On Fri, 18 Sep 2020 14:10:13 +0800 Herrington wrote: > 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 <hankin...@gmail.com>
The declarations are in: drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h You need to split those out into a shared header and include them appropriately.
