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authorLaurence Evans <levans@solarflare.com>2013-11-21 10:38:24 +0000
committerBen Hutchings <bhutchings@solarflare.com>2013-12-12 22:07:07 +0000
commit94cd60d09eba9e8de0522d416d867fb16858fccd (patch)
tree49337a6e1b1733580241c42886f2788f58e91a0d /drivers/net/ethernet/sfc/ptp.c
parentsfc: Remove kernel-doc for efx_ptp_data fields not present in this version (diff)
downloadlinux-dev-94cd60d09eba9e8de0522d416d867fb16858fccd.tar.xz
linux-dev-94cd60d09eba9e8de0522d416d867fb16858fccd.zip
sfc: PTP - tidy up unused/useless variables
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/ethernet/sfc/ptp.c')
-rw-r--r--drivers/net/ethernet/sfc/ptp.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index be7ed4e1c96c..82d8e27e8a58 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -237,9 +237,6 @@ struct efx_ptp_timeset {
* @evt_code: Last event code
* @start: Address at which MC indicates ready for synchronisation
* @host_time_pps: Host time at last PPS
- * @last_sync_ns: Last number of nanoseconds between readings when synchronising
- * @base_sync_ns: Number of nanoseconds for last synchronisation.
- * @base_sync_valid: Whether base_sync_time is valid.
* @current_adjfreq: Current ppb adjustment.
* @phc_clock: Pointer to registered phc device
* @phc_clock_info: Registration structure for phc device
@@ -274,9 +271,6 @@ struct efx_ptp_data {
int evt_code;
struct efx_buffer start;
struct pps_event_time host_time_pps;
- unsigned last_sync_ns;
- unsigned base_sync_ns;
- bool base_sync_valid;
s64 current_adjfreq;
struct ptp_clock *phc_clock;
struct ptp_clock_info phc_clock_info;
@@ -482,18 +476,10 @@ efx_ptp_process_times(struct efx_nic *efx, MCDI_DECLARE_STRUCT_PTR(synch_buf),
if (ngood == 0) {
netif_warn(efx, drv, efx->net_dev,
- "PTP no suitable synchronisations %dns\n",
- ptp->base_sync_ns);
+ "PTP no suitable synchronisations\n");
return -EAGAIN;
}
- /* Average minimum this synchronisation */
- ptp->last_sync_ns = DIV_ROUND_UP(total, ngood);
- if (!ptp->base_sync_valid || (ptp->last_sync_ns < ptp->base_sync_ns)) {
- ptp->base_sync_valid = true;
- ptp->base_sync_ns = ptp->last_sync_ns;
- }
-
/* Calculate delay from actual PPS to last_time */
delta.tv_nsec =
ptp->timeset[last_good].nanoseconds +