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| author | Brian Norris <computersforpeace@gmail.com> | 2012-02-21 10:38:44 -0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-03-13 16:36:18 -0400 |
| commit | d408e2b14fba4fa214fa5bc24b7baae8a55e563c (patch) | |
| tree | 25074c867acc318ef5312012f75ca42cb0397fc0 /drivers/ata/ahci_platform.c | |
| parent | 55d5ec316627b64c3764e4c1b4b8e1988e272c1f (diff) | |
| download | linux-0-day-d408e2b14fba4fa214fa5bc24b7baae8a55e563c.tar.gz linux-0-day-d408e2b14fba4fa214fa5bc24b7baae8a55e563c.tar.xz | |
ahci_platform: add STRICT_AHCI platform type
Some platforms need to make use of the AHCI_HFLAG_DELAY_ENGINE flag.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Cc: stable@kernel.org
Diffstat (limited to 'drivers/ata/ahci_platform.c')
| -rw-r--r-- | drivers/ata/ahci_platform.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index 48be4e189163d..0c86c77764bc7 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -26,6 +26,7 @@ enum ahci_type { AHCI, /* standard platform ahci */ IMX53_AHCI, /* ahci on i.mx53 */ + STRICT_AHCI, /* delayed DMA engine start */ }; static struct platform_device_id ahci_devtype[] = { @@ -36,6 +37,9 @@ static struct platform_device_id ahci_devtype[] = { .name = "imx53-ahci", .driver_data = IMX53_AHCI, }, { + .name = "strict-ahci", + .driver_data = STRICT_AHCI, + }, { /* sentinel */ } }; @@ -56,6 +60,13 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_pmp_retry_srst_ops, }, + [STRICT_AHCI] = { + AHCI_HFLAGS (AHCI_HFLAG_DELAY_ENGINE), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, }; static struct scsi_host_template ahci_platform_sht = { |