qcacld-3.0: Fix race condition between PM suspend and fw irq
PM suspend and FW interrupt handler is running at same time
which is leading to multiple race conditions and host is missing
FW wake up interrupt which is causing APPS not waking up reliably.
Define .suspend_noirq and .resume_noirq callbacks and make
sure there is no pending FW interrupt before allowing PM
suspend to complete. Kernel PM suspend framework gives guarantee
that suspend_noirq and device interrupt handler can't run
simultaneously. This helps WLAN driver to reliably detect FW
wake up interrupt during PM suspend and fail PM suspend gracefully
if FW has requested for initial wake up.
Change-Id: Ic82d7dd6b6b743dd3f55b036e012ad0c8bebd50d
CRs-Fixed: 1060748
diff --git a/core/wma/inc/wma_api.h b/core/wma/inc/wma_api.h
index 1bc33af..a63db28 100644
--- a/core/wma/inc/wma_api.h
+++ b/core/wma/inc/wma_api.h
@@ -146,6 +146,7 @@
int wma_runtime_resume(void);
int wma_bus_suspend(void);
int wma_is_target_wake_up_received(void);
+int wma_clear_target_wake_up(void);
QDF_STATUS wma_suspend_target(WMA_HANDLE handle, int disable_target_intr);
void wma_target_suspend_acknowledge(void *context, bool wow_nack);
void wma_handle_initial_wake_up(void);