diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/mac.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/mac.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c index 75f35a97dca7..aa1f15e18c7a 100644 --- a/drivers/net/wireless/realtek/rtw88/mac.c +++ b/drivers/net/wireless/realtek/rtw88/mac.c @@ -312,15 +312,16 @@ void rtw_mac_power_off(struct rtw_dev *rtwdev) static bool check_firmware_size(const u8 *data, u32 size) { + const struct rtw_fw_hdr *fw_hdr = (const struct rtw_fw_hdr *)data; u32 dmem_size; u32 imem_size; u32 emem_size; u32 real_size; - dmem_size = le32_to_cpu(*((__le32 *)(data + FW_HDR_DMEM_SIZE))); - imem_size = le32_to_cpu(*((__le32 *)(data + FW_HDR_IMEM_SIZE))); - emem_size = ((*(data + FW_HDR_MEM_USAGE)) & BIT(4)) ? - le32_to_cpu(*((__le32 *)(data + FW_HDR_EMEM_SIZE))) : 0; + dmem_size = le32_to_cpu(fw_hdr->dmem_size); + imem_size = le32_to_cpu(fw_hdr->imem_size); + emem_size = (fw_hdr->mem_usage & BIT(4)) ? + le32_to_cpu(fw_hdr->emem_size) : 0; dmem_size += FW_HDR_CHKSUM_SIZE; imem_size += FW_HDR_CHKSUM_SIZE; @@ -569,14 +570,13 @@ download_firmware_to_mem(struct rtw_dev *rtwdev, const u8 *data, static void update_firmware_info(struct rtw_dev *rtwdev, struct rtw_fw_state *fw) { - const u8 *data = fw->firmware->data; + const struct rtw_fw_hdr *fw_hdr = + (const struct rtw_fw_hdr *)fw->firmware->data; - fw->h2c_version = - le16_to_cpu(*((__le16 *)(data + FW_HDR_H2C_FMT_VER))); - fw->version = - le16_to_cpu(*((__le16 *)(data + FW_HDR_VERSION))); - fw->sub_version = *(data + FW_HDR_SUBVERSION); - fw->sub_index = *(data + FW_HDR_SUBINDEX); + fw->h2c_version = le16_to_cpu(fw_hdr->h2c_fmt_ver); + fw->version = le16_to_cpu(fw_hdr->version); + fw->sub_version = fw_hdr->subversion; + fw->sub_index = fw_hdr->subindex; rtw_info(rtwdev, "Firmware version %u.%u.%u, H2C version %u\n", fw->version, fw->sub_version, fw->sub_index, fw->h2c_version); @@ -585,6 +585,7 @@ static void update_firmware_info(struct rtw_dev *rtwdev, static int start_download_firmware(struct rtw_dev *rtwdev, const u8 *data, u32 size) { + const struct rtw_fw_hdr *fw_hdr = (const struct rtw_fw_hdr *)data; const u8 *cur_fw; u16 val; u32 imem_size; @@ -593,10 +594,10 @@ start_download_firmware(struct rtw_dev *rtwdev, const u8 *data, u32 size) u32 addr; int ret; - dmem_size = le32_to_cpu(*((__le32 *)(data + FW_HDR_DMEM_SIZE))); - imem_size = le32_to_cpu(*((__le32 *)(data + FW_HDR_IMEM_SIZE))); - emem_size = ((*(data + FW_HDR_MEM_USAGE)) & BIT(4)) ? - le32_to_cpu(*((__le32 *)(data + FW_HDR_EMEM_SIZE))) : 0; + dmem_size = le32_to_cpu(fw_hdr->dmem_size); + imem_size = le32_to_cpu(fw_hdr->imem_size); + emem_size = (fw_hdr->mem_usage & BIT(4)) ? + le32_to_cpu(fw_hdr->emem_size) : 0; dmem_size += FW_HDR_CHKSUM_SIZE; imem_size += FW_HDR_CHKSUM_SIZE; emem_size += emem_size ? FW_HDR_CHKSUM_SIZE : 0; @@ -606,14 +607,14 @@ start_download_firmware(struct rtw_dev *rtwdev, const u8 *data, u32 size) rtw_write16(rtwdev, REG_MCUFW_CTRL, val); cur_fw = data + FW_HDR_SIZE; - addr = le32_to_cpu(*((__le32 *)(data + FW_HDR_DMEM_ADDR))); + addr = le32_to_cpu(fw_hdr->dmem_addr); addr &= ~BIT(31); ret = download_firmware_to_mem(rtwdev, cur_fw, 0, addr, dmem_size); if (ret) return ret; cur_fw = data + FW_HDR_SIZE + dmem_size; - addr = le32_to_cpu(*((__le32 *)(data + FW_HDR_IMEM_ADDR))); + addr = le32_to_cpu(fw_hdr->imem_addr); addr &= ~BIT(31); ret = download_firmware_to_mem(rtwdev, cur_fw, 0, addr, imem_size); if (ret) @@ -621,7 +622,7 @@ start_download_firmware(struct rtw_dev *rtwdev, const u8 *data, u32 size) if (emem_size) { cur_fw = data + FW_HDR_SIZE + dmem_size + imem_size; - addr = le32_to_cpu(*((__le32 *)(data + FW_HDR_EMEM_ADDR))); + addr = le32_to_cpu(fw_hdr->emem_addr); addr &= ~BIT(31); ret = download_firmware_to_mem(rtwdev, cur_fw, 0, addr, emem_size); |