[PATCH] sata_sil: add suspend/sleep support

Add suspend/sleep support.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index 6033f796397f..d0a85073ebf7 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -109,6 +109,7 @@ enum {
 };
 
 static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
+static int sil_pci_device_resume(struct pci_dev *pdev);
 static void sil_dev_config(struct ata_port *ap, struct ata_device *dev);
 static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg);
 static void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
@@ -160,6 +161,8 @@ static struct pci_driver sil_pci_driver = {
         .id_table               = sil_pci_tbl,
         .probe                  = sil_init_one,
         .remove                 = ata_pci_remove_one,
+        .suspend                = ata_pci_device_suspend,
+        .resume                 = sil_pci_device_resume,
 };
 
 static struct scsi_host_template sil_sht = {
@@ -178,6 +181,8 @@ static struct scsi_host_template sil_sht = {
         .slave_configure        = ata_scsi_slave_config,
         .slave_destroy          = ata_scsi_slave_destroy,
         .bios_param             = ata_std_bios_param,
+        .suspend                = ata_scsi_device_suspend,
+        .resume                 = ata_scsi_device_resume,
 };
 
 static const struct ata_port_operations sil_ops = {
@@ -695,6 +700,18 @@ err_out:
         return rc;
 }
 
+static int sil_pci_device_resume(struct pci_dev *pdev)
+{
+        struct ata_host_set *host_set = dev_get_drvdata(&pdev->dev);
+
+        ata_pci_device_do_resume(pdev);
+        sil_init_controller(pdev, host_set->n_ports, host_set->ports[0]->flags,
+                            host_set->mmio_base);
+        ata_host_set_resume(host_set);
+
+        return 0;
+}
+
 static int __init sil_init(void)
 {
         return pci_module_init(&sil_pci_driver);