serial: ucc_uart: Switch to irq_get_nr_irqs()

Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-18-bvanassche@acm.org

diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index 53bb8c5ef499ecd0e3cbfd781a6ca416b9350ea5..4eed909468ff6dfe0e24dab2d8217bac2c543e5c 100644 (file)
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -1045,7 +1045,7 @@ static int qe_uart_verify_port(struct uart_port *port,
        if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM)
                return -EINVAL;
 
-       if (ser->irq < 0 || ser->irq >= nr_irqs)
+       if (ser->irq < 0 || ser->irq >= irq_get_nr_irqs())
                return -EINVAL;
 
        if (ser->baud_base < 9600)