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Diffstat (limited to 'drivers/ata/ata_piix.c')
-rw-r--r--drivers/ata/ata_piix.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index d2ba439cfe54..ffdd32d22602 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1547,6 +1547,10 @@ static bool piix_broken_system_poweroff(struct pci_dev *pdev)
static int prefer_ms_hyperv = 1;
module_param(prefer_ms_hyperv, int, 0);
+MODULE_PARM_DESC(prefer_ms_hyperv,
+ "Prefer Hyper-V paravirtualization drivers instead of ATA, "
+ "0 - Use ATA drivers, "
+ "1 (Default) - Use the paravirtualization drivers.");
static void piix_ignore_devices_quirk(struct ata_host *host)
{