55 	uint32_t line_index;  in sam0_eic_isr()  local
62 	line_index = __CLZ(__RBIT(bits));  in sam0_eic_isr()
63 	bits >>= line_index;  in sam0_eic_isr()
66 		line_index = 0;  in sam0_eic_isr()
68 		line_index = 8;  in sam0_eic_isr()
77 	for (; bits; bits >>= 1, line_index++) {  in sam0_eic_isr()
88 			&dev_data->lines[line_index];  in sam0_eic_isr()
104 	int line_index;  in sam0_eic_acquire()  local
110 	line_index = sam0_eic_map_to_line(port, pin);  in sam0_eic_acquire()
111 	if (line_index < 0) {  in sam0_eic_acquire()
112 		return line_index;  in sam0_eic_acquire()
115 	mask = BIT(line_index);  in sam0_eic_acquire()
116 	config_index = line_index / 8;  in sam0_eic_acquire()
117 	config_shift = (line_index % 8) * 4;  in sam0_eic_acquire()
124 	line_assignment = &dev_data->lines[line_index];  in sam0_eic_acquire()
187 static bool sam0_eic_check_ownership(int port, int pin, int line_index)  in sam0_eic_check_ownership()  argument
192 		&dev_data->lines[line_index];  in sam0_eic_check_ownership()
211 	int line_index;  in sam0_eic_release()  local
216 	line_index = sam0_eic_map_to_line(port, pin);  in sam0_eic_release()
217 	if (line_index < 0) {  in sam0_eic_release()
218 		return line_index;  in sam0_eic_release()
221 	mask = BIT(line_index);  in sam0_eic_release()
222 	config_index = line_index / 8;  in sam0_eic_release()
223 	config_shift = (line_index % 8) * 4;  in sam0_eic_release()
235 	if (!sam0_eic_check_ownership(port, pin, line_index)) {  in sam0_eic_release()
239 	dev_data->lines[line_index].enabled = 0;  in sam0_eic_release()
258 	int line_index;  in sam0_eic_enable_interrupt()  local
260 	line_index = sam0_eic_map_to_line(port, pin);  in sam0_eic_enable_interrupt()
261 	if (line_index < 0) {  in sam0_eic_enable_interrupt()
262 		return line_index;  in sam0_eic_enable_interrupt()
265 	if (!sam0_eic_check_ownership(port, pin, line_index)) {  in sam0_eic_enable_interrupt()
269 	mask = BIT(line_index);  in sam0_eic_enable_interrupt()
279 	int line_index;  in sam0_eic_disable_interrupt()  local
281 	line_index = sam0_eic_map_to_line(port, pin);  in sam0_eic_disable_interrupt()
282 	if (line_index < 0) {  in sam0_eic_disable_interrupt()
283 		return line_index;  in sam0_eic_disable_interrupt()
286 	if (!sam0_eic_check_ownership(port, pin, line_index)) {  in sam0_eic_disable_interrupt()
290 	mask = BIT(line_index);  in sam0_eic_disable_interrupt()
305 	for (int line_index = 0; line_index < EIC_EXTINT_NUM; line_index++) {  in sam0_eic_interrupt_pending()  local
306 		line_assignment = &dev_data->lines[line_index];  in sam0_eic_interrupt_pending()
316 		if (!(set & BIT(line_index))) {  in sam0_eic_interrupt_pending()