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Date:   Fri, 18 Sep 2020 14:05:50 +0800
From:   Herrington <hankinsea@...il.com>
To:     Richard Cochran <richardcochran@...il.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        hankinsea@...il.com
Subject: [PATCH] [PATCH v2]ptp: mark symbols static where possible

We get 1 warning when building kernel with W=1:
drivers/ptp/ptp_pch.c:182:5: warning: no previous prototype for ‘pch_ch_control_read’ [-Wmissing-prototypes]
 u32 pch_ch_control_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:193:6: warning: no previous prototype for ‘pch_ch_control_write’ [-Wmissing-prototypes]
 void pch_ch_control_write(struct pci_dev *pdev, u32 val)
drivers/ptp/ptp_pch.c:201:5: warning: no previous prototype for ‘pch_ch_event_read’ [-Wmissing-prototypes]
 u32 pch_ch_event_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:212:6: warning: no previous prototype for ‘pch_ch_event_write’ [-Wmissing-prototypes]
 void pch_ch_event_write(struct pci_dev *pdev, u32 val)
drivers/ptp/ptp_pch.c:220:5: warning: no previous prototype for ‘pch_src_uuid_lo_read’ [-Wmissing-prototypes]
 u32 pch_src_uuid_lo_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:231:5: warning: no previous prototype for ‘pch_src_uuid_hi_read’ [-Wmissing-prototypes]
 u32 pch_src_uuid_hi_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:242:5: warning: no previous prototype for ‘pch_rx_snap_read’ [-Wmissing-prototypes]
 u64 pch_rx_snap_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:259:5: warning: no previous prototype for ‘pch_tx_snap_read’ [-Wmissing-prototypes]
 u64 pch_tx_snap_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:300:5: warning: no previous prototype for ‘pch_set_station_address’ [-Wmissing-prototypes]
 int pch_set_station_address(u8 *addr, struct pci_dev *pdev)

Signed-off-by: Herrington <hankinsea@...il.com>
---
 drivers/ptp/ptp_pch.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c
index ce10ecd41ba0..70eee68e8dfc 100644
--- a/drivers/ptp/ptp_pch.c
+++ b/drivers/ptp/ptp_pch.c
@@ -179,7 +179,7 @@ static inline void pch_block_reset(struct pch_dev *chip)
 	iowrite32(val, (&chip->regs->control));
 }
 
-u32 pch_ch_control_read(struct pci_dev *pdev)
+static u32 pch_ch_control_read(struct pci_dev *pdev)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
 	u32 val;
@@ -190,6 +190,7 @@ u32 pch_ch_control_read(struct pci_dev *pdev)
 }
 EXPORT_SYMBOL(pch_ch_control_read);
 
+void pch_ch_control_write(struct pci_dev *pdev, u32 val);
 void pch_ch_control_write(struct pci_dev *pdev, u32 val)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
@@ -198,6 +199,7 @@ void pch_ch_control_write(struct pci_dev *pdev, u32 val)
 }
 EXPORT_SYMBOL(pch_ch_control_write);
 
+u32 pch_ch_event_read(struct pci_dev *pdev);
 u32 pch_ch_event_read(struct pci_dev *pdev)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
@@ -209,6 +211,7 @@ u32 pch_ch_event_read(struct pci_dev *pdev)
 }
 EXPORT_SYMBOL(pch_ch_event_read);
 
+void pch_ch_event_write(struct pci_dev *pdev, u32 val);
 void pch_ch_event_write(struct pci_dev *pdev, u32 val)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
@@ -217,6 +220,7 @@ void pch_ch_event_write(struct pci_dev *pdev, u32 val)
 }
 EXPORT_SYMBOL(pch_ch_event_write);
 
+u32 pch_src_uuid_lo_read(struct pci_dev *pdev);
 u32 pch_src_uuid_lo_read(struct pci_dev *pdev)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
@@ -228,6 +232,7 @@ u32 pch_src_uuid_lo_read(struct pci_dev *pdev)
 }
 EXPORT_SYMBOL(pch_src_uuid_lo_read);
 
+u32 pch_src_uuid_hi_read(struct pci_dev *pdev);
 u32 pch_src_uuid_hi_read(struct pci_dev *pdev)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
@@ -239,6 +244,7 @@ u32 pch_src_uuid_hi_read(struct pci_dev *pdev)
 }
 EXPORT_SYMBOL(pch_src_uuid_hi_read);
 
+u64 pch_rx_snap_read(struct pci_dev *pdev);
 u64 pch_rx_snap_read(struct pci_dev *pdev)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
@@ -256,6 +262,7 @@ u64 pch_rx_snap_read(struct pci_dev *pdev)
 }
 EXPORT_SYMBOL(pch_rx_snap_read);
 
+u64 pch_tx_snap_read(struct pci_dev *pdev);
 u64 pch_tx_snap_read(struct pci_dev *pdev)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
@@ -297,6 +304,7 @@ static void pch_reset(struct pch_dev *chip)
  *				    traffic on the  ethernet interface
  * @addr:	dress which contain the column separated address to be used.
  */
+int pch_set_station_address(u8 *addr, struct pci_dev *pdev);
 int pch_set_station_address(u8 *addr, struct pci_dev *pdev)
 {
 	s32 i;
-- 
2.18.1

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