serial: amba-pl011: 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/20241015190953.1266194-16-bvanassche@acm.org

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 7d0134ecd82fa54765a46eb9fabe7caba18c0bf3..1c60850030b14b57276077e0140381eb37cc8825 100644 (file)
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2202,7 +2202,7 @@ static int pl011_verify_port(struct uart_port *port, struct serial_struct *ser)
 
        if (ser->type != PORT_UNKNOWN && ser->type != PORT_AMBA)
                ret = -EINVAL;
-       if (ser->irq < 0 || ser->irq >= nr_irqs)
+       if (ser->irq < 0 || ser->irq >= irq_get_nr_irqs())
                ret = -EINVAL;
        if (ser->baud_base < 9600)
                ret = -EINVAL;