139 static const struct esp32_uart_variant *port_variant(struct uart_port *port)  in port_variant()  function
158 	return (status & port_variant(port)->txfifo_cnt_mask) >> UART_TXFIFO_CNT_SHIFT;  in esp32_uart_tx_fifo_cnt()
165 	return (status & port_variant(port)->rxfifo_cnt_mask) >> UART_RXFIFO_CNT_SHIFT;  in esp32_uart_rx_fifo_cnt()
340 	if (port_variant(port)->has_clkconf)  in esp32_uart_startup()
345 			 (1 << port_variant(port)->txfifo_empty_thrhd_shift));  in esp32_uart_startup()
367 	if (port_variant(port)->has_clkconf) {  in esp32_uart_set_baud()
368 		u32 sclk_div = div / port_variant(port)->clkdiv_mask;  in esp32_uart_set_baud()
370 		if (div > port_variant(port)->clkdiv_mask) {  in esp32_uart_set_baud()
379 	if (div <= port_variant(port)->clkdiv_mask) {  in esp32_uart_set_baud()
397 	const u32 rx_flow_en = port_variant(port)->rx_flow_en;  in esp32_uart_set_termios()
398 	u32 max_div = port_variant(port)->clkdiv_mask;  in esp32_uart_set_termios()
402 	if (port_variant(port)->has_clkconf)  in esp32_uart_set_termios()
468 	return port_variant(port)->type;  in esp32_uart_type()