diff options
| author |   Jacob Keller <jacob.e.keller@intel.com> | 2022-10-28 04:04:17 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-10-31 11:14:16 +0000 |
| commit | c56dff6a9a315703c7f94eb0b9f682248b96ff0b (patch) | |
| tree | fd5acdce8025d3ed2aa524fe792b731e8824391d /drivers/net/ethernet/microchip/lan743x_ptp.c | |
| parent | ptp: mlx5: convert to .adjfine and adjust_by_scaled_ppm (diff) | |
| download | wireguard-linux-c56dff6a9a315703c7f94eb0b9f682248b96ff0b.tar.xz wireguard-linux-c56dff6a9a315703c7f94eb0b9f682248b96ff0b.zip | |
ptp: lan743x: remove .adjfreq implementation
The lan743x driver implements both .adjfreq and .adjfine, but the core PTP
subsystem prefers .adjfine if implemented. There is no reason to carry a
.adjfreq implementation, so we can remove it.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Cc: Bryan Whitehead <bryan.whitehead@microchip.com>
Cc: UNGLinuxDriver@microchip.com
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/microchip/lan743x_ptp.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/drivers/net/ethernet/microchip/lan743x_ptp.c b/drivers/net/ethernet/microchip/lan743x_ptp.c index da3ea905adbb..28930f3c52c2 100644 --- a/drivers/net/ethernet/microchip/lan743x_ptp.c +++ b/drivers/net/ethernet/microchip/lan743x_ptp.c @@ -365,40 +365,6 @@ static int lan743x_ptpci_adjfine(struct ptp_clock_info *ptpci, long scaled_ppm) return 0; } -static int lan743x_ptpci_adjfreq(struct ptp_clock_info *ptpci, s32 delta_ppb) -{ - struct lan743x_ptp *ptp = - container_of(ptpci, struct lan743x_ptp, ptp_clock_info); - struct lan743x_adapter *adapter = - container_of(ptp, struct lan743x_adapter, ptp); - u32 lan743x_rate_adj = 0; - bool positive = true; - u32 u32_delta = 0; - u64 u64_delta = 0; - - if ((delta_ppb < (-LAN743X_PTP_MAX_FREQ_ADJ_IN_PPB)) || - delta_ppb > LAN743X_PTP_MAX_FREQ_ADJ_IN_PPB) { - return -EINVAL; - } - if (delta_ppb > 0) { - u32_delta = (u32)delta_ppb; - positive = true; - } else { - u32_delta = (u32)(-delta_ppb); - positive = false; - } - u64_delta = (((u64)u32_delta) << 35); - lan743x_rate_adj = div_u64(u64_delta, 1000000000); - - if (positive) - lan743x_rate_adj |= PTP_CLOCK_RATE_ADJ_DIR_; - - lan743x_csr_write(adapter, PTP_CLOCK_RATE_ADJ, - lan743x_rate_adj); - - return 0; -} - static int lan743x_ptpci_adjtime(struct ptp_clock_info *ptpci, s64 delta) { struct lan743x_ptp *ptp = @@ -1583,7 +1549,6 @@ int lan743x_ptp_open(struct lan743x_adapter *adapter) ptp->ptp_clock_info.pps = LAN743X_PTP_N_PPS; ptp->ptp_clock_info.pin_config = ptp->pin_config; ptp->ptp_clock_info.adjfine = lan743x_ptpci_adjfine; - ptp->ptp_clock_info.adjfreq = lan743x_ptpci_adjfreq; ptp->ptp_clock_info.adjtime = lan743x_ptpci_adjtime; ptp->ptp_clock_info.gettime64 = lan743x_ptpci_gettime64; ptp->ptp_clock_info.getcrosststamp = NULL; |