linux-kernel - [PATCH] phy: qcom-ufs: Fix build error due to missing export symbols

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Date:	Mon, 23 Mar 2015 11:54:50 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Kishon Vijay Abraham I <kishon@...com>
Cc:	Yaniv Gardi <ygardi@...eaurora.org>,
	Dov Levenglick <dovl@...eaurora.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] phy: qcom-ufs: Fix build error due to missing export symbols

Fix below build error when compile the driver as a module.

ERROR: "ufs_qcom_phy_power_off" [drivers/phy/phy-qcom-ufs-qmp-20nm.ko] undefined!
ERROR: "ufs_qcom_phy_power_on" [drivers/phy/phy-qcom-ufs-qmp-20nm.ko] undefined!
ERROR: "ufs_qcom_phy_exit" [drivers/phy/phy-qcom-ufs-qmp-20nm.ko] undefined!
ERROR: "ufs_qcom_phy_calibrate" [drivers/phy/phy-qcom-ufs-qmp-20nm.ko] undefined!
ERROR: "ufs_qcom_phy_generic_probe" [drivers/phy/phy-qcom-ufs-qmp-20nm.ko] undefined!
ERROR: "ufs_qcom_phy_init_vregulators" [drivers/phy/phy-qcom-ufs-qmp-20nm.ko] undefined!
ERROR: "ufs_qcom_phy_init_clks" [drivers/phy/phy-qcom-ufs-qmp-20nm.ko] undefined!
ERROR: "ufs_qcom_phy_remove" [drivers/phy/phy-qcom-ufs-qmp-20nm.ko] undefined!
ERROR: "get_ufs_qcom_phy" [drivers/phy/phy-qcom-ufs-qmp-20nm.ko] undefined!
ERROR: "ufs_qcom_phy_power_off" [drivers/phy/phy-qcom-ufs-qmp-14nm.ko] undefined!
ERROR: "ufs_qcom_phy_power_on" [drivers/phy/phy-qcom-ufs-qmp-14nm.ko] undefined!
ERROR: "ufs_qcom_phy_exit" [drivers/phy/phy-qcom-ufs-qmp-14nm.ko] undefined!
ERROR: "ufs_qcom_phy_generic_probe" [drivers/phy/phy-qcom-ufs-qmp-14nm.ko] undefined!
ERROR: "ufs_qcom_phy_init_vregulators" [drivers/phy/phy-qcom-ufs-qmp-14nm.ko] undefined!
ERROR: "ufs_qcom_phy_init_clks" [drivers/phy/phy-qcom-ufs-qmp-14nm.ko] undefined!
ERROR: "ufs_qcom_phy_calibrate" [drivers/phy/phy-qcom-ufs-qmp-14nm.ko] undefined!
ERROR: "ufs_qcom_phy_remove" [drivers/phy/phy-qcom-ufs-qmp-14nm.ko] undefined!
ERROR: "get_ufs_qcom_phy" [drivers/phy/phy-qcom-ufs-qmp-14nm.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/phy/phy-qcom-ufs.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c
index 86665e9..7f0ad81 100644
--- a/drivers/phy/phy-qcom-ufs.c
+++ b/drivers/phy/phy-qcom-ufs.c
@@ -73,6 +73,7 @@ int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
 out:
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_calibrate);

 struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
 				struct ufs_qcom_phy *common_cfg,
@@ -110,6 +111,7 @@ struct phy *ufs_qcom_phy_generic_probe(struct platform_device *pdev,
 out:
 	return generic_phy;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_generic_probe);

 /*
  * This assumes the embedded phy structure inside generic_phy is of type
@@ -121,6 +123,7 @@ struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy)
 {
 	return (struct ufs_qcom_phy *)phy_get_drvdata(generic_phy);
 }
+EXPORT_SYMBOL_GPL(get_ufs_qcom_phy);

 static
 int ufs_qcom_phy_base_init(struct platform_device *pdev,
@@ -228,6 +231,7 @@ ufs_qcom_phy_init_clks(struct phy *generic_phy,
 out:
 	return err;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_clks);

 int
 ufs_qcom_phy_init_vregulators(struct phy *generic_phy,
@@ -252,6 +256,7 @@ ufs_qcom_phy_init_vregulators(struct phy *generic_phy,
 out:
 	return err;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_vregulators);

 static int __ufs_qcom_phy_init_vreg(struct phy *phy,
 		struct ufs_qcom_phy_vreg *vreg, const char *name, bool optional)
@@ -647,6 +652,7 @@ int ufs_qcom_phy_remove(struct phy *generic_phy,

 	return 0;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_remove);

 int ufs_qcom_phy_exit(struct phy *generic_phy)
 {
@@ -657,6 +663,7 @@ int ufs_qcom_phy_exit(struct phy *generic_phy)

 	return 0;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_exit);

 int ufs_qcom_phy_is_pcs_ready(struct phy *generic_phy)
 {
@@ -725,6 +732,7 @@ out_disable_phy:
 out:
 	return err;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_on);

 int ufs_qcom_phy_power_off(struct phy *generic_phy)
 {
@@ -743,3 +751,4 @@ int ufs_qcom_phy_power_off(struct phy *generic_phy)

 	return 0;
 }
+EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_off);
-- 
1.9.1

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