diff mbox series

[rtw-next,v2,1/4] wifi: rtw88: usb: Enable switching the RTL8814AU to USB 3

Message ID 43c72109-2408-4989-bb99-c18ba1ca88f3@gmail.com (mailing list archive)
State New
Delegated to: Ping-Ke Shih
Headers show
Series Improve RTL8814AU performance | expand

Checks

Context Check Description
wifibot/fixes_present success Fixes tag not required for -next series
wifibot/series_format success Posting correctly formatted
wifibot/tree_selection success Clearly marked for rtw-next
wifibot/ynl success Generated files up to date; no warnings/errors; no diff in generated;
wifibot/build_32bit success Errors and warnings before: 0 this patch: 0
wifibot/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
wifibot/build_clang success Errors and warnings before: 0 this patch: 0
wifibot/build_clang_rust success No Rust files in patch. Skipping build
wifibot/build_tools success No tools touched, skip
wifibot/check_selftest success No net selftest shell script
wifibot/checkpatch success total: 0 errors, 0 warnings, 0 checks, 9 lines checked
wifibot/deprecated_api success None detected
wifibot/header_inline success No static functions without inline keyword in header files
wifibot/kdoc success Errors and warnings before: 0 this patch: 0
wifibot/source_inline success Was 0 now: 0
wifibot/verify_fixes success No Fixes tag
wifibot/verify_signedoff success Signed-off-by tag matches author and committer

Commit Message

Bitterblue Smith March 30, 2025, 2:55 p.m. UTC 
The Realtek wifi 5 devices which support USB 3 are weird: when first
plugged in, they pretend to be USB 2. The driver needs to send some
commands to the device, which make it disappear and come back as a
USB 3 device.

The method used to switch the RTL8812AU also works for the RTL8814AU.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
---
v2:
 - Add Acked-by.
---
 drivers/net/wireless/realtek/rtw88/usb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw88/usb.c b/drivers/net/wireless/realtek/rtw88/usb.c
index c8092fa0d9f1..a78f59fcde58 100644
--- a/drivers/net/wireless/realtek/rtw88/usb.c
+++ b/drivers/net/wireless/realtek/rtw88/usb.c
@@ -1094,7 +1094,8 @@  static int rtw_usb_switch_mode_new(struct rtw_dev *rtwdev)
 
 static bool rtw_usb3_chip_old(u8 chip_id)
 {
-	return chip_id == RTW_CHIP_TYPE_8812A;
+	return chip_id == RTW_CHIP_TYPE_8812A ||
+	       chip_id == RTW_CHIP_TYPE_8814A;
 }
 
 static bool rtw_usb3_chip_new(u8 chip_id)