Commit 43508be5 authored by Hans de Goede's avatar Hans de Goede Committed by Greg Kroah-Hartman
Browse files

uas: Log a warning when we cannot use uas because the hcd lacks streams

So that an user who wants to use uas can see why he is not getting uas.

Also move the check down so that we don't warn if there are other reasons
why uas cannot work.
Signed-off-by: default avatarHans de Goede <>
Signed-off-by: default avatarGreg Kroah-Hartman <>
parent cc4deafc
......@@ -64,9 +64,6 @@ static int uas_use_uas_driver(struct usb_interface *intf,
if (flags & US_FL_IGNORE_UAS)
return 0;
if (udev->speed >= USB_SPEED_SUPER && !hcd->can_do_streams)
return 0;
alt = uas_find_uas_alt_setting(intf);
if (alt < 0)
return 0;
......@@ -84,5 +81,14 @@ static int uas_use_uas_driver(struct usb_interface *intf,
return 0;
if (udev->speed >= USB_SPEED_SUPER && !hcd->can_do_streams) {
"USB controller %s does not support streams, which are required by the UAS driver.\n",
"Please try an other USB controller if you wish to use UAS.\n");
return 0;
return 1;
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