mmc: dw_mmc: fix possible build error

Fix the following build errors:

drivers/mmc/host/dw_mmc-k3.c: In function ‘dw_mci_k3_suspend’:
drivers/mmc/host/dw_mmc-k3.c:58:2: error: implicit declaration of
	function ‘dw_mci_suspend’ [-Werror=implicit-function-declaration]
  ret = dw_mci_suspend(host);
  ^
drivers/mmc/host/dw_mmc-k3.c: In function ‘dw_mci_k3_resume’:
drivers/mmc/host/dw_mmc-k3.c:76:2: error: implicit declaration of
	function ‘dw_mci_resume’ [-Werror=implicit-function-declaration]
  return dw_mci_resume(host);
  ^
drivers/mmc/host/dw_mmc-k3.c: At top level:
drivers/mmc/host/dw_mmc-k3.c:53:12: warning: ‘dw_mci_k3_suspend’ defined
	but not used [-Wunused-function]
 static int dw_mci_k3_suspend(struct device *dev)
            ^
drivers/mmc/host/dw_mmc-k3.c:65:12: warning: ‘dw_mci_k3_resume’ defined
	but not used [-Wunused-function]
 static int dw_mci_k3_resume(struct device *dev)
            ^

Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <chris@printf.net>

2 files changed, 3 insertions, 1 deletions

diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c
index f567c219cff4..650f9cc3f7a6 100644
--- a/drivers/mmc/host/dw_mmc-k3.c
+++ b/drivers/mmc/host/dw_mmc-k3.c
@@ -50,6 +50,7 @@ static int dw_mci_k3_probe(struct platform_device *pdev)
         return dw_mci_pltfm_register(pdev, drv_data);
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int dw_mci_k3_suspend(struct device *dev)
 {
         struct dw_mci *host = dev_get_drvdata(dev);
@@ -75,6 +76,7 @@ static int dw_mci_k3_resume(struct device *dev)
 
         return dw_mci_resume(host);
 }
+#endif /* CONFIG_PM_SLEEP */
 
 static SIMPLE_DEV_PM_OPS(dw_mci_k3_pmops, dw_mci_k3_suspend, dw_mci_k3_resume);
 
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
index 306451fbbfe1..68349779c396 100644
--- a/drivers/mmc/host/dw_mmc.h
+++ b/drivers/mmc/host/dw_mmc.h
@@ -185,7 +185,7 @@
 
 extern int dw_mci_probe(struct dw_mci *host);
 extern void dw_mci_remove(struct dw_mci *host);
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 extern int dw_mci_suspend(struct dw_mci *host);
 extern int dw_mci_resume(struct dw_mci *host);
 #endif