scsi: ufs: Only include power management code if necessary
This patch slightly reduces the UFS driver size if built with power
management support disabled.
Link: https://lore.kernel.org/r/20210722033439.26550-4-bvanassche@acm.org
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Daejun Park <daejun7.park@samsung.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index eff3c0e..68180e8 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -8805,6 +8805,7 @@ static void ufshcd_vreg_set_lpm(struct ufs_hba *hba)
usleep_range(5000, 5100);
}
+#ifdef CONFIG_PM
static int ufshcd_vreg_set_hpm(struct ufs_hba *hba)
{
int ret = 0;
@@ -8832,6 +8833,7 @@ static int ufshcd_vreg_set_hpm(struct ufs_hba *hba)
out:
return ret;
}
+#endif /* CONFIG_PM */
static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba)
{
@@ -9239,6 +9241,7 @@ static int ufshcd_suspend(struct ufs_hba *hba)
return ret;
}
+#ifdef CONFIG_PM
/**
* ufshcd_resume - helper function for resume operations
* @hba: per adapter instance
@@ -9276,7 +9279,9 @@ static int ufshcd_resume(struct ufs_hba *hba)
ufshcd_update_evt_hist(hba, UFS_EVT_RESUME_ERR, (u32)ret);
return ret;
}
+#endif /* CONFIG_PM */
+#ifdef CONFIG_PM_SLEEP
/**
* ufshcd_system_suspend - system suspend callback
* @dev: Device associated with the UFS controller.
@@ -9332,7 +9337,9 @@ int ufshcd_system_resume(struct device *dev)
return ret;
}
EXPORT_SYMBOL(ufshcd_system_resume);
+#endif /* CONFIG_PM_SLEEP */
+#ifdef CONFIG_PM
/**
* ufshcd_runtime_suspend - runtime suspend callback
* @dev: Device associated with the UFS controller.
@@ -9380,6 +9387,7 @@ int ufshcd_runtime_resume(struct device *dev)
return ret;
}
EXPORT_SYMBOL(ufshcd_runtime_resume);
+#endif /* CONFIG_PM */
/**
* ufshcd_shutdown - shutdown routine