linux-kernel - [PATCH] USB: serial: Use setup

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Message-ID: <20150601011157.GA5631@vaishali-Ideapad-Z570>
Date:	Mon, 1 Jun 2015 06:41:57 +0530
From:	Vaishali Thakkar <vthakkar1994@...il.com>
To:	Johan Hovold <johan@...nel.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Julia Lawall <julia.lawall@...6.fr>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] USB: serial: Use setup_timer

Use the timer API function setup_timer instead of structure field
assignments to initialize a timer.

A simplified version of the Coccinelle semantic patch that performs
this transformation is as follows:

@change@
expression e1, e2, e3, e4, a, b;
@@

-init_timer(&e1);
+setup_timer(&e1, a, b);

... when != a = e2
    when != b = e3

-e1.function = a;
... when != b = e4
-e1.data = b;

Signed-off-by: Vaishali Thakkar <vthakkar1994@...il.com>
---
 drivers/usb/serial/mos7840.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index e4473a9..8ac9b55 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2301,17 +2301,14 @@ static int mos7840_port_probe(struct usb_serial_port *port)
 			goto error;
 		}
 
-		init_timer(&mos7840_port->led_timer1);
-		mos7840_port->led_timer1.function = mos7840_led_off;
+		setup_timer(&mos7840_port->led_timer1, mos7840_led_off,
+			    (unsigned long)mos7840_port);
 		mos7840_port->led_timer1.expires =
 			jiffies + msecs_to_jiffies(LED_ON_MS);
-		mos7840_port->led_timer1.data = (unsigned long)mos7840_port;
-
-		init_timer(&mos7840_port->led_timer2);
-		mos7840_port->led_timer2.function = mos7840_led_flag_off;
+		setup_timer(&mos7840_port->led_timer2, mos7840_led_flag_off,
+			    (unsigned long)mos7840_port);
 		mos7840_port->led_timer2.expires =
 			jiffies + msecs_to_jiffies(LED_OFF_MS);
-		mos7840_port->led_timer2.data = (unsigned long)mos7840_port;
 
 		/* Turn off LED */
 		mos7840_set_led_sync(port, MODEM_CONTROL_REGISTER, 0x0300);
-- 
1.9.1

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