From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752941AbdCHMVp (ORCPT ); Wed, 8 Mar 2017 07:21:45 -0500 Received: from fllnx209.ext.ti.com ([198.47.19.16]:27774 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750770AbdCHMVm (ORCPT ); Wed, 8 Mar 2017 07:21:42 -0500 From: Vignesh R To: Greg Kroah-Hartman CC: Jiri Slaby , , , , Vignesh R Subject: [PATCH] serial: 8250: 8250_core: Use dev_name() during request_irq() Date: Wed, 8 Mar 2017 17:49:43 +0530 Message-ID: <20170308121943.29340-1-vigneshr@ti.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Passing "serial" as name during request_irq() results in all serial port irqs have same name. This does not help much to easily identify which irq belongs to which serial port instance. Therefore pass dev_name() during request_irq() so that better identifiable name is listed for serial ports in cat /proc/interrupts output. Output of cat /proc/interrupts Before this patch: 26: 689 0 GICv2 309 Edge serial After this patch: 26: 696 0 GICv2 309 Edge 2530c00.serial Signed-off-by: Vignesh R --- drivers/tty/serial/8250/8250_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 76e03a7de9cc..f83b69f30987 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, "serial", i); + irq_flags, dev_name(up->port.dev), i); if (ret < 0) serial_do_unlink(i, up); } -- 2.11.0