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-rw-r--r--drivers/net/wireless/ath/ath10k/ce.c22
-rw-r--r--drivers/net/wireless/ath/ath10k/ce.h6
-rw-r--r--drivers/net/wireless/ath/ath10k/pci.c5
3 files changed, 0 insertions, 33 deletions
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index 52021a9d28d7..edf3629288bc 100644
--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -921,27 +921,6 @@ ath10k_ce_alloc_src_ring(struct ath10k *ar, unsigned int ce_id,
src_ring->base_addr_ce_space_unaligned,
CE_DESC_RING_ALIGN);
- /*
- * Also allocate a shadow src ring in regular
- * mem to use for faster access.
- */
- src_ring->shadow_base_unaligned =
- kmalloc((nentries * sizeof(struct ce_desc) +
- CE_DESC_RING_ALIGN), GFP_KERNEL);
- if (!src_ring->shadow_base_unaligned) {
- dma_free_coherent(ar->dev,
- (nentries * sizeof(struct ce_desc) +
- CE_DESC_RING_ALIGN),
- src_ring->base_addr_owner_space,
- src_ring->base_addr_ce_space);
- kfree(src_ring);
- return ERR_PTR(-ENOMEM);
- }
-
- src_ring->shadow_base = PTR_ALIGN(
- src_ring->shadow_base_unaligned,
- CE_DESC_RING_ALIGN);
-
return src_ring;
}
@@ -1120,7 +1099,6 @@ void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id)
struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id];
if (ce_state->src_ring) {
- kfree(ce_state->src_ring->shadow_base_unaligned);
dma_free_coherent(ar->dev,
(ce_state->src_ring->nentries *
sizeof(struct ce_desc) +
diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h
index 67f90ec5de53..47b734ce7ecf 100644
--- a/drivers/net/wireless/ath/ath10k/ce.h
+++ b/drivers/net/wireless/ath/ath10k/ce.h
@@ -100,12 +100,6 @@ struct ath10k_ce_ring {
/* CE address space */
u32 base_addr_ce_space;
- /*
- * Start of shadow copy of descriptors, within regular memory.
- * Aligned to descriptor-size boundary.
- */
- void *shadow_base_unaligned;
- struct ce_desc *shadow_base;
/* keep last */
void *per_transfer_context[0];
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 81000257bc1d..4a6538508e9d 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -1594,7 +1594,6 @@ static void ath10k_pci_tx_pipe_cleanup(struct ath10k_pci_pipe *pci_pipe)
struct ath10k_pci *ar_pci;
struct ath10k_ce_pipe *ce_pipe;
struct ath10k_ce_ring *ce_ring;
- struct ce_desc *ce_desc;
struct sk_buff *skb;
int i;
@@ -1609,10 +1608,6 @@ static void ath10k_pci_tx_pipe_cleanup(struct ath10k_pci_pipe *pci_pipe)
if (!pci_pipe->buf_sz)
return;
- ce_desc = ce_ring->shadow_base;
- if (WARN_ON(!ce_desc))
- return;
-
for (i = 0; i < ce_ring->nentries; i++) {
skb = ce_ring->per_transfer_context[i];
if (!skb)