Merge tag 'tty-6.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull serial driver fixes from Greg KH:
"Here are three small serial driver fixes tree. They resolve some
reported issues:

- stm32 break control fix

- 8250 runtime pm usage counter fix

- imx driver locking fix

All have been in my tree and linux-next for three weeks now, with no
reported issues"

* tag 'tty-6.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: stm32: use port lock wrappers for break control
serial: imx: Use uart_port_lock_irq() instead of uart_port_lock()
tty: serial: 8250: Fix another runtime PM usage counter underflow

drivers/tty/serial/8250/8250_core.c

···
 			uart->dl_write = up->dl_write;
 
 		if (uart->port.type != PORT_8250_CIR) {
+			if (uart_console_registered(&uart->port))
+				pm_runtime_get_sync(uart->port.dev);
+
 			if (serial8250_isa_config != NULL)
 				serial8250_isa_config(0, &uart->port,
 						&uart->capabilities);

drivers/tty/serial/imx.c

···
 {
 	u32 ucr3;
 
-	uart_port_lock(&sport->port);
+	uart_port_lock_irq(&sport->port);
 
 	ucr3 = imx_uart_readl(sport, UCR3);
 	if (on) {
···
 		imx_uart_writel(sport, ucr1, UCR1);
 	}
 
-	uart_port_unlock(&sport->port);
+	uart_port_unlock_irq(&sport->port);
 }
 
 static int imx_uart_suspend_noirq(struct device *dev)

drivers/tty/serial/stm32-usart.c

···
 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;
 	unsigned long flags;
 
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 
 	if (break_state)
 		stm32_usart_set_bits(port, ofs->rqr, USART_RQR_SBKRQ);
 	else
 		stm32_usart_clr_bits(port, ofs->rqr, USART_RQR_SBKRQ);
 
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 }
 
 static int stm32_usart_startup(struct uart_port *port)