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Input: initialize device counter variables with -1 

Let's initialize atomic_t variables keeping track of number of various
devices created so far with -1 in order to avoid extra subtraction
operation.

Change-Id: I58bfb094ec24e4b4cab48b3318852a27a227dc9a
Signed-off-by: Aniroop Mathur <aniroop.mathur@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tim Clark <tim.clark.82@gmail.com>
This commit is contained in:
Aniroop Mathur 2014-12-03 14:27:42 -08:00 committed by Srinivasarao P
parent 5a9566117c
commit 785e1f2a11
5 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/input/gameport/gameport.c
View File

@ -487,14 +487,14 @@ EXPORT_SYMBOL(gameport_set_phys);
*/
static void gameport_init_port(struct gameport *gameport)
{
static atomic_t gameport_no = ATOMIC_INIT(0);
static atomic_t gameport_no = ATOMIC_INIT(-1);
__module_get(THIS_MODULE);
mutex_init(&gameport->drv_mutex);
device_initialize(&gameport->dev);
dev_set_name(&gameport->dev, "gameport%lu",
(unsigned long)atomic_inc_return(&gameport_no) - 1);
(unsigned long)atomic_inc_return(&gameport_no));
gameport->dev.bus = &gameport_bus;
gameport->dev.release = gameport_release_port;
if (gameport->parent)

8
drivers/input/joystick/xpad.c
View File

@ -887,8 +887,8 @@ static void xpad_led_set(struct led_classdev *led_cdev,
static int xpad_led_probe(struct usb_xpad *xpad)
{
static atomic_t led_seq = ATOMIC_INIT(0);
long led_no;
static atomic_t led_seq = ATOMIC_INIT(-1);
unsigned long led_no;
struct xpad_led *led;
struct led_classdev *led_cdev;
int error;
@ -900,9 +900,9 @@ static int xpad_led_probe(struct usb_xpad *xpad)
if (!led)
return -ENOMEM;
led_no = (long)atomic_inc_return(&led_seq) - 1;
led_no = atomic_inc_return(&led_seq);
snprintf(led->name, sizeof(led->name), "xpad%ld", led_no);
snprintf(led->name, sizeof(led->name), "xpad%lu", led_no);
led->xpad = xpad;
led_cdev = &led->led_cdev;

4
drivers/input/misc/ims-pcu.c
View File

@ -1621,7 +1621,7 @@ static int ims_pcu_identify_type(struct ims_pcu *pcu, u8 *device_id)
static int ims_pcu_init_application_mode(struct ims_pcu *pcu)
{
static atomic_t device_no = ATOMIC_INIT(0);
static atomic_t device_no = ATOMIC_INIT(-1);
const struct ims_pcu_device_info *info;
u8 device_id;
@ -1653,7 +1653,7 @@ static int ims_pcu_init_application_mode(struct ims_pcu *pcu)
}
/* Device appears to be operable, complete initialization */
pcu->device_no = atomic_inc_return(&device_no) - 1;
pcu->device_no = atomic_inc_return(&device_no);
error = ims_pcu_setup_backlight(pcu);
if (error)

4
drivers/input/serio/serio.c
View File

@ -496,7 +496,7 @@ static void serio_release_port(struct device *dev)
*/
static void serio_init_port(struct serio *serio)
{
static atomic_t serio_no = ATOMIC_INIT(0);
static atomic_t serio_no = ATOMIC_INIT(-1);
__module_get(THIS_MODULE);
@ -507,7 +507,7 @@ static void serio_init_port(struct serio *serio)
mutex_init(&serio->drv_mutex);
device_initialize(&serio->dev);
dev_set_name(&serio->dev, "serio%ld",
(long)atomic_inc_return(&serio_no) - 1);
(long)atomic_inc_return(&serio_no));
serio->dev.bus = &serio_bus;
serio->dev.release = serio_release_port;
serio->dev.groups = serio_device_attr_groups;

4
drivers/input/serio/serio_raw.c
View File

@ -293,7 +293,7 @@ static irqreturn_t serio_raw_interrupt(struct serio *serio, unsigned char data,
static int serio_raw_connect(struct serio *serio, struct serio_driver *drv)
{
static atomic_t serio_raw_no = ATOMIC_INIT(0);
static atomic_t serio_raw_no = ATOMIC_INIT(-1);
struct serio_raw *serio_raw;
int err;
@ -304,7 +304,7 @@ static int serio_raw_connect(struct serio *serio, struct serio_driver *drv)
}
snprintf(serio_raw->name, sizeof(serio_raw->name),
"serio_raw%ld", (long)atomic_inc_return(&serio_raw_no) - 1);
"serio_raw%ld", (long)atomic_inc_return(&serio_raw_no));
kref_init(&serio_raw->kref);
INIT_LIST_HEAD(&serio_raw->client_list);
init_waitqueue_head(&serio_raw->wait);