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Commit e7ece050 authored by Xinming Hu's avatar Xinming Hu Committed by Kalle Valo
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mwifiex: pcie: compatible with wifi-only image while extract wifi-part fw



Sometimes, we might using wifi-only firmware with a combo firmware name,
in this case, do not need to filter bluetooth part from header.

Signed-off-by: default avatarXinming Hu <huxm@marvell.com>
Signed-off-by: default avatarCathy Luo <cluo@marvell.com>
Reviewed-by: default avatarBrian Norris <briannorris@chromium.org>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent e37f6483
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+19 −7
Original line number Diff line number Diff line
@@ -1985,7 +1985,8 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
 * (3) wifi image.
 *
 * This function bypass the header and bluetooth part, return
 * the offset of tail wifi-only part.
 * the offset of tail wifi-only part. If the image is already wifi-only,
 * that is start with CMD1, return 0.
 */

static int mwifiex_extract_wifi_fw(struct mwifiex_adapter *adapter,
@@ -1993,7 +1994,7 @@ static int mwifiex_extract_wifi_fw(struct mwifiex_adapter *adapter,
	const struct mwifiex_fw_data *fwdata;
	u32 offset = 0, data_len, dnld_cmd;
	int ret = 0;
	bool cmd7_before = false;
	bool cmd7_before = false, first_cmd = false;

	while (1) {
		/* Check for integer and buffer overflow */
@@ -2014,20 +2015,29 @@ static int mwifiex_extract_wifi_fw(struct mwifiex_adapter *adapter,

		switch (dnld_cmd) {
		case MWIFIEX_FW_DNLD_CMD_1:
			if (!cmd7_before) {
				mwifiex_dbg(adapter, ERROR,
					    "no cmd7 before cmd1!\n");
			if (offset + data_len < data_len) {
				mwifiex_dbg(adapter, ERROR, "bad FW parse\n");
				ret = -1;
				goto done;
			}
			if (offset + data_len < data_len) {
				mwifiex_dbg(adapter, ERROR, "bad FW parse\n");

			/* Image start with cmd1, already wifi-only firmware */
			if (!first_cmd) {
				mwifiex_dbg(adapter, MSG,
					    "input wifi-only firmware\n");
				return 0;
			}

			if (!cmd7_before) {
				mwifiex_dbg(adapter, ERROR,
					    "no cmd7 before cmd1!\n");
				ret = -1;
				goto done;
			}
			offset += data_len;
			break;
		case MWIFIEX_FW_DNLD_CMD_5:
			first_cmd = true;
			/* Check for integer overflow */
			if (offset + data_len < data_len) {
				mwifiex_dbg(adapter, ERROR, "bad FW parse\n");
@@ -2037,6 +2047,7 @@ static int mwifiex_extract_wifi_fw(struct mwifiex_adapter *adapter,
			offset += data_len;
			break;
		case MWIFIEX_FW_DNLD_CMD_6:
			first_cmd = true;
			/* Check for integer overflow */
			if (offset + data_len < data_len) {
				mwifiex_dbg(adapter, ERROR, "bad FW parse\n");
@@ -2053,6 +2064,7 @@ static int mwifiex_extract_wifi_fw(struct mwifiex_adapter *adapter,
			}
			goto done;
		case MWIFIEX_FW_DNLD_CMD_7:
			first_cmd = true;
			cmd7_before = true;
			break;
		default: