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| author | Rajeev Kumar <rajekuma@codeaurora.org> | 2016-08-29 13:53:52 -0700 |
|---|---|---|
| committer | qcabuildsw <qcabuildsw@localhost> | 2016-09-15 16:51:43 -0700 |
| commit | 99805a7ac332e3a1c9922b28478d7ffca423013a (patch) | |
| tree | 6cb4cb77257a5f47dfed9cf1d7516962a84b773c /uapi/linux/osapi_linux.h | |
| parent | 22896aa1931d36757c4a209a1b73e4d556dad22b (diff) | |
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
Diffstat (limited to 'uapi/linux/osapi_linux.h')
0 files changed, 0 insertions, 0 deletions