[libata] MWDMA0 is unsupported on PIIX-like PATA controllers

[firefly-linux-kernel-4.4.55.git] / drivers / ata / pata_oldpiix.c

diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c
index 84ac5033ac89d682c2764d2ca3a5fe7db4d394da..9a8687db6b2d422b80ae69cd9040b1eda8cfa7cf 100644 (file)
--- a/drivers/ata/pata_oldpiix.c
+++ b/drivers/ata/pata_oldpiix.c
@@ -239,7 +239,7 @@ static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *e
        static const struct ata_port_info info = {
                .flags          = ATA_FLAG_SLAVE_POSS,
                .pio_mask       = ATA_PIO4,
-               .mwdma_mask     = ATA_MWDMA2,
+               .mwdma_mask     = ATA_MWDMA12_ONLY,
                .port_ops       = &oldpiix_pata_ops,
        };
        const struct ata_port_info *ppi[] = { &info, NULL };