[PATCH] pata_it821x: Suspend/Resume support

If you are using the noraid option then after a suspend/resume sequence
we need to reset the card back out of raid mode again.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 14 insertions, 2 deletions

diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 7f68f14be6f..d57ac741cc0 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -80,7 +80,7 @@
 
 
 #define DRV_NAME "pata_it821x"
-#define DRV_VERSION "0.3.2"
+#define DRV_VERSION "0.3.3"
 
 struct it821x_dev
 {
@@ -677,6 +677,8 @@ static struct scsi_host_template it821x_sht = {
         .slave_configure        = ata_scsi_slave_config,
         .slave_destroy          = ata_scsi_slave_destroy,
         .bios_param             = ata_std_bios_param,
+        .resume                 = ata_scsi_device_resume,
+        .suspend                = ata_scsi_device_suspend,
 };
 
 static struct ata_port_operations it821x_smart_port_ops = {
@@ -809,6 +811,14 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
         return ata_pci_init_one(pdev, port_info, 2);
 }
 
+static int it821x_reinit_one(struct pci_dev *pdev)
+{
+        /* Resume - turn raid back off if need be */
+        if (it8212_noraid)
+                it821x_disable_raid(pdev);
+        return ata_pci_device_resume(pdev);
+}
+
 static const struct pci_device_id it821x[] = {
         { PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8211), },
         { PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8212), },
@@ -820,7 +830,9 @@ static struct pci_driver it821x_pci_driver = {
         .name           = DRV_NAME,
         .id_table       = it821x,
         .probe          = it821x_init_one,
-        .remove         = ata_pci_remove_one
+        .remove         = ata_pci_remove_one,
+        .suspend        = ata_pci_device_suspend,
+        .resume         = it821x_reinit_one,
 };
 
 static int __init it821x_init(void)