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staging/bcm: move BCM_LED_THREAD_STATE_CHANGE_REQ case out to its own function. 

bcm_char_ioctl is one of the longest non-generated functions in the kernel,
at 1906 lines.  Splitting it up into multiple functions should simplify
this a lot.

Signed-off-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dave Jones 2014-02-13 14:45:31 -05:00 committed by Greg Kroah-Hartman
parent f494a916d3
commit 3eccdbcdb7
1 changed files with 51 additions and 44 deletions
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95
drivers/staging/bcm/Bcmchar.c
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@ -482,6 +482,54 @@ static int bcm_char_ioctl_gpio_set_request(void __user *argp, struct bcm_mini_ad
return Status;
}
static int bcm_char_ioctl_led_thread_state_change_req(void __user *argp, struct bcm_mini_adapter *Adapter)
{
struct bcm_user_thread_req threadReq = {0};
struct bcm_ioctl_buffer IoBuffer;
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
"User made LED thread InActive");
if ((Adapter->IdleMode == TRUE) ||
(Adapter->bShutStatus == TRUE) ||
(Adapter->bPreparingForLowPowerMode == TRUE)) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
DBG_LVL_ALL,
"GPIO Can't be set/clear in Low power Mode");
return -EACCES;
}
if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
return -EFAULT;
if (IoBuffer.InputLength > sizeof(threadReq))
return -EINVAL;
if (copy_from_user(&threadReq, IoBuffer.InputBuffer, IoBuffer.InputLength))
return -EFAULT;
/* if LED thread is running(Actively or Inactively) set it state to make inactive */
if (Adapter->LEDInfo.led_thread_running) {
if (threadReq.ThreadState == LED_THREAD_ACTIVATION_REQ) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
OSAL_DBG, DBG_LVL_ALL,
"Activating thread req");
Adapter->DriverState = LED_THREAD_ACTIVE;
} else {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
OSAL_DBG, DBG_LVL_ALL,
"DeActivating Thread req.....");
Adapter->DriverState = LED_THREAD_INACTIVE;
}
/* signal thread. */
wake_up(&Adapter->LEDInfo.notify_led_event);
}
return STATUS_SUCCESS;
}
static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
{
struct bcm_tarang_data *pTarang = filp->private_data;
@ -555,50 +603,9 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
Status = bcm_char_ioctl_gpio_set_request(argp, Adapter);
return Status;
case BCM_LED_THREAD_STATE_CHANGE_REQ: {
struct bcm_user_thread_req threadReq = {0};
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
"User made LED thread InActive");
if ((Adapter->IdleMode == TRUE) ||
(Adapter->bShutStatus == TRUE) ||
(Adapter->bPreparingForLowPowerMode == TRUE)) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
DBG_LVL_ALL,
"GPIO Can't be set/clear in Low power Mode");
Status = -EACCES;
break;
}
if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
return -EFAULT;
if (IoBuffer.InputLength > sizeof(threadReq))
return -EINVAL;
if (copy_from_user(&threadReq, IoBuffer.InputBuffer, IoBuffer.InputLength))
return -EFAULT;
/* if LED thread is running(Actively or Inactively) set it state to make inactive */
if (Adapter->LEDInfo.led_thread_running) {
if (threadReq.ThreadState == LED_THREAD_ACTIVATION_REQ) {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
OSAL_DBG, DBG_LVL_ALL,
"Activating thread req");
Adapter->DriverState = LED_THREAD_ACTIVE;
} else {
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS,
OSAL_DBG, DBG_LVL_ALL,
"DeActivating Thread req.....");
Adapter->DriverState = LED_THREAD_INACTIVE;
}
/* signal thread. */
wake_up(&Adapter->LEDInfo.notify_led_event);
}
}
break;
case BCM_LED_THREAD_STATE_CHANGE_REQ:
Status = bcm_char_ioctl_led_thread_state_change_req(argp, Adapter);
return Status;
case IOCTL_BCM_GPIO_STATUS_REQUEST: {
ULONG uiBit = 0;