linux-kernel - [PATCH -mm v4 9/9] atmel_serial: Show tty name in /proc/interrupts

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Date:	Thu, 24 Jan 2008 13:41:51 +0100
From:	Haavard Skinnemoen <hskinnemoen@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andrew Victor <linux@...im.org.za>, Remy Bohmer <linux@...mer.net>,
	Chip Coldwell <coldwell@...hat.com>,
	Marc Pignat <marc.pignat@...s.ch>,
	David Brownell <david-b@...bell.net>,
	linux-kernel@...r.kernel.org, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Haavard Skinnemoen <hskinnemoen@...el.com>
Subject: [PATCH -mm v4 9/9] atmel_serial: Show tty name in /proc/interrupts

When possible, pass the tty name to request_irq() so that the user can
easily distinguish the different serial ports in /proc/interrupts.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@...el.com>
---
 drivers/serial/atmel_serial.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 2ff92b9..63505cc 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -795,6 +795,7 @@ static void atmel_tasklet_func(unsigned long data)
 static int atmel_startup(struct uart_port *port)
 {
 	struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
+	struct tty_struct *tty = port->info->tty;
 	int retval;
 
 	/*
@@ -808,7 +809,7 @@ static int atmel_startup(struct uart_port *port)
 	 * Allocate the IRQ
 	 */
 	retval = request_irq(port->irq, atmel_interrupt, IRQF_SHARED,
-			"atmel_serial", port);
+			tty ? tty->name : "atmel_serial", port);
 	if (retval) {
 		printk("atmel_serial: atmel_startup - Can't get irq\n");
 		return retval;
-- 
1.5.3.8

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