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qcacmn: Clear PCIe link suspended state

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RTPM wow resume gets triggered from ongoing WMI cmds related to SAP
getting started on the 5 GHz DFS channel. Even though PCIe link resume
is successful, there is a link up vote from UMAC and scn link suspended
state is not getting clear. Thus, clear the scn->link_suspended state
at the end of hif_pci_bus_resume_noirq() because before HIF PCIe bus resume
noirq phase is complete, PCIe link is already resumed.

Change-Id: If05593c95d2d63d271fed4abcf84b43e96cc070e
CRs-Fixed: 2833831
This commit is contained in:
Alan Chen 2020-12-08 10:40:01 -08:00 • committed by snandini
commit d3f447ad13
1 changed files with 6 additions and 2 deletions
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8
hif/src/pcie/if_pci.c
View file

@ -2418,8 +2418,12 @@ int hif_pci_bus_resume_noirq(struct hif_softc *scn)
{
hif_apps_wake_irq_disable(GET_HIF_OPAQUE_HDL(scn));
if (hif_can_suspend_link(GET_HIF_OPAQUE_HDL(scn)))
qdf_atomic_set(&scn->link_suspended, 0);
/* a vote for link up can come in the middle of the ongoing resume
* process. hence, clear the link suspend flag once
* hif_bus_resume_noirq() succeeds since PCIe link is already resumed
* by this time
*/
qdf_atomic_set(&scn->link_suspended, 0);
return 0;
}