sfc: Add a function pointer to abstract write of host time into NIC shared memory
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index d33656b..21b1c2a 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -1117,6 +1117,7 @@
size_t *retlen, const u8 *buffer);
int (*mtd_sync)(struct mtd_info *mtd);
#endif
+ void (*ptp_write_host_time)(struct efx_nic *efx, u32 host_time);
int revision;
unsigned int txd_ptr_tbl_base;
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 4de2f8f..c60cabb 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -390,8 +390,7 @@
host_time = (now.ts_real.tv_sec << MC_NANOSECOND_BITS |
now.ts_real.tv_nsec);
/* Update host time in NIC memory */
- _efx_writed(efx, cpu_to_le32(host_time),
- FR_CZ_MC_TREG_SMEM + MC_SMEM_P0_PTP_TIME_OFST);
+ efx->type->ptp_write_host_time(efx, host_time);
}
*last_time = now;
}
diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c
index a51d90c..3c0a544 100644
--- a/drivers/net/ethernet/sfc/siena.c
+++ b/drivers/net/ethernet/sfc/siena.c
@@ -855,6 +855,19 @@
/**************************************************************************
*
+ * PTP
+ *
+ **************************************************************************
+ */
+
+static void siena_ptp_write_host_time(struct efx_nic *efx, u32 host_time)
+{
+ _efx_writed(efx, cpu_to_le32(host_time),
+ FR_CZ_MC_TREG_SMEM + MC_SMEM_P0_PTP_TIME_OFST);
+}
+
+/**************************************************************************
+ *
* Revision-dependent attributes used by efx.c and nic.c
*
**************************************************************************
@@ -943,6 +956,7 @@
.mtd_write = efx_mcdi_mtd_write,
.mtd_sync = efx_mcdi_mtd_sync,
#endif
+ .ptp_write_host_time = siena_ptp_write_host_time,
.revision = EFX_REV_SIENA_A0,
.txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,