[PATCH] ata_piix: Add MODULE_PARM_DESC to prefer_ms_hyperv

[Rado Vrbovsky]

From: Andrew Brownfield <abrownfi@xxxxxxxxxx>

In reference to the commit cd006086fa5d91414d8ff9ff2b78fbb593878e3c
this trivial patch adds a description to prefer_ms_hyperv.

[rvrbovsk@xxxxxxxxxx: MODULE_PARM_DESC() string formatting modified]

Signed-off-by: Radomir Vrbovsky <rvrbovsk@xxxxxxxxxx>

---
 drivers/ata/ata_piix.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 174eca6..b9bf99a 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1530,6 +1530,10 @@ 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)
 {
-- 
1.7.11.7
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