[PATCH 1/4] ptp_pch: Remove unused function 'pch_ch_control_read()'

[Lee Jones]

Fixes the following W=1 kernel build warning(s):

 drivers/ptp/ptp_pch.c:182:5: warning: no previous prototype for ‘pch_ch_control_read’ [-Wmissing-prototypes]

Cc: Richard Cochran <richardcochran@xxxxxxxxx> (maintainer:PTP HARDWARE CLOCK SUPPORT)
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Jakub Kicinski <kuba@xxxxxxxxxx>
Cc: Flavio Suligoi <f.suligoi@xxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h |  1 -
 drivers/ptp/ptp_pch.c                           | 11 -----------
 2 files changed, 12 deletions(-)

diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h
index 55cef5b16aa5f..3ce4899a0417a 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h
@@ -612,7 +612,6 @@ void pch_gbe_free_tx_resources(struct pch_gbe_adapter *adapter,
 void pch_gbe_free_rx_resources(struct pch_gbe_adapter *adapter,
 			       struct pch_gbe_rx_ring *rx_ring);
 void pch_gbe_update_stats(struct pch_gbe_adapter *adapter);
-u32 pch_ch_control_read(struct pci_dev *pdev);
 void pch_ch_control_write(struct pci_dev *pdev, u32 val);
 u32 pch_ch_event_read(struct pci_dev *pdev);
 void pch_ch_event_write(struct pci_dev *pdev, u32 val);
diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c
index ce10ecd41ba0f..f7ff7230623e0 100644
--- a/drivers/ptp/ptp_pch.c
+++ b/drivers/ptp/ptp_pch.c
@@ -179,17 +179,6 @@ static inline void pch_block_reset(struct pch_dev *chip)
 	iowrite32(val, (&chip->regs->control));
 }
 
-u32 pch_ch_control_read(struct pci_dev *pdev)
-{
-	struct pch_dev *chip = pci_get_drvdata(pdev);
-	u32 val;
-
-	val = ioread32(&chip->regs->ch_control);
-
-	return val;
-}
-EXPORT_SYMBOL(pch_ch_control_read);
-
 void pch_ch_control_write(struct pci_dev *pdev, u32 val)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
-- 
2.27.0