diff options
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/fw.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index be39a8468d32..23204b2706c9 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -462,7 +462,7 @@ int rtw89_mfw_recognize(struct rtw89_dev *rtwdev, enum rtw89_fw_type type, const u8 *mfw = firmware->data; u32 mfw_len = firmware->size; const struct rtw89_mfw_hdr *mfw_hdr = (const struct rtw89_mfw_hdr *)mfw; - const struct rtw89_mfw_info *mfw_info; + const struct rtw89_mfw_info *mfw_info = NULL, *tmp; int i; if (mfw_hdr->sig != RTW89_MFW_SIG) { @@ -476,15 +476,27 @@ int rtw89_mfw_recognize(struct rtw89_dev *rtwdev, enum rtw89_fw_type type, } for (i = 0; i < mfw_hdr->fw_nr; i++) { - mfw_info = &mfw_hdr->info[i]; - if (mfw_info->type == type) { - if (mfw_info->cv == rtwdev->hal.cv && !mfw_info->mp) - goto found; - if (type == RTW89_FW_LOGFMT) - goto found; + tmp = &mfw_hdr->info[i]; + if (tmp->type != type) + continue; + + if (type == RTW89_FW_LOGFMT) { + mfw_info = tmp; + goto found; + } + + /* Version order of WiFi firmware in firmware file are not in order, + * pass all firmware to find the equal or less but closest version. + */ + if (tmp->cv <= rtwdev->hal.cv && !tmp->mp) { + if (!mfw_info || mfw_info->cv < tmp->cv) + mfw_info = tmp; } } + if (mfw_info) + goto found; + if (!nowarn) rtw89_err(rtwdev, "no suitable firmware found\n"); return -ENOENT; @@ -606,10 +618,16 @@ int __rtw89_fw_recognize_from_elm(struct rtw89_dev *rtwdev, struct rtw89_hal *hal = &rtwdev->hal; struct rtw89_fw_suit *fw_suit; - if (hal->cv != elm->u.bbmcu.cv) + /* Version of BB MCU is in decreasing order in firmware file, so take + * first equal or less version, which is equal or less but closest version. + */ + if (hal->cv < elm->u.bbmcu.cv) return 1; /* ignore this element */ fw_suit = rtw89_fw_suit_get(rtwdev, type); + if (fw_suit->data) + return 1; /* ignore this element (a firmware is taken already) */ + fw_suit->data = elm->u.bbmcu.contents; fw_suit->size = le32_to_cpu(elm->size); |