diff options
| author | Hannes Reinecke | 2016-04-25 12:45:46 +0200 |
|---|---|---|
| committer | Tejun Heo | 2016-05-09 18:36:45 +0200 |
| commit | 5a2335512ad30ea38e53e112ca51e8a314dc6874 (patch) | |
| tree | ebf883df43eb4c9c22226a061bd3e046eb6bbfa7 /drivers/ata/libata-core.c | |
| parent | libata/libsas: Define ATA_CMD_NCQ_NON_DATA (diff) | |
| download | kernel-qcow2-linux-5a2335512ad30ea38e53e112ca51e8a314dc6874.tar.gz kernel-qcow2-linux-5a2335512ad30ea38e53e112ca51e8a314dc6874.tar.xz kernel-qcow2-linux-5a2335512ad30ea38e53e112ca51e8a314dc6874.zip | |
libata: Separate out ata_dev_config_ncq_send_recv()
Move NCQ SEND/RECEIVE checks into a separate function.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 7bdb2c4e357f..fa74b57ee52e 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2079,6 +2079,31 @@ static inline u8 ata_dev_knobble(struct ata_device *dev) return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id))); } +static void ata_dev_config_ncq_send_recv(struct ata_device *dev) +{ + struct ata_port *ap = dev->link->ap; + unsigned int err_mask; + + err_mask = ata_read_log_page(dev, ATA_LOG_NCQ_SEND_RECV, + 0, ap->sector_buf, 1); + if (err_mask) { + ata_dev_dbg(dev, + "failed to get NCQ Send/Recv Log Emask 0x%x\n", + err_mask); + } else { + u8 *cmds = dev->ncq_send_recv_cmds; + + dev->flags |= ATA_DFLAG_NCQ_SEND_RECV; + memcpy(cmds, ap->sector_buf, ATA_LOG_NCQ_SEND_RECV_SIZE); + + if (dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM) { + ata_dev_dbg(dev, "disabling queued TRIM support\n"); + cmds[ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET] &= + ~ATA_LOG_NCQ_SEND_RECV_DSM_TRIM; + } + } +} + static int ata_dev_config_ncq(struct ata_device *dev, char *desc, size_t desc_sz) { @@ -2124,26 +2149,8 @@ static int ata_dev_config_ncq(struct ata_device *dev, ddepth, aa_desc); if ((ap->flags & ATA_FLAG_FPDMA_AUX) && - ata_id_has_ncq_send_and_recv(dev->id)) { - err_mask = ata_read_log_page(dev, ATA_LOG_NCQ_SEND_RECV, - 0, ap->sector_buf, 1); - if (err_mask) { - ata_dev_dbg(dev, - "failed to get NCQ Send/Recv Log Emask 0x%x\n", - err_mask); - } else { - u8 *cmds = dev->ncq_send_recv_cmds; - - dev->flags |= ATA_DFLAG_NCQ_SEND_RECV; - memcpy(cmds, ap->sector_buf, ATA_LOG_NCQ_SEND_RECV_SIZE); - - if (dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM) { - ata_dev_dbg(dev, "disabling queued TRIM support\n"); - cmds[ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET] &= - ~ATA_LOG_NCQ_SEND_RECV_DSM_TRIM; - } - } - } + ata_id_has_ncq_send_and_recv(dev->id)) + ata_dev_config_ncq_send_recv(dev); return 0; } |