linux-kernel - [PATCH v3 16/22] serial: cpm_uart: Switch to irq_get_nr

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Message-ID: <20241015190953.1266194-17-bvanassche@acm.org>
Date: Tue, 15 Oct 2024 12:09:47 -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 v3 16/22] serial: cpm_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.

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

diff --git a/drivers/tty/serial/cpm_uart.c b/drivers/tty/serial/cpm_uart.c
index a927478f581d..6eb8625de435 100644
--- a/drivers/tty/serial/cpm_uart.c
+++ b/drivers/tty/serial/cpm_uart.c
@@ -631,7 +631,7 @@ static int cpm_uart_verify_port(struct uart_port *port,
 
 	if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM)
 		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;