The polling counter variable is only exposed via sysfs and has no other
purpose.
Now, since the polling shall be implemented as a board specific feature
rather than being global in the driver this counter is obsolete.
Signed-off-by: Konrad Zapalowicz <bergo.tor...@gmail.com>
---
drivers/staging/dgnc/dgnc_driver.c | 3 ---
drivers/staging/dgnc/dgnc_driver.h | 1 -
drivers/staging/dgnc/dgnc_sysfs.c | 10 ----------
3 files changed, 14 deletions(-)
diff --git a/drivers/staging/dgnc/dgnc_driver.c
b/drivers/staging/dgnc/dgnc_driver.c
index d3fc3c2..223075a 100644
--- a/drivers/staging/dgnc/dgnc_driver.c
+++ b/drivers/staging/dgnc/dgnc_driver.c
@@ -90,7 +90,6 @@ static const struct file_operations dgnc_BoardFops = {
uint dgnc_NumBoards;
struct dgnc_board *dgnc_Board[MAXBOARDS];
DEFINE_SPINLOCK(dgnc_global_lock);
-ulong dgnc_poll_counter;
uint dgnc_Major;
int dgnc_poll_tick = 20; /* Poll interval - 20 ms */
@@ -736,8 +735,6 @@ static void dgnc_poll_handler(ulong dummy)
int i;
unsigned long new_time;
- dgnc_poll_counter++;
-
/* Go thru each board, kicking off a tasklet for each if needed */
for (i = 0; i < dgnc_NumBoards; i++) {
brd = dgnc_Board[i];
diff --git a/drivers/staging/dgnc/dgnc_driver.h
b/drivers/staging/dgnc/dgnc_driver.h
index ac0fe36..d16d761 100644
--- a/drivers/staging/dgnc/dgnc_driver.h
+++ b/drivers/staging/dgnc/dgnc_driver.h
@@ -492,7 +492,6 @@ extern int dgnc_trcbuf_size; /* Size of the
ringbuffer */
extern spinlock_t dgnc_global_lock; /* Driver global spinlock
*/
extern uint dgnc_NumBoards; /* Total number of boards
*/
extern struct dgnc_board *dgnc_Board[MAXBOARDS]; /* Array of board
structs */
-extern ulong dgnc_poll_counter; /* Times the poller has run
*/
extern char *dgnc_state_text[]; /* Array of state text
*/
#endif
diff --git a/drivers/staging/dgnc/dgnc_sysfs.c
b/drivers/staging/dgnc/dgnc_sysfs.c
index 4765ba5..60d247b 100644
--- a/drivers/staging/dgnc/dgnc_sysfs.c
+++ b/drivers/staging/dgnc/dgnc_sysfs.c
@@ -63,14 +63,6 @@ static ssize_t dgnc_driver_maxboards_show(struct
device_driver *ddp, char *buf)
}
static DRIVER_ATTR(maxboards, S_IRUSR, dgnc_driver_maxboards_show, NULL);
-
-static ssize_t dgnc_driver_pollcounter_show(struct device_driver *ddp, char
*buf)
-{
- return snprintf(buf, PAGE_SIZE, "%ld\n", dgnc_poll_counter);
-}
-static DRIVER_ATTR(pollcounter, S_IRUSR, dgnc_driver_pollcounter_show, NULL);
-
-
static ssize_t dgnc_driver_debug_show(struct device_driver *ddp, char *buf)
{
return snprintf(buf, PAGE_SIZE, "0x%x\n", dgnc_debug);
@@ -121,7 +113,6 @@ void dgnc_create_driver_sysfiles(struct pci_driver
*dgnc_driver)
rc |= driver_create_file(driverfs, &driver_attr_debug);
rc |= driver_create_file(driverfs, &driver_attr_rawreadok);
rc |= driver_create_file(driverfs, &driver_attr_pollrate);
- rc |= driver_create_file(driverfs, &driver_attr_pollcounter);
if (rc) {
printk(KERN_ERR "DGNC: sysfs driver_create_file failed!\n");
}
@@ -137,7 +128,6 @@ void dgnc_remove_driver_sysfiles(struct pci_driver
*dgnc_driver)
driver_remove_file(driverfs, &driver_attr_debug);
driver_remove_file(driverfs, &driver_attr_rawreadok);
driver_remove_file(driverfs, &driver_attr_pollrate);
- driver_remove_file(driverfs, &driver_attr_pollcounter);
}
--
1.8.1.2
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