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path: root/drivers/net/wireless/mwifiex/sdio.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/sdio.c')
-rw-r--r--drivers/net/wireless/mwifiex/sdio.c29
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 5d05c6fe6429..78a8474e1a3d 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -1606,8 +1606,9 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
(rx_len + MWIFIEX_SDIO_BLOCK_SIZE -
1) / MWIFIEX_SDIO_BLOCK_SIZE;
if (rx_len <= INTF_HEADER_LEN ||
- (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) >
- card->mpa_rx.buf_size) {
+ (card->mpa_rx.enabled &&
+ ((rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) >
+ card->mpa_rx.buf_size))) {
mwifiex_dbg(adapter, ERROR,
"invalid rx_len=%d\n",
rx_len);
@@ -1925,6 +1926,8 @@ error:
if (ret) {
kfree(card->mpa_tx.buf);
kfree(card->mpa_rx.buf);
+ card->mpa_tx.buf_size = 0;
+ card->mpa_rx.buf_size = 0;
}
return ret;
@@ -2055,16 +2058,26 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
ret = mwifiex_alloc_sdio_mpa_buffers(adapter,
card->mp_tx_agg_buf_size,
card->mp_rx_agg_buf_size);
- if (ret) {
- mwifiex_dbg(adapter, ERROR,
- "failed to alloc sdio mp-a buffers\n");
- kfree(card->mp_regs);
- return -1;
+
+ /* Allocate 32k MPA Tx/Rx buffers if 64k memory allocation fails */
+ if (ret && (card->mp_tx_agg_buf_size == MWIFIEX_MP_AGGR_BUF_SIZE_MAX ||
+ card->mp_rx_agg_buf_size == MWIFIEX_MP_AGGR_BUF_SIZE_MAX)) {
+ /* Disable rx single port aggregation */
+ adapter->host_disable_sdio_rx_aggr = true;
+
+ ret = mwifiex_alloc_sdio_mpa_buffers
+ (adapter, MWIFIEX_MP_AGGR_BUF_SIZE_32K,
+ MWIFIEX_MP_AGGR_BUF_SIZE_32K);
+ if (ret) {
+ /* Disable multi port aggregation */
+ card->mpa_tx.enabled = 0;
+ card->mpa_rx.enabled = 0;
+ }
}
adapter->auto_tdls = card->can_auto_tdls;
adapter->ext_scan = card->can_ext_scan;
- return ret;
+ return 0;
}
/*