diff options
| author | Komal Seelam <kseelam@qti.qualcomm.com> | 2016-08-10 17:55:18 +0530 |
|---|---|---|
| committer | Anjaneedevi Kapparapu <akappa@codeaurora.org> | 2016-08-11 15:13:41 +0530 |
| commit | 4b4325997bd1697763ac1cbe76511af804c13792 (patch) | |
| tree | 5f80922a383c6312a25bc2bf766136b91cdb4868 | |
| parent | be07a014d185aafecda483bb19c7ad6985ac13b8 (diff) | |
qcacld-2.0: Disable tasklet after WoW
On SMP architectures, tasklet can be scheduled along with the
bus resume, resulting in target access.
Disable the tasklet after enabling WoW and enable tasklet before
sending WoW disable.
Change-Id: I40f32b51cb2a77f78bdc154f88c986ce645538e1
CRs-Fixed: 1052771
| -rw-r--r-- | CORE/SERVICES/HIF/PCIe/if_pci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/CORE/SERVICES/HIF/PCIe/if_pci.c b/CORE/SERVICES/HIF/PCIe/if_pci.c index 8d1462a9f04b..20e2e4835ad2 100644 --- a/CORE/SERVICES/HIF/PCIe/if_pci.c +++ b/CORE/SERVICES/HIF/PCIe/if_pci.c @@ -2786,6 +2786,7 @@ __hif_pci_suspend(struct pci_dev *pdev, pm_message_t state, bool runtime_pm) msleep(10); } + tasklet_disable(&sc->intr_tq); hif_irq_record(HIF_SUSPEND_AFTER_WOW, sc); #ifdef FEATURE_WLAN_D0WOW @@ -2974,6 +2975,8 @@ skip: goto out; } + tasklet_enable(&sc->intr_tq); + if (!wma_is_wow_mode_selected(temp_module)) err = wma_resume_target(temp_module, runtime_pm); else |