diff options
| author | Konrad Zapalowicz <bergo.torino@gmail.com> | 2014-08-16 16:58:06 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-08-17 09:52:24 -0700 |
| commit | 3599abafcc51594f1629f19a6a12ff92f6e94017 (patch) | |
| tree | 5552460ffe63d415bed5879658db5a847d26ea89 /drivers | |
| parent | 1d8c5aa329e7a7a17d9c99122d89d76663195ddb (diff) | |
staging: dgnc: Remove driver-wide polling counter variable
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rather than being global in the driver this counter is obsolete.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.torino@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/dgnc/dgnc_driver.c | 3 | ||||
| -rw-r--r-- | drivers/staging/dgnc/dgnc_driver.h | 1 | ||||
| -rw-r--r-- | drivers/staging/dgnc/dgnc_sysfs.c | 10 |
3 files changed, 0 insertions, 14 deletions
diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c index d3fc3c2b564..223075a5796 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 ac0fe364006..d16d76128f9 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 4765ba5484e..60d247b72b9 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); } |