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staging: dgnc: remove unused variable named rawreadok

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This patch removes the variable rawreadok since it is only intialized
but not used in any of the driver functions.

Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aya Mahfouz 2014-10-25 23:43:33 +02:00 committed by Greg Kroah-Hartman
parent 6db43a9c38
commit ade5b9435b
3 changed files with 0 additions and 22 deletions
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2
drivers/staging/dgnc/dgnc_driver.c
View File

@ -56,7 +56,6 @@ MODULE_SUPPORTED_DEVICE("dgnc");
* us to specify the variable type, name, initial value, and description.
*/
PARM_INT(debug, 0x00, 0644, "Driver debugging level");
PARM_INT(rawreadok, 1, 0644, "Bypass flip buffers on input");
/**************************************************************************
*
@ -741,7 +740,6 @@ static void dgnc_init_globals(void)
{
int i = 0;
dgnc_rawreadok = rawreadok;
dgnc_debug = debug;
dgnc_NumBoards = 0;

1
drivers/staging/dgnc/dgnc_driver.h
View File

@ -429,7 +429,6 @@ struct channel_t {
*/
extern uint dgnc_Major; /* Our driver/mgmt major */
extern int dgnc_debug; /* Debug variable */
extern int dgnc_rawreadok; /* Set if user wants rawreads */
extern int dgnc_poll_tick; /* Poll interval - 20 ms */
extern spinlock_t dgnc_global_lock; /* Driver global spinlock */
extern uint dgnc_NumBoards; /* Total number of boards */

19
drivers/staging/dgnc/dgnc_sysfs.c
View File

@ -80,23 +80,6 @@ static ssize_t dgnc_driver_debug_store(struct device_driver *ddp, const char *bu
static DRIVER_ATTR(debug, (S_IRUSR | S_IWUSR), dgnc_driver_debug_show, dgnc_driver_debug_store);
static ssize_t dgnc_driver_rawreadok_show(struct device_driver *ddp, char *buf)
{
return snprintf(buf, PAGE_SIZE, "0x%x\n", dgnc_rawreadok);
}
static ssize_t dgnc_driver_rawreadok_store(struct device_driver *ddp, const char *buf, size_t count)
{
int ret;
ret = sscanf(buf, "0x%x\n", &dgnc_rawreadok);
if (ret != 1)
return -EINVAL;
return count;
}
static DRIVER_ATTR(rawreadok, (S_IRUSR | S_IWUSR), dgnc_driver_rawreadok_show, dgnc_driver_rawreadok_store);
static ssize_t dgnc_driver_pollrate_show(struct device_driver *ddp, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%dms\n", dgnc_poll_tick);
@ -123,7 +106,6 @@ void dgnc_create_driver_sysfiles(struct pci_driver *dgnc_driver)
rc |= driver_create_file(driverfs, &driver_attr_boards);
rc |= driver_create_file(driverfs, &driver_attr_maxboards);
rc |= driver_create_file(driverfs, &driver_attr_debug);
rc |= driver_create_file(driverfs, &driver_attr_rawreadok);
rc |= driver_create_file(driverfs, &driver_attr_pollrate);
if (rc)
printk(KERN_ERR "DGNC: sysfs driver_create_file failed!\n");
@ -138,7 +120,6 @@ void dgnc_remove_driver_sysfiles(struct pci_driver *dgnc_driver)
driver_remove_file(driverfs, &driver_attr_boards);
driver_remove_file(driverfs, &driver_attr_maxboards);
driver_remove_file(driverfs, &driver_attr_debug);
driver_remove_file(driverfs, &driver_attr_rawreadok);
driver_remove_file(driverfs, &driver_attr_pollrate);
}