2 files changed, 12 insertions, 1 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index cc85a9278190..0e545e044c1b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2581,6 +2581,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                                         bytes of sense data);
                                 c = FIX_CAPACITY (decrease the reported
                                         device capacity by one sector);
+                                d = NO_READ_DISC_INFO (don't use
+                                        READ_DISC_INFO command);
+                                e = NO_READ_CAPACITY_16 (don't use
+                                        READ_CAPACITY_16 command);
                                 h = CAPACITY_HEURISTICS (decrease the
                                         reported device capacity by one
                                         sector if the number is odd);
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 4219c197cb08..5ee7ac42e08f 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -439,7 +439,8 @@ static void adjust_quirks(struct us_data *us)
                         US_FL_CAPACITY_HEURISTICS | US_FL_IGNORE_DEVICE |
                         US_FL_NOT_LOCKABLE | US_FL_MAX_SECTORS_64 |
                         US_FL_CAPACITY_OK | US_FL_IGNORE_RESIDUE |
-                        US_FL_SINGLE_LUN | US_FL_NO_WP_DETECT);
+                        US_FL_SINGLE_LUN | US_FL_NO_WP_DETECT |
+                        US_FL_NO_READ_DISC_INFO | US_FL_NO_READ_CAPACITY_16);
 
         p = quirks;
         while (*p) {
@@ -471,6 +472,12 @@ static void adjust_quirks(struct us_data *us)
                 case 'c':
                         f |= US_FL_FIX_CAPACITY;
                         break;
+                case 'd':
+                        f |= US_FL_NO_READ_DISC_INFO;
+                        break;
+                case 'e':
+                        f |= US_FL_NO_READ_CAPACITY_16;
+                        break;
                 case 'h':
                         f |= US_FL_CAPACITY_HEURISTICS;
                         break;