serial: amba-pl010: 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/20241015190953.1266194-15-bvanassche@acm.org

diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c
index eabbf8afc9b5f8539c4e33b4c718519c09fe3afe..c3a7fad02ac9b3c64835f59353455d2aa7b60ca1 100644 (file)
--- a/drivers/tty/serial/amba-pl010.c
+++ b/drivers/tty/serial/amba-pl010.c
@@ -499,7 +499,7 @@ static int pl010_verify_port(struct uart_port *port, struct serial_struct *ser)
        int ret = 0;
        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;