In fact, don't use a temporary at all

DHowett · DHowett · commit fa84901d21a1 · 2022-01-23T13:59:43.000-06:00
diff --git a/board/hx20/battery.c b/board/hx20/battery.c
@@ -363,9 +363,7 @@ static enum ec_status cmd_charging_limit_control(struct host_cmd_handler_args *a
 		charging_maximum_level = charging_maximum_level | CHG_LIMIT_OVERRIDE;
 
 	if (p->modes & CHG_LIMIT_GET_LIMIT) {
-		uint8_t max = 0;
-		system_get_bbram(SYSTEM_BBRAM_IDX_CHG_MAX, &max);
-		r->max_percentage = max;
+		system_get_bbram(SYSTEM_BBRAM_IDX_CHG_MAX, &r->max_percentage);
 		args->response_size = sizeof(*r);
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -363,9 +363,7 @@ static enum ec_status cmd_charging_limit_control(struct host_cmd_handler_args *a`
`363`	`363`	`charging_maximum_level = charging_maximum_level \| CHG_LIMIT_OVERRIDE;`
`364`	`364`
`365`	`365`	`if (p->modes & CHG_LIMIT_GET_LIMIT) {`
`366`		`- uint8_t max = 0;`
`367`		`- system_get_bbram(SYSTEM_BBRAM_IDX_CHG_MAX, &max);`
`368`		`- r->max_percentage = max;`
	`366`	`+ system_get_bbram(SYSTEM_BBRAM_IDX_CHG_MAX, &r->max_percentage);`
`369`	`367`	`args->response_size = sizeof(*r);`
`370`	`368`	`}`
`371`	`369`