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path: root/drivers/ata/ahci.c
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Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r--drivers/ata/ahci.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 1539734bbba..43cc43d7b59 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -219,10 +219,12 @@ static void ahci_thaw(struct ata_port *ap);
static void ahci_error_handler(struct ata_port *ap);
static void ahci_vt8251_error_handler(struct ata_port *ap);
static void ahci_post_internal_cmd(struct ata_queued_cmd *qc);
+#ifdef CONFIG_PM
static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg);
static int ahci_port_resume(struct ata_port *ap);
static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
static int ahci_pci_device_resume(struct pci_dev *pdev);
+#endif
static struct scsi_host_template ahci_sht = {
.module = THIS_MODULE,
@@ -241,8 +243,10 @@ static struct scsi_host_template ahci_sht = {
.slave_configure = ata_scsi_slave_config,
.slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param,
+#ifdef CONFIG_PM
.suspend = ata_scsi_device_suspend,
.resume = ata_scsi_device_resume,
+#endif
};
static const struct ata_port_operations ahci_ops = {
@@ -271,8 +275,10 @@ static const struct ata_port_operations ahci_ops = {
.error_handler = ahci_error_handler,
.post_internal_cmd = ahci_post_internal_cmd,
+#ifdef CONFIG_PM
.port_suspend = ahci_port_suspend,
.port_resume = ahci_port_resume,
+#endif
.port_start = ahci_port_start,
.port_stop = ahci_port_stop,
@@ -304,8 +310,10 @@ static const struct ata_port_operations ahci_vt8251_ops = {
.error_handler = ahci_vt8251_error_handler,
.post_internal_cmd = ahci_post_internal_cmd,
+#ifdef CONFIG_PM
.port_suspend = ahci_port_suspend,
.port_resume = ahci_port_resume,
+#endif
.port_start = ahci_port_start,
.port_stop = ahci_port_stop,
@@ -436,8 +444,10 @@ static struct pci_driver ahci_pci_driver = {
.id_table = ahci_pci_tbl,
.probe = ahci_init_one,
.remove = ata_pci_remove_one,
+#ifdef CONFIG_PM
.suspend = ahci_pci_device_suspend,
.resume = ahci_pci_device_resume,
+#endif
};
@@ -577,6 +587,7 @@ static void ahci_power_up(void __iomem *port_mmio, u32 cap)
writel(cmd | PORT_CMD_ICC_ACTIVE, port_mmio + PORT_CMD);
}
+#ifdef CONFIG_PM
static void ahci_power_down(void __iomem *port_mmio, u32 cap)
{
u32 cmd, scontrol;
@@ -594,6 +605,7 @@ static void ahci_power_down(void __iomem *port_mmio, u32 cap)
cmd &= ~PORT_CMD_SPIN_UP;
writel(cmd, port_mmio + PORT_CMD);
}
+#endif
static void ahci_init_port(void __iomem *port_mmio, u32 cap,
dma_addr_t cmd_slot_dma, dma_addr_t rx_fis_dma)
@@ -1335,6 +1347,7 @@ static void ahci_post_internal_cmd(struct ata_queued_cmd *qc)
}
}
+#ifdef CONFIG_PM
static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg)
{
struct ahci_host_priv *hpriv = ap->host->private_data;
@@ -1413,6 +1426,7 @@ static int ahci_pci_device_resume(struct pci_dev *pdev)
return 0;
}
+#endif
static int ahci_port_start(struct ata_port *ap)
{