mwifiex: change transmit buffer size for 8897

Currently default Tx buffer size configured to firmware is 2K
for all chipsets. This patch changes it to 4K for SD/PCIe/USB
8897 chipsets as per firmware requirements.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/mwifiex/pcie.h b/drivers/net/wireless/mwifiex/pcie.h
index d322ab8604ea..193af75bf582 100644
--- a/drivers/net/wireless/mwifiex/pcie.h
+++ b/drivers/net/wireless/mwifiex/pcie.h
@@ -195,18 +195,21 @@ struct mwifiex_pcie_device {
         const char *firmware;
         const struct mwifiex_pcie_card_reg *reg;
         u16 blksz_fw_dl;
+        u16 tx_buf_size;
 };
 
 static const struct mwifiex_pcie_device mwifiex_pcie8766 = {
         .firmware       = PCIE8766_DEFAULT_FW_NAME,
         .reg            = &mwifiex_reg_8766,
         .blksz_fw_dl = MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD,
+        .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
 };
 
 static const struct mwifiex_pcie_device mwifiex_pcie8897 = {
         .firmware       = PCIE8897_DEFAULT_FW_NAME,
         .reg            = &mwifiex_reg_8897,
         .blksz_fw_dl = MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD,
+        .tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K,
 };
 
 struct mwifiex_evt_buf_desc {