp’ set but not used [-Wunused-but-set-variable]
>
> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Cc: Henrik Rydberg <rydberg@bitmath.org>
> Cc: Benjamin Tissoires <benjamin.tissoires@gmail.com>
> Cc: linux-input@vger.kernel.org
> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> ---
> drivers/input/touchscreen/surface3_spi.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/input/touchscreen/surface3_spi.c b/drivers/input/touchscreen/surface3_spi.c
> index ce4828b1415a8..72dc4c562a4e1 100644
> --- a/drivers/input/touchscreen/surface3_spi.c
> +++ b/drivers/input/touchscreen/surface3_spi.c
> @@ -94,9 +94,7 @@ static void surface3_spi_report_touch(struct surface3_ts_data *ts_data,
>
> static void surface3_spi_process_touch(struct surface3_ts_data *ts_data, u8 *data)
> {
> - u16 timestamp;
> unsigned int i;
> - timestamp = get_unaligned_le16(&data[15]);

Benjamin, should we pass timing data on to userspace instead?

>
> for (i = 0; i < 13; i++) {
> struct surface3_ts_data_finger *finger;
> --
> 2.25.1
>

Thanks.

--
Dmitry