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qcacld-3.0: Fix wlan load failure when IPA uc not ready

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In IPA offload case, if wlan driver is loaded before IPA uC is ready,
error is returned in hdd_ipa_init, which leads to whole driver load
failure. This is not the case since IPA driver provides wlan driver
a notify callback where IPA will invoke this callback when IPA uC
is ready.

Fix is to not return error if IPA uC is not ready during wlan loading
phase.

Change-Id: I98382abbb3bb3b1176f3be41228ac260c1017c24
CRs-Fixed: 2198998
This commit is contained in:
jiad 2018-03-02 15:31:43 +08:00 • committed by nshrivas
commit da34c57e5d
1 changed files with 6 additions and 3 deletions
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9
core/hdd/src/wlan_hdd_ipa.c
View file

@ -6189,9 +6189,12 @@ static QDF_STATUS __hdd_ipa_init(struct hdd_context *hdd_ctx)
if (ret) {
HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR,
"IPA WDI init failed: ret=%d", ret);
if (ret == -EACCES)
ret = hdd_ipa_uc_send_wdi_control_msg(false);
goto fail_create_sys_pipe;
if (ret == -EACCES) {
if (hdd_ipa_uc_send_wdi_control_msg(false))
goto fail_create_sys_pipe;
} else {
goto fail_create_sys_pipe;
}
}
} else {
ret = hdd_ipa_setup_sys_pipe(hdd_ipa);