linux-kernel - [PATCHv3 11/16] staging: vme_user: remove unused counters

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Message-Id: <1432814833-5320-12-git-send-email-dmitry.kalinkin@gmail.com>
Date:	Thu, 28 May 2015 15:07:08 +0300
From:	Dmitry Kalinkin <dmitry.kalinkin@...il.com>
To:	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Cc:	Martyn Welch <martyn.welch@...com>,
	Manohar Vanga <manohar.vanga@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Igor Alekseev <igor.alekseev@...p.ru>,
	Dmitry Kalinkin <dmitry.kalinkin@...il.com>
Subject: [PATCHv3 11/16] staging: vme_user: remove unused counters

Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@...il.com>
Cc: Igor Alekseev <igor.alekseev@...p.ru>
---
 drivers/staging/vme/devices/vme_user.c | 31 -------------------------------
 1 file changed, 31 deletions(-)

diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index e8a1ca6..cc0d3df 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -107,18 +107,6 @@ 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 */
@@ -170,20 +158,6 @@ 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;
@@ -631,8 +605,6 @@ 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) {
@@ -944,9 +916,6 @@ 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);
-- 
1.8.3.1

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