This allows to use GFP_KERNEL allocation. This
should decrease chance of allocation failure, e.g.
during firmware recovery.
Reported-By: Avery Pennarun <apenwarr@xxxxxxxxx>
Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/ce.c | 53 +++++++++++++++++------------------
drivers/net/wireless/ath/ath10k/pci.c | 22 ++++++++-------
2 files changed, 37 insertions(+), 38 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index a79499c..653a240 100644
--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -843,7 +843,6 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
struct ath10k_ce_pipe *ce_state,
const struct ce_attr *attr)
{
- struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_ce_ring *src_ring;
unsigned int nentries = attr->src_nentries;
unsigned int ce_nbytes;
@@ -885,10 +884,10 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
* coherent DMA are unsupported
*/
src_ring->base_addr_owner_space_unaligned =
- pci_alloc_consistent(ar_pci->pdev,
- (nentries * sizeof(struct ce_desc) +
- CE_DESC_RING_ALIGN),
- &base_addr);
+ dma_alloc_coherent(ar->dev,
+ (nentries * sizeof(struct ce_desc) +
+ CE_DESC_RING_ALIGN),
+ &base_addr, GFP_KERNEL);
if (!src_ring->base_addr_owner_space_unaligned) {
kfree(ce_state->src_ring);
ce_state->src_ring = NULL;
@@ -912,11 +911,11 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
kmalloc((nentries * sizeof(struct ce_desc) +
CE_DESC_RING_ALIGN), GFP_KERNEL);
if (!src_ring->shadow_base_unaligned) {
- pci_free_consistent(ar_pci->pdev,
- (nentries * sizeof(struct ce_desc) +
- CE_DESC_RING_ALIGN),
- src_ring->base_addr_owner_space,
- src_ring->base_addr_ce_space);
+ 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(ce_state->src_ring);
ce_state->src_ring = NULL;
return -ENOMEM;
@@ -946,7 +945,6 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar,
struct ath10k_ce_pipe *ce_state,
const struct ce_attr *attr)
{
- struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_ce_ring *dest_ring;
unsigned int nentries = attr->dest_nentries;
unsigned int ce_nbytes;
@@ -986,10 +984,10 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar,
* coherent DMA are unsupported
*/
dest_ring->base_addr_owner_space_unaligned =
- pci_alloc_consistent(ar_pci->pdev,
- (nentries * sizeof(struct ce_desc) +
- CE_DESC_RING_ALIGN),
- &base_addr);
+ dma_alloc_coherent(ar->dev,
+ (nentries * sizeof(struct ce_desc) +
+ CE_DESC_RING_ALIGN),
+ &base_addr, GFP_KERNEL);
if (!dest_ring->base_addr_owner_space_unaligned) {
kfree(ce_state->dest_ring);
ce_state->dest_ring = NULL;
@@ -1112,26 +1110,25 @@ out:
void ath10k_ce_deinit(struct ath10k_ce_pipe *ce_state)
{
struct ath10k *ar = ce_state->ar;
- struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
if (ce_state->src_ring) {
kfree(ce_state->src_ring->shadow_base_unaligned);
- pci_free_consistent(ar_pci->pdev,
- (ce_state->src_ring->nentries *
- sizeof(struct ce_desc) +
- CE_DESC_RING_ALIGN),
- ce_state->src_ring->base_addr_owner_space,
- ce_state->src_ring->base_addr_ce_space);
+ dma_free_coherent(ar->dev,
+ (ce_state->src_ring->nentries *
+ sizeof(struct ce_desc) +
+ CE_DESC_RING_ALIGN),
+ ce_state->src_ring->base_addr_owner_space,
+ ce_state->src_ring->base_addr_ce_space);
kfree(ce_state->src_ring);
}
if (ce_state->dest_ring) {
- pci_free_consistent(ar_pci->pdev,
- (ce_state->dest_ring->nentries *
- sizeof(struct ce_desc) +
- CE_DESC_RING_ALIGN),
- ce_state->dest_ring->base_addr_owner_space,
- ce_state->dest_ring->base_addr_ce_space);
+ dma_free_coherent(ar->dev,
+ (ce_state->dest_ring->nentries *
+ sizeof(struct ce_desc) +
+ CE_DESC_RING_ALIGN),
+ ce_state->dest_ring->base_addr_owner_space,
+ ce_state->dest_ring->base_addr_ce_space);
kfree(ce_state->dest_ring);
}
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 9d242d8..f167ceb 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -346,9 +346,10 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data,
* 2) Buffer in DMA-able space
*/
orig_nbytes = nbytes;
- data_buf = (unsigned char *)pci_alloc_consistent(ar_pci->pdev,
- orig_nbytes,
- &ce_data_base);
+ data_buf = (unsigned char *)dma_alloc_coherent(ar->dev,
+ orig_nbytes,
+ &ce_data_base,
+ GFP_ATOMIC);
if (!data_buf) {
ret = -ENOMEM;
@@ -446,8 +447,8 @@ done:
__func__, address);
if (data_buf)
- pci_free_consistent(ar_pci->pdev, orig_nbytes,
- data_buf, ce_data_base);
+ dma_free_coherent(ar->dev, orig_nbytes, data_buf,
+ ce_data_base);
return ret;
}
@@ -490,9 +491,10 @@ static int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address,
* 2) Buffer in DMA-able space
*/
orig_nbytes = nbytes;
- data_buf = (unsigned char *)pci_alloc_consistent(ar_pci->pdev,
- orig_nbytes,
- &ce_data_base);
+ data_buf = (unsigned char *)dma_alloc_coherent(ar->dev,
+ orig_nbytes,
+ &ce_data_base,
+ GFP_ATOMIC);
if (!data_buf) {
ret = -ENOMEM;
goto done;
@@ -588,8 +590,8 @@ static int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address,
done:
if (data_buf) {
- pci_free_consistent(ar_pci->pdev, orig_nbytes, data_buf,
- ce_data_base);
+ dma_free_coherent(ar->dev, orig_nbytes, data_buf,
+ ce_data_base);
}
if (ret != 0)
--
1.8.5.3
--
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