[PATCH socfpga-nex] staging: fpga manager: fpga_mgr_low_level_state() can be static

[kbuild test robot]

drivers/staging/fpga/fpga-mgr.c:46:5: sparse: symbol 'fpga_mgr_low_level_state' was not declared. Should it be static?
drivers/staging/fpga/fpga-mgr.c:324:30: sparse: symbol 'fpga_mgr_groups' was not declared. Should it be static?
drivers/staging/fpga/fpga-mgr.c:365:25: sparse: symbol 'fpga_mgr_dev_pm_ops' was not declared. Should it be static?

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 fpga-mgr.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/fpga/fpga-mgr.c b/drivers/staging/fpga/fpga-mgr.c
index d08cb82..3216276 100644
--- a/drivers/staging/fpga/fpga-mgr.c
+++ b/drivers/staging/fpga/fpga-mgr.c
@@ -43,7 +43,7 @@ static LIST_HEAD(fpga_manager_list);
  *
  * This will be used to initialize framework state
  */
-int fpga_mgr_low_level_state(struct fpga_manager *mgr)
+static int fpga_mgr_low_level_state(struct fpga_manager *mgr)
 {
 	if (!mgr || !mgr->mops || !mgr->mops->state)
 		return FPGA_MGR_STATE_UNKNOWN;
@@ -321,7 +321,7 @@ static const struct attribute_group fpga_mgr_group = {
 	.attrs = fpga_mgr_attrs,
 };
 
-const struct attribute_group *fpga_mgr_groups[] = {
+static const struct attribute_group *fpga_mgr_groups[] = {
 	&fpga_mgr_group,
 	NULL,
 };
@@ -362,7 +362,7 @@ static int fpga_mgr_resume(struct device *dev)
 	return 0;
 }
 
-const struct dev_pm_ops fpga_mgr_dev_pm_ops = {
+static const struct dev_pm_ops fpga_mgr_dev_pm_ops = {
 	.suspend	= fpga_mgr_suspend,
 	.resume		= fpga_mgr_resume,
 };
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