diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index d0a14cf..58340ea 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -110,7 +110,8 @@ enum {
 	PIIX_FLAG_SIDPR		= (1 << 29), /* SATA idx/data pair regs */
 
 	PIIX_PATA_FLAGS		= ATA_FLAG_SLAVE_POSS,
-	PIIX_SATA_FLAGS		= ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR,
+	PIIX_SATA_FLAGS		= ATA_FLAG_SATA | ATA_FLAG_NO_SATA_HOTPLUG |
+				  PIIX_FLAG_CHECKINTR,
 
 	PIIX_80C_PRI		= (1 << 5) | (1 << 4),
 	PIIX_80C_SEC		= (1 << 7) | (1 << 6),
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index bbcf970..8cb53b4 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -274,7 +274,8 @@ static const struct ata_port_info pdc_port_info[] = {
 	{
 		.flags		= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
 				  ATA_FLAG_SRST | ATA_FLAG_MMIO |
-				  ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING,
+				  ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING |
+				  ATA_FLAG_NO_SATA_HOTPLUG,
 		.pio_mask	= ATA_PIO4,
 		.mwdma_mask	= ATA_MWDMA2,
 		.udma_mask	= ATA_UDMA6,