Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

[linux-2.6-omap-h63xx.git] / drivers / ide / ide-disk.c

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 5ce4216f72a2b51fb0329c8e3f102d7c97129825..eba1adbc1b6a0733137085f67a6933ccb4ebba13 100644 (file)
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -481,6 +481,15 @@ static inline int idedisk_supports_lba48(const struct hd_driveid *id)
               && id->lba_capacity_2;
 }
 
+/*
+ * Some disks report total number of sectors instead of
+ * maximum sector address.  We list them here.
+ */
+static const struct drive_list_entry hpa_list[] = {
+       { "ST340823A",  NULL },
+       { NULL,         NULL }
+};
+
 static void idedisk_check_hpa(ide_drive_t *drive)
 {
        unsigned long long capacity, set_max;
@@ -492,6 +501,15 @@ static void idedisk_check_hpa(ide_drive_t *drive)
        else
                set_max = idedisk_read_native_max_address(drive);
 
+       if (ide_in_drive_list(drive->id, hpa_list)) {
+               /*
+                * Since we are inclusive wrt to firmware revisions do this
+                * extra check and apply the workaround only when needed.
+                */
+               if (set_max == capacity + 1)
+                       set_max--;
+       }
+
        if (set_max <= capacity)
                return;