libata: add CONFIG_PM to libata core layer

Conditionalize all PM related stuff in libata core layer using
CONFIG_PM.

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

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 606145eeba44..dc362fa01ca4 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5354,6 +5354,7 @@ int ata_flush_cache(struct ata_device *dev)
         return 0;
 }
 
+#ifdef CONFIG_PM
 static int ata_host_request_pm(struct ata_host *host, pm_message_t mesg,
                                unsigned int action, unsigned int ehi_flags,
                                int wait)
@@ -5469,6 +5470,7 @@ void ata_host_resume(struct ata_host *host)
                             ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET, 0);
         host->dev->power.power_state = PMSG_ON;
 }
+#endif
 
 /**
  *      ata_port_start - Set port up for dma.
@@ -6104,6 +6106,7 @@ int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits)
         return (tmp == bits->val) ? 1 : 0;
 }
 
+#ifdef CONFIG_PM
 void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg)
 {
         pci_save_state(pdev);
@@ -6155,6 +6158,8 @@ int ata_pci_device_resume(struct pci_dev *pdev)
                 ata_host_resume(host);
         return rc;
 }
+#endif /* CONFIG_PM */
+
 #endif /* CONFIG_PCI */
 
 
@@ -6363,8 +6368,10 @@ EXPORT_SYMBOL_GPL(sata_scr_write);
 EXPORT_SYMBOL_GPL(sata_scr_write_flush);
 EXPORT_SYMBOL_GPL(ata_port_online);
 EXPORT_SYMBOL_GPL(ata_port_offline);
+#ifdef CONFIG_PM
 EXPORT_SYMBOL_GPL(ata_host_suspend);
 EXPORT_SYMBOL_GPL(ata_host_resume);
+#endif /* CONFIG_PM */
 EXPORT_SYMBOL_GPL(ata_id_string);
 EXPORT_SYMBOL_GPL(ata_id_c_string);
 EXPORT_SYMBOL_GPL(ata_id_to_dma_mode);
@@ -6380,16 +6387,20 @@ EXPORT_SYMBOL_GPL(pci_test_config_bits);
 EXPORT_SYMBOL_GPL(ata_pci_init_native_mode);
 EXPORT_SYMBOL_GPL(ata_pci_init_one);
 EXPORT_SYMBOL_GPL(ata_pci_remove_one);
+#ifdef CONFIG_PM
 EXPORT_SYMBOL_GPL(ata_pci_device_do_suspend);
 EXPORT_SYMBOL_GPL(ata_pci_device_do_resume);
 EXPORT_SYMBOL_GPL(ata_pci_device_suspend);
 EXPORT_SYMBOL_GPL(ata_pci_device_resume);
+#endif /* CONFIG_PM */
 EXPORT_SYMBOL_GPL(ata_pci_default_filter);
 EXPORT_SYMBOL_GPL(ata_pci_clear_simplex);
 #endif /* CONFIG_PCI */
 
+#ifdef CONFIG_PM
 EXPORT_SYMBOL_GPL(ata_scsi_device_suspend);
 EXPORT_SYMBOL_GPL(ata_scsi_device_resume);
+#endif /* CONFIG_PM */
 
 EXPORT_SYMBOL_GPL(ata_eng_timeout);
 EXPORT_SYMBOL_GPL(ata_port_schedule_eh);