staging: vme_user: remove unused counters

Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Kalinkin 2015-05-28 15:07:08 +03:00 committed by Greg Kroah-Hartman
parent 5a2f883124
commit d884dd8c88

View file

@ -104,18 +104,6 @@ struct image_desc {
};
static struct image_desc image[VME_DEVS];
struct driver_stats {
unsigned long reads;
unsigned long writes;
unsigned long ioctls;
unsigned long irqs;
unsigned long berrs;
unsigned long dmaerrors;
unsigned long timeouts;
unsigned long external;
};
static struct driver_stats statistics;
static struct cdev *vme_user_cdev; /* Character device */
static struct class *vme_user_sysfs_class; /* Sysfs class */
static struct vme_dev *vme_user_bridge; /* Pointer to user device */
@ -167,20 +155,6 @@ static const struct vm_operations_struct vme_user_vm_ops = {
};
/*
* Reset all the statistic counters
*/
static void reset_counters(void)
{
statistics.reads = 0;
statistics.writes = 0;
statistics.ioctls = 0;
statistics.irqs = 0;
statistics.berrs = 0;
statistics.dmaerrors = 0;
statistics.timeouts = 0;
}
static int vme_user_open(struct inode *inode, struct file *file)
{
int err;
@ -465,8 +439,6 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
dma_addr_t pci_addr;
void __user *argp = (void __user *)arg;
statistics.ioctls++;
switch (type[minor]) {
case CONTROL_MINOR:
switch (cmd) {
@ -765,9 +737,6 @@ static int vme_user_probe(struct vme_dev *vdev)
image[i].users = 0;
}
/* Initialise statistics counters */
reset_counters();
/* Assign major and minor numbers for the driver */
err = register_chrdev_region(MKDEV(VME_MAJOR, 0), VME_DEVS,
driver_name);