]> www.infradead.org Git - users/dwmw2/linux.git/commitdiff
usb: quirks: Add DELAY_INIT and NO_LPM for Prolific Mass Storage Card Reader
authorMiao Li <limiao@kylinos.cn>
Tue, 4 Mar 2025 07:07:57 +0000 (15:07 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 6 Mar 2025 15:50:24 +0000 (16:50 +0100)
When used on Huawei hisi platforms, Prolific Mass Storage Card Reader
which the VID:PID is in 067b:2731 might fail to enumerate at boot time
and doesn't work well with LPM enabled, combination quirks:
USB_QUIRK_DELAY_INIT + USB_QUIRK_NO_LPM
fixed the problems.

Signed-off-by: Miao Li <limiao@kylinos.cn>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20250304070757.139473-1-limiao870622@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/core/quirks.c

index dfcfc142bd5e1c338e7a841b21eafd69e878e671..8efbacc5bc34110eb7abe111d4ca4f447a5bff7c 100644 (file)
@@ -341,6 +341,10 @@ static const struct usb_device_id usb_quirk_list[] = {
        { USB_DEVICE(0x0638, 0x0a13), .driver_info =
          USB_QUIRK_STRING_FETCH_255 },
 
+       /* Prolific Single-LUN Mass Storage Card Reader */
+       { USB_DEVICE(0x067b, 0x2731), .driver_info = USB_QUIRK_DELAY_INIT |
+         USB_QUIRK_NO_LPM },
+
        /* Saitek Cyborg Gold Joystick */
        { USB_DEVICE(0x06a3, 0x0006), .driver_info =
                        USB_QUIRK_CONFIG_INTF_STRINGS },