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Commit 8e779c6c authored by Hans de Goede's avatar Hans de Goede Committed by Greg Kroah-Hartman
Browse files

uas: Set max_sectors_240 quirk for ASM1053 devices 



Testing has shown that ASM1053 devices do not work properly with transfers
larger than 240 sectors, so set max_sectors to 240 on these.

Cc: stable@vger.kernel.org # 3.16
Reported-by: default avatarSteve Bangert <sbangert@frontier.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Tested-by: default avatarSteve Bangert <sbangert@frontier.com>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ee136af4

drivers/usb/storage/uas-detect.h

+4 −1
Original line number Diff line number Diff line
@@ -74,7 +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
@@ -104,6 +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;

		}

	}