| From 72f388d97e0aff3cda80716aea38a3dfce21eb40 Mon Sep 17 00:00:00 2001 |
| From: Oliver Neukum <oneukum@suse.com> |
| Date: Thu, 14 Nov 2019 12:27:58 +0100 |
| Subject: [PATCH] USB: documentation: flags on usb-storage versus UAS |
| |
| commit 65cc8bf99349f651a0a2cee69333525fe581f306 upstream. |
| |
| Document which flags work storage, UAS or both |
| |
| Signed-off-by: Oliver Neukum <oneukum@suse.com> |
| Cc: stable <stable@vger.kernel.org> |
| Link: https://lore.kernel.org/r/20191114112758.32747-4-oneukum@suse.com |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> |
| |
| diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt |
| index 9b585e3010f9..c10c6a043d4b 100644 |
| --- a/Documentation/admin-guide/kernel-parameters.txt |
| +++ b/Documentation/admin-guide/kernel-parameters.txt |
| @@ -5052,13 +5052,13 @@ |
| Flags is a set of characters, each corresponding |
| to a common usb-storage quirk flag as follows: |
| a = SANE_SENSE (collect more than 18 bytes |
| - of sense data); |
| + of sense data, not on uas); |
| b = BAD_SENSE (don't collect more than 18 |
| - bytes of sense data); |
| + bytes of sense data, not on uas); |
| c = FIX_CAPACITY (decrease the reported |
| device capacity by one sector); |
| d = NO_READ_DISC_INFO (don't use |
| - READ_DISC_INFO command); |
| + READ_DISC_INFO command, not on uas); |
| e = NO_READ_CAPACITY_16 (don't use |
| READ_CAPACITY_16 command); |
| f = NO_REPORT_OPCODES (don't use report opcodes |
| @@ -5073,17 +5073,18 @@ |
| j = NO_REPORT_LUNS (don't use report luns |
| command, uas only); |
| l = NOT_LOCKABLE (don't try to lock and |
| - unlock ejectable media); |
| + unlock ejectable media, not on uas); |
| m = MAX_SECTORS_64 (don't transfer more |
| - than 64 sectors = 32 KB at a time); |
| + than 64 sectors = 32 KB at a time, |
| + not on uas); |
| n = INITIAL_READ10 (force a retry of the |
| - initial READ(10) command); |
| + initial READ(10) command, not on uas); |
| o = CAPACITY_OK (accept the capacity |
| - reported by the device); |
| + reported by the device, not on uas); |
| p = WRITE_CACHE (the device cache is ON |
| - by default); |
| + by default, not on uas); |
| r = IGNORE_RESIDUE (the device reports |
| - bogus residue values); |
| + bogus residue values, not on uas); |
| s = SINGLE_LUN (the device has only one |
| Logical Unit); |
| t = NO_ATA_1X (don't allow ATA(12) and ATA(16) |
| @@ -5092,7 +5093,8 @@ |
| w = NO_WP_DETECT (don't test whether the |
| medium is write-protected). |
| y = ALWAYS_SYNC (issue a SYNCHRONIZE_CACHE |
| - even if the device claims no cache) |
| + even if the device claims no cache, |
| + not on uas) |
| Example: quirks=0419:aaf5:rl,0421:0433:rc |
| |
| user_debug= [KNL,ARM] |
| -- |
| 2.7.4 |
| |
