diff options
Diffstat (limited to 'drivers/ide/ide-disk.c')
| -rw-r--r-- | drivers/ide/ide-disk.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 5ce4216f72a..4754769eda9 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -481,6 +481,16 @@ 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 }, + { "ST320413A", NULL }, + { NULL, NULL } +}; + static void idedisk_check_hpa(ide_drive_t *drive) { unsigned long long capacity, set_max; @@ -492,6 +502,15 @@ 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; |