Set the maximum packet size to 512 for SuperSpeed devices.
Signed-off-by: Patrick Rudolph <patrick.rudo...@9elements.com>
---
grub-core/bus/usb/usbtrans.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/grub-core/bus/usb/usbtrans.c b/grub-core/bus/usb/usbtrans.c
index 85f081fff..5b68f17f9 100644
--- a/grub-core/bus/usb/usbtrans.c
+++ b/grub-core/bus/usb/usbtrans.c
@@ -130,6 +130,8 @@ grub_usb_control_msg (grub_usb_device_t dev,
/* Determine the maximum packet size. */
if (dev->descdev.maxsize0)
max = dev->descdev.maxsize0;
+ else if (dev->speed == GRUB_USB_SPEED_SUPER)
+ max = 512;
else
max = 64;
--
2.26.2
_______________________________________________
Grub-devel mailing list
Grub-devel@gnu.org
https://lists.gnu.org/mailman/listinfo/grub-devel
