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qcacld-3.0: Reduce SMMU mapping logs

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Reduce the number of logs during the SMMU mapping process in
cds_smmu_mem_map_setup by refactoring the logic to reduce the number of
branches.

Change-Id: I1a8b0ece31ab51eaf6f96232b284b61d77c83084
CRs-Fixed: 2291034
This commit is contained in:
Dustin Brown
2018-08-03 16:22:56 -07:00
committed by nshrivas
parent 6099ddc417
commit d0bf6403d2
1 changed files with 35 additions and 39 deletions
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74
core/cds/src/cds_api.c
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@@ -2735,51 +2735,47 @@ void cds_incr_arp_stats_tx_tgt_acked(void)
#ifdef ENABLE_SMMU_S1_TRANSLATION #ifdef ENABLE_SMMU_S1_TRANSLATION
QDF_STATUS cds_smmu_mem_map_setup(qdf_device_t osdev, bool ipa_present) QDF_STATUS cds_smmu_mem_map_setup(qdf_device_t osdev, bool ipa_present)
{ {
int attr = 0; struct dma_iommu_mapping *mapping;
bool ipa_smmu_enable = false; bool ipa_smmu_enabled;
struct dma_iommu_mapping *mapping = pld_smmu_get_mapping(osdev->dev); bool wlan_smmu_enabled;
osdev->smmu_s1_enabled = false; mapping = pld_smmu_get_mapping(osdev->dev);
if (mapping) {
if (ipa_present) { int attr = 0;
ipa_smmu_enable = qdf_get_ipa_smmu_enabled(); int errno = iommu_domain_get_attr(mapping->domain,
if (ipa_smmu_enable) DOMAIN_ATTR_S1_BYPASS, &attr);
cds_info("SMMU enabled from IPA side");
else
cds_info("SMMU not enabled from IPA side");
}
if (mapping && ((iommu_domain_get_attr(mapping->domain,
DOMAIN_ATTR_S1_BYPASS, &attr) == 0) &&
!attr)) {
cds_info("SMMU enabled from WLAN side");
if (ipa_present) {
if (ipa_smmu_enable) {
cds_info("SMMU enabled from both IPA and WLAN side");
osdev->smmu_s1_enabled = true;
} else {
cds_err("SMMU mismatch: IPA: disable, WLAN: enable");
return QDF_STATUS_E_FAILURE;
}
} else {
osdev->smmu_s1_enabled = true;
}
wlan_smmu_enabled = !errno && !attr;
} else { } else {
cds_info("No SMMU mapping present or SMMU disabled from WLAN side"); cds_info("No SMMU mapping present");
wlan_smmu_enabled = false;
if (ipa_present) {
if (ipa_smmu_enable) {
cds_err("SMMU mismatch: IPA: enable, WLAN: disable");
return QDF_STATUS_E_FAILURE;
} else {
cds_info("SMMU disabled from both IPA and WLAN side");
}
}
} }
if (!wlan_smmu_enabled) {
osdev->smmu_s1_enabled = false;
goto exit_with_success;
}
if (!ipa_present) {
osdev->smmu_s1_enabled = true;
goto exit_with_success;
}
ipa_smmu_enabled = qdf_get_ipa_smmu_enabled();
osdev->smmu_s1_enabled = ipa_smmu_enabled && wlan_smmu_enabled;
if (ipa_smmu_enabled != wlan_smmu_enabled) {
cds_err("SMMU mismatch; IPA:%s, WLAN:%s",
ipa_smmu_enabled ? "enabled" : "disabled",
wlan_smmu_enabled ? "enabled" : "disabled");
return QDF_STATUS_E_FAILURE;
}
exit_with_success:
osdev->iommu_mapping = mapping; osdev->iommu_mapping = mapping;
cds_info("SMMU S1 %s", osdev->smmu_s1_enabled ? "enabled" : "disabled");
return QDF_STATUS_SUCCESS; return QDF_STATUS_SUCCESS;
} }