| Message ID | 8becd851-8760-4480-8e8c-c4869ce72507@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Delegated to: | Ping-Ke Shih |
| Headers | show |
| Series | wifi: rtw88: Add support for RTL8821AU and RTL8812AU | expand |
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index bbdef38c7e34..942266324ca4 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -1917,6 +1917,9 @@ static int rtw_dump_hw_feature(struct rtw_dev *rtwdev) u8 bw; int i; + if (!rtwdev->chip->hw_feature_report) + return 0; + id = rtw_read8(rtwdev, REG_C2HEVT); if (id != C2H_HW_FEATURE_REPORT) { rtw_err(rtwdev, "failed to read hw feature report\n"); diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index a2bef559cfb8..58c7c6a178a8 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -1200,6 +1200,7 @@ struct rtw_chip_info { const struct rtw_fwcd_segs *fwcd_segs; u8 usb_tx_agg_desc_num; + bool hw_feature_report; u8 default_1ss_tx_path; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8703b.c b/drivers/net/wireless/realtek/rtw88/rtw8703b.c index 77399b8dd8cd..01ac07ac68c8 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8703b.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8703b.c @@ -1960,6 +1960,7 @@ const struct rtw_chip_info rtw8703b_hw_spec = { .max_power_index = 0x3f, .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, .usb_tx_agg_desc_num = 1, /* Not sure if this chip has USB interface */ + .hw_feature_report = true, .path_div_supported = false, .ht_supported = true, diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c index 86a5e2497641..bf87c92087da 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c @@ -2131,6 +2131,7 @@ const struct rtw_chip_info rtw8723d_hw_spec = { .page_size = TX_PAGE_SIZE, .dig_min = 0x20, .usb_tx_agg_desc_num = 1, + .hw_feature_report = true, .ht_supported = true, .vht_supported = false, .lps_deep_mode_supported = 0, diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index 66c79956e8e5..44ef2e246724 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -1968,6 +1968,7 @@ const struct rtw_chip_info rtw8821c_hw_spec = { .page_size = TX_PAGE_SIZE, .dig_min = 0x1c, .usb_tx_agg_desc_num = 3, + .hw_feature_report = true, .ht_supported = true, .vht_supported = true, .lps_deep_mode_supported = BIT(LPS_DEEP_MODE_LCLK), diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.c b/drivers/net/wireless/realtek/rtw88/rtw8822b.c index 24f76a36f23e..9b7c383f37fe 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822b.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.c @@ -2509,6 +2509,7 @@ const struct rtw_chip_info rtw8822b_hw_spec = { .page_size = TX_PAGE_SIZE, .dig_min = 0x1c, .usb_tx_agg_desc_num = 3, + .hw_feature_report = true, .ht_supported = true, .vht_supported = true, .lps_deep_mode_supported = BIT(LPS_DEEP_MODE_LCLK), diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index da74e66bda84..063c65c269fe 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -5329,6 +5329,7 @@ const struct rtw_chip_info rtw8822c_hw_spec = { .page_size = TX_PAGE_SIZE, .dig_min = 0x20, .usb_tx_agg_desc_num = 3, + .hw_feature_report = true, .default_1ss_tx_path = BB_PATH_A, .path_div_supported = true, .ht_supported = true,
RTL8821AU and RTL8812AU don't support this. They hit the "failed to read hw feature report" error. Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> --- v2: - Return instead of printing hw_cap. v3: - No change. --- drivers/net/wireless/realtek/rtw88/main.c | 3 +++ drivers/net/wireless/realtek/rtw88/main.h | 1 + drivers/net/wireless/realtek/rtw88/rtw8703b.c | 1 + drivers/net/wireless/realtek/rtw88/rtw8723d.c | 1 + drivers/net/wireless/realtek/rtw88/rtw8821c.c | 1 + drivers/net/wireless/realtek/rtw88/rtw8822b.c | 1 + drivers/net/wireless/realtek/rtw88/rtw8822c.c | 1 + 7 files changed, 9 insertions(+)