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qcacld-3.0: Handle SMMU mem map table alloc fail at unload

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Change to handle SMMU mem map table alloc failure at unload.

Change-Id: If4928d7ddb1fe09608b2efd7077d6459d882ec01
CRs-Fixed: 2233582
This commit is contained in:
Yun Park 2018-05-01 14:55:53 -07:00 • committed by nshrivas
commit df3661cb1c
1 changed files with 5 additions and 23 deletions
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28
core/dp/htt/htt_rx.c
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@ -134,23 +134,11 @@ static void htt_rx_hash_deinit(struct htt_pdev_t *pdev)
struct htt_rx_hash_entry *hash_entry;
struct htt_rx_hash_bucket **hash_table;
struct htt_list_node *list_iter = NULL;
qdf_mem_info_t *mem_map_table = NULL, *mem_info = NULL;
uint32_t num_unmapped = 0;
qdf_mem_info_t mem_map_table = {0};
if (NULL == pdev->rx_ring.hash_table)
return;
if (qdf_mem_smmu_s1_enabled(pdev->osdev) && pdev->is_ipa_uc_enabled) {
mem_map_table = qdf_mem_map_table_alloc(
RX_NUM_HASH_BUCKETS * RX_ENTRIES_SIZE);
if (!mem_map_table) {
qdf_print("%s: Failed to allocate memory for mem map table\n",
__func__);
return;
}
mem_info = mem_map_table;
}
qdf_spin_lock_bh(&(pdev->rx_ring.rx_hash_lock));
hash_table = pdev->rx_ring.hash_table;
pdev->rx_ring.hash_table = NULL;
@ -168,12 +156,13 @@ static void htt_rx_hash_deinit(struct htt_pdev_t *pdev)
if (qdf_mem_smmu_s1_enabled(pdev->osdev) &&
pdev->is_ipa_uc_enabled) {
qdf_update_mem_map_table(pdev->osdev,
mem_info,
&mem_map_table,
QDF_NBUF_CB_PADDR(
hash_entry->netbuf),
HTT_RX_BUF_SIZE);
mem_info++;
num_unmapped++;
cds_smmu_map_unmap(false, 1,
&mem_map_table);
}
#ifdef DEBUG_DMA_DONE
qdf_nbuf_unmap(pdev->osdev, hash_entry->netbuf,
@ -197,13 +186,6 @@ static void htt_rx_hash_deinit(struct htt_pdev_t *pdev)
qdf_mem_free(hash_table);
qdf_spinlock_destroy(&(pdev->rx_ring.rx_hash_lock));
if (qdf_mem_smmu_s1_enabled(pdev->osdev) && pdev->is_ipa_uc_enabled) {
if (num_unmapped)
cds_smmu_map_unmap(false, num_unmapped,
mem_map_table);
qdf_mem_free(mem_map_table);
}
}
#endif