[PATCH V2 2/3] Input: elantech - Remove redundant field elantech_data::width

Eirin Nya
2022-10-14T11:16:34Z

elantech_data::width is copied from elantech_device_info::width, and
neither is mutated after initialization. So remove the redundant
variable to prevent future bugs.

Signed-off-by: Eirin Nya <nyanpasu256@gmail.com>
---
drivers/input/mouse/elantech.c | 4 +---
drivers/input/mouse/elantech.h | 1 -
2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 79e31611fc..263779c031 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -691,7 +691,7 @@ static void process_packet_head_v4(struct psmouse *psmouse)
input_report_abs(dev, ABS_MT_POSITION_X, etd->mt[id].x);
input_report_abs(dev, ABS_MT_POSITION_Y, etd->mt[id].y);
input_report_abs(dev, ABS_MT_PRESSURE, pres);
- input_report_abs(dev, ABS_MT_TOUCH_MAJOR, traces * etd->width);
+ input_report_abs(dev, ABS_MT_TOUCH_MAJOR, traces * etd->info.width);
/* report this for backwards compatibility */
input_report_abs(dev, ABS_TOOL_WIDTH, traces);

@@ -1253,8 +1253,6 @@ static int elantech_set_input_params(struct psmouse *psmouse)
input_abs_set_res(dev, ABS_MT_POSITION_Y, info->y_res);
}

- etd->width = width;
-
return 0;
}

diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index 1ec004f72d..fb093134ea 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -180,7 +180,6 @@ struct elantech_data {
unsigned char reg_25;
unsigned char reg_26;
unsigned int single_finger_reports;
- unsigned int width;
struct finger_pos mt[ETP_MAX_FINGERS];
unsigned char parity[256];
struct elantech_device_info info;
--
2.38.0