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mwifiex: Command 7 handling for USB chipsets 

Firmware image for newer USB chipsets starts with a command 7 block
(special command). It doesn't contain data length field. This patch adds
necessary handling.

Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Ganapathi Bhat 2016-09-12 18:55:27 +05:30 committed by Kalle Valo
parent d86e647688
commit 787764676f
2 changed files with 5 additions and 0 deletions
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4
drivers/net/wireless/marvell/mwifiex/usb.c
View File

@ -1026,6 +1026,10 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
dnld_cmd = le32_to_cpu(fwdata->fw_hdr.dnld_cmd);
tlen += sizeof(struct fw_header);
/* Command 7 doesn't have data length field */
if (dnld_cmd == FW_CMD_7)
dlen = 0;
memcpy(fwdata->data, &firmware[tlen], dlen);
fwdata->seq_num = cpu_to_le32(fw_seqnum);

1
drivers/net/wireless/marvell/mwifiex/usb.h
View File

@ -51,6 +51,7 @@
#define FW_DNLD_TX_BUF_SIZE 620
#define FW_DNLD_RX_BUF_SIZE 2048
#define FW_HAS_LAST_BLOCK 0x00000004
#define FW_CMD_7 0x00000007
#define FW_DATA_XMIT_SIZE \
(sizeof(struct fw_header) + dlen + sizeof(u32))