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

Commit Message

Eirin Nya March 8, 2023, 1:13 p.m. UTC

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 <[e-mail]>
Reviewed-by: Mattijs Korpershoek <[e-mail]>
---
 drivers/input/mouse/elantech.c | 4 +---
 drivers/input/mouse/elantech.h | 1 -
 2 files changed, 1 insertion(+), 4 deletions(-)

Patch

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 79e31611fc6e..263779c0313b 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 1ec004f72d13..fb093134ead7 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;