diff mbox

[v2,2/2] serial: 8250: 8250_core: Fix irq name for 8250 serial IRQ

Message ID 20170324052800.11526-3-vigneshr@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vignesh Raghavendra March 24, 2017, 5:28 a.m. UTC 
Using dev_name() as IRQ name during request_irq() might be misleading in
case of serial over PCI. Therefore identify serial port IRQ using
uart_port's name field. This will help mapping IRQs to appropriate
ttySN(where N is the serial port index) instances.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
---

v2:
Pick up reviewed by
s/irq(s)/IRQ(s) in commit message

 drivers/tty/serial/8250/8250_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index f83b69f30987..48a07e2f617f 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -218,7 +218,7 @@  static int serial_link_irq_chain(struct uart_8250_port *up)
 		spin_unlock_irq(&i->lock);
 		irq_flags |= up->port.irqflags;
 		ret = request_irq(up->port.irq, serial8250_interrupt,
-				  irq_flags, dev_name(up->port.dev), i);
+				  irq_flags, up->port.name, i);
 		if (ret < 0)
 			serial_do_unlink(i, up);
 	}