The Alcor Link AK9563 smartcard reader used on some Lenovo platforms doesn't work. If LPM is enabled the reader will provide an invalid usb config descriptor. Added quirk to disable LPM.
Verified fix on Lenovo P16 G1 and T14 G3
Tested-by: Miroslav Zatko mzatko@mirexoft.com Tested-by: Dennis Wassenberg dennis.wassenberg@secunet.com
Cc: stable@vger.kernel.org
Signed-off-by: Dennis Wassenberg dennis.wassenberg@secunet.com Signed-off-by: Mark Pearson mpearson-lenovo@squebb.ca --- drivers/usb/core/quirks.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 079e183cf3bf..9b1c56646ac5 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -535,6 +535,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* INTEL VALUE SSD */ { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Alcor Link AK9563 SC Reader used in 2022 Lenovo ThinkPads */ + { USB_DEVICE(0x2ce3, 0x9563), .driver_info = USB_QUIRK_NO_LPM }, + { } /* terminating entry must be last */ };
On Wed, Feb 08, 2023 at 09:46:48AM -0500, Mark Pearson wrote:
The Alcor Link AK9563 smartcard reader used on some Lenovo platforms doesn't work. If LPM is enabled the reader will provide an invalid usb config descriptor. Added quirk to disable LPM.
Verified fix on Lenovo P16 G1 and T14 G3
Tested-by: Miroslav Zatko mzatko@mirexoft.com Tested-by: Dennis Wassenberg dennis.wassenberg@secunet.com
Cc: stable@vger.kernel.org
Signed-off-by: Dennis Wassenberg dennis.wassenberg@secunet.com Signed-off-by: Mark Pearson mpearson-lenovo@squebb.ca
No blank lines needed between tested-by and cc: stable.
drivers/usb/core/quirks.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 079e183cf3bf..9b1c56646ac5 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -535,6 +535,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* INTEL VALUE SSD */ { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Alcor Link AK9563 SC Reader used in 2022 Lenovo ThinkPads */
- { USB_DEVICE(0x2ce3, 0x9563), .driver_info = USB_QUIRK_NO_LPM },
Please follow the instructions in the comment right above this structure definition for where to put the entry in the list.
thanks,
greg k-h
Thanks Greg
On Wed, Feb 8, 2023, at 10:03 AM, Greg KH wrote:
On Wed, Feb 08, 2023 at 09:46:48AM -0500, Mark Pearson wrote:
The Alcor Link AK9563 smartcard reader used on some Lenovo platforms doesn't work. If LPM is enabled the reader will provide an invalid usb config descriptor. Added quirk to disable LPM.
Verified fix on Lenovo P16 G1 and T14 G3
Tested-by: Miroslav Zatko mzatko@mirexoft.com Tested-by: Dennis Wassenberg dennis.wassenberg@secunet.com
Cc: stable@vger.kernel.org
Signed-off-by: Dennis Wassenberg dennis.wassenberg@secunet.com Signed-off-by: Mark Pearson mpearson-lenovo@squebb.ca
No blank lines needed between tested-by and cc: stable.
Ack
drivers/usb/core/quirks.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 079e183cf3bf..9b1c56646ac5 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -535,6 +535,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* INTEL VALUE SSD */ { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
- /* Alcor Link AK9563 SC Reader used in 2022 Lenovo ThinkPads */
- { USB_DEVICE(0x2ce3, 0x9563), .driver_info = USB_QUIRK_NO_LPM },
Please follow the instructions in the comment right above this structure definition for where to put the entry in the list.
Ah - my bad. Will fix.
Mark
linux-stable-mirror@lists.linaro.org
-
Greg KH -
Mark Pearson