diff options
| author | Wen Gong <quic_wgong@quicinc.com> | 2022-04-21 05:35:01 +0300 |
|---|---|---|
| committer | Kalle Valo <quic_kvalo@quicinc.com> | 2022-04-27 10:28:19 +0300 |
| commit | 66721bb4bbf25e990e003a2303ef86ce34556bac (patch) | |
| tree | 999176b6a95493f80daf4471d6a5ee3f0ae7f25c /drivers/net/wireless/ath/ath11k/core.c | |
| parent | 161c64de239c7018e0295e7e0520a19f00aa32dc (diff) | |
| download | linux-66721bb4bbf25e990e003a2303ef86ce34556bac.tar.xz | |
ath11k: read country code from SMBIOS for WCN6855/QCA6390
This read the country code from SMBIOS and send the country code
to firmware, firmware will indicate the regulatory domain info of the
country code and then ath11k will use the info.
dmesg:
[ 1242.637173] ath11k_pci 0000:02:00.0: chip_id 0x2 chip_family 0xb board_id 0xff soc_id 0x400c0200
[ 1242.637176] ath11k_pci 0000:02:00.0: fw_version 0x110b09e5 fw_build_timestamp 2021-06-22 09:32 fw_build_id QC_IMAGE_VERSION_STRING=WLAN.HSP.1.1-02533-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
[ 1242.637253] ath11k_pci 0000:02:00.0: worldwide regdomain setting from SMBIOS
[ 1242.637259] ath11k_pci 0000:02:00.0: bdf variant name not found.
[ 1242.637261] ath11k_pci 0000:02:00.0: SMBIOS bdf variant name not set.
[ 1242.637263] ath11k_pci 0000:02:00.0: DT bdf variant name not set.
[ 1242.927543] ath11k_pci 0000:02:00.0: set current country pdev id 0 alpha2 00
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3
Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220421023501.32167-1-quic_wgong@quicinc.com
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/core.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/core.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 36d265454e26..7e074b7716e7 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -544,7 +544,7 @@ int ath11k_core_resume(struct ath11k_base *ab) } EXPORT_SYMBOL(ath11k_core_resume); -static void ath11k_core_check_bdfext(const struct dmi_header *hdr, void *data) +static void ath11k_core_check_cc_code_bdfext(const struct dmi_header *hdr, void *data) { struct ath11k_base *ab = data; const char *magic = ATH11K_SMBIOS_BDF_EXT_MAGIC; @@ -566,6 +566,28 @@ static void ath11k_core_check_bdfext(const struct dmi_header *hdr, void *data) return; } + spin_lock_bh(&ab->base_lock); + + switch (smbios->country_code_flag) { + case ATH11K_SMBIOS_CC_ISO: + ab->new_alpha2[0] = (smbios->cc_code >> 8) & 0xff; + ab->new_alpha2[1] = smbios->cc_code & 0xff; + ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot smbios cc_code %c%c\n", + ab->new_alpha2[0], ab->new_alpha2[1]); + break; + case ATH11K_SMBIOS_CC_WW: + ab->new_alpha2[0] = '0'; + ab->new_alpha2[1] = '0'; + ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot smbios worldwide regdomain\n"); + break; + default: + ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot ignore smbios country code setting %d\n", + smbios->country_code_flag); + break; + } + + spin_unlock_bh(&ab->base_lock); + if (!smbios->bdf_enabled) { ath11k_dbg(ab, ATH11K_DBG_BOOT, "bdf variant name not found.\n"); return; @@ -605,7 +627,7 @@ static void ath11k_core_check_bdfext(const struct dmi_header *hdr, void *data) int ath11k_core_check_smbios(struct ath11k_base *ab) { ab->qmi.target.bdf_ext[0] = '\0'; - dmi_walk(ath11k_core_check_bdfext, ab); + dmi_walk(ath11k_core_check_cc_code_bdfext, ab); if (ab->qmi.target.bdf_ext[0] == '\0') return -ENODATA; |