linux-kernel - [PATCH 12/21] serial: 8250: Switch to number_of

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Message-ID: <20240930181600.1684198-13-bvanassche@acm.org>
Date: Mon, 30 Sep 2024 11:15:51 -0700
From: Bart Van Assche <bvanassche@....org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Russell King <linux@...linux.org.uk>,
	linux-kernel@...r.kernel.org,
	Bart Van Assche <bvanassche@....org>
Subject: [PATCH 12/21] serial: 8250: Switch to number_of_interrupts()

Use the number_of_interrupts() function instead of the global variable
'nr_irqs'. This patch prepares for changing 'nr_irqs' from an exported
global variable into a variable with file scope.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Bart Van Assche <bvanassche@....org>
---
 drivers/tty/serial/8250/8250_port.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 3509af7dc52b..7983526539fb 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -3176,7 +3176,7 @@ static void serial8250_config_port(struct uart_port *port, int flags)
 static int
 serial8250_verify_port(struct uart_port *port, struct serial_struct *ser)
 {
-	if (ser->irq >= nr_irqs || ser->irq < 0 ||
+	if (ser->irq >= number_of_interrupts() || ser->irq < 0 ||
 	    ser->baud_base < 9600 || ser->type < PORT_UNKNOWN ||
 	    ser->type >= ARRAY_SIZE(uart_config) || ser->type == PORT_CIRRUS ||
 	    ser->type == PORT_STARTECH)