1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 1da9935ba948..aae4806f0603 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -565,6 +565,9 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
                 hwif->host_flags = d->host_flags;
                 hwif->pio_mask = d->pio_mask;
 
+                if ((d->host_flags & IDE_HFLAG_SERIALIZE) && hwif->mate)
+                        hwif->mate->serialized = hwif->serialized = 1;
+
                 if (hwif->dma_base) {
                         hwif->swdma_mask = d->swdma_mask;
                         hwif->mwdma_mask = d->mwdma_mask;