mmc: slot-gpio: Update default label when no con_id provided

Currently default label of GPIO is assigned to the device name,
when no con_id provided. Instead, let's update it to reflect
what it's about (use already prepared template).

Signed-off-by: Andy Shevchenko <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Ulf Hansson <[e-mail]>

drivers/mmc/core/slot-gpio.c

···
 	if (IS_ERR(desc))
 		return PTR_ERR(desc);
 
+	/* Update default label if no con_id provided */
+	if (!con_id)
+		gpiod_set_consumer_name(desc, ctx->cd_label);
+
 	if (debounce) {
 		ret = gpiod_set_debounce(desc, debounce);
 		if (ret < 0)
···
 	desc = devm_gpiod_get_index(host->parent, con_id, idx, GPIOD_IN);
 	if (IS_ERR(desc))
 		return PTR_ERR(desc);
+
+	/* Update default label if no con_id provided */
+	if (!con_id)
+		gpiod_set_consumer_name(desc, ctx->ro_label);
 
 	if (debounce) {
 		ret = gpiod_set_debounce(desc, debounce);