Re: [PATCH fix for 3.17 v2] uas: Add a quirk for rejecting ATA_12 and ATA_16 commands

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Den 13.09.2014 21:02, Hans de Goede skrev:
And set this quirk for the Seagate Expansion Desk (0bc2:2312), as that one
seems to hang upon receiving an ATA_12 or ATA_16 command.

https://bugzilla.kernel.org/show_bug.cgi?id=79511

While at it also add missing documentation for the u value for usb-storage
quirks.

Cc: stable@xxxxxxxxxxxxxxx # 3.16
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>

--
Changes in v2: Add documentation for new t and u usb-storage.quirks flags
---
  Documentation/kernel-parameters.txt |  3 +++
  drivers/usb/storage/uas.c           | 13 +++++++++++++
  drivers/usb/storage/unusual_uas.h   | 16 ++++++----------
  drivers/usb/storage/usb.c           |  6 +++++-
  include/linux/usb_usual.h           |  2 ++
  5 files changed, 29 insertions(+), 11 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5ae8608..7c32053 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3541,6 +3541,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
  					bogus residue values);
  				s = SINGLE_LUN (the device has only one
  					Logical Unit);
+				t = NO_ATA_1X (don't allow ATA12 and ATA12
+					commands, uas only);

I guess you meant ATA12 and *ATA16*

+				u = IGNORE_UAS (do not try to use uas);
  				w = NO_WP_DETECT (don't test whether the
  					medium is write-protected).
  			Example: quirks=0419:aaf5:rl,0421:0433:rc

--

Thomas

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