A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 19:21:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

libata: Add support for SEND/RECEIVE FPDMA QUEUED

Browse source 
Add support for the following ATA opcodes, which are present
in SATA 3.1 and T13 ATA ACS-3:

        SEND FPDMA QUEUED
        RECEIVE FPDMA QUEUED

Signed-off-by: Marc Carino <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
This commit is contained in:
Marc Carino 2013-08-24 23:22:50 -07:00 • committed by Tejun Heo
commit ed36911c74
3 changed files with 41 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

16
drivers/ata/libata-core.c
View file

@ -2141,6 +2141,22 @@ static int ata_dev_config_ncq(struct ata_device *dev,
else
snprintf(desc, desc_sz, "NCQ (depth %d/%d)%s", hdepth,
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 {
dev->flags |= ATA_DFLAG_NCQ_SEND_RECV;
memcpy(dev->ncq_send_recv_cmds, ap->sector_buf,
ATA_LOG_NCQ_SEND_RECV_SIZE);
}
}
return 0;
}