Message ID | 1446099737-41854-2-git-send-email-Yuantian.Tang@freescale.com |
---|---|
State | Not Applicable |
Delegated to: | David Miller |
Headers | show
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diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c index b9b691e..686d804 100644 --- a/drivers/ata/ahci_qoriq.c +++ b/drivers/ata/ahci_qoriq.c @@ -131,7 +131,7 @@ static struct ata_port_operations ahci_qoriq_ops = { .hardreset = ahci_qoriq_hardreset, }; -static const struct ata_port_info ahci_qoriq_port_info = { +static struct ata_port_info ahci_qoriq_port_info = { .flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ, .pio_mask = ATA_PIO4, .udma_mask = ATA_UDMA6, @@ -208,6 +208,12 @@ static int ahci_qoriq_probe(struct platform_device *pdev) if (rc) goto disable_resources; + /* Workaround for ls2080a */ + if (qoriq_priv->type == AHCI_LS2080A) { + hpriv->flags |= AHCI_HFLAG_NO_NCQ; + ahci_qoriq_port_info.flags &= ~(ATA_FLAG_NCQ); + } + rc = ahci_platform_init_host(pdev, hpriv, &ahci_qoriq_port_info, &ahci_qoriq_sht); if (rc)
NCQ feature can't be used due to the erratum A-008473. This patch disabled NCQ as a workaround. Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com> --- drivers/ata/ahci_qoriq.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)