wlan: Do not flush the entire work items

It is not safe to flush the entire work queues while unloading WLAN
driver; if there is a faulty work item that hangs for a long time, then
WLAN driver unload will also timeout. So cancel the work items started
by WLAN driver while unloading the driver, instead of calling the global
work items flush.

Change-Id: I0b572b7df5124f1ec0f358bb9a282db72a0197f8
CRs-Fixed: 567143
3 files changed
tree: 73c4c1ca5d31254c78c93afd2b742fb3b69588ac
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig