diff options
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 8058d5ff1c3..deb91efd6d2 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -736,17 +736,6 @@ static int ata_scsiop_read_write(struct ahci_uc_priv *uc_priv, is_write ? "WRITE" : "READ"); return -EIO; } - - /* If this transaction is a write, do a following flush. - * Writes in u-boot are so rare, and the logic to know when is - * the last write and do a flush only there is sufficiently - * difficult. Just do a flush after every write. This incurs, - * usually, one extra flush when the rare writes do happen. - */ - if (is_write) { - if (-EIO == ata_io_flush(uc_priv, pccb->target)) - return -EIO; - } user_buffer += transfer_size; user_buffer_size -= transfer_size; blocks -= now_blocks; @@ -846,6 +835,9 @@ static int ahci_scsi_exec(struct udevice *dev, struct scsi_cmd *pccb) case SCSI_INQUIRY: ret = ata_scsiop_inquiry(uc_priv, pccb); break; + case SCSI_SYNC_CACHE: + ret = ata_io_flush(uc_priv, pccb->target); + break; default: printf("Unsupport SCSI command 0x%02x\n", pccb->cmd[0]); return -ENOTSUPP; |