diff options
Diffstat (limited to 'drivers/usb/storage/uas-detect.h')
| -rw-r--r-- | drivers/usb/storage/uas-detect.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/usb/storage/uas-detect.h b/drivers/usb/storage/uas-detect.h index 9893d696fc97..f58caa9e6a27 100644 --- a/drivers/usb/storage/uas-detect.h +++ b/drivers/usb/storage/uas-detect.h @@ -51,7 +51,8 @@ static int uas_find_endpoints(struct usb_host_interface *alt, } static int uas_use_uas_driver(struct usb_interface *intf, - const struct usb_device_id *id) + const struct usb_device_id *id, + unsigned long *flags_ret) { struct usb_host_endpoint *eps[4] = { }; struct usb_device *udev = interface_to_usbdev(intf); @@ -73,7 +74,7 @@ static int uas_use_uas_driver(struct usb_interface *intf, * this writing the following versions exist: * ASM1051 - no uas support version * ASM1051 - with broken (*) uas support - * ASM1053 - with working uas support + * ASM1053 - with working uas support, but problems with large xfers * ASM1153 - with working uas support * * Devices with these chips re-use a number of device-ids over the @@ -103,6 +104,9 @@ static int uas_use_uas_driver(struct usb_interface *intf, } else if (usb_ss_max_streams(&eps[1]->ss_ep_comp) == 32) { /* Possibly an ASM1051, disable uas */ flags |= US_FL_IGNORE_UAS; + } else { + /* ASM1053, these have issues with large transfers */ + flags |= US_FL_MAX_SECTORS_240; } } @@ -132,5 +136,8 @@ static int uas_use_uas_driver(struct usb_interface *intf, return 0; } + if (flags_ret) + *flags_ret = flags; + return 1; } |