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Commit 977a5d5d authored by Laurence Evans's avatar Laurence Evans Committed by Ben Hutchings
Browse files

sfc: Add a function pointer to abstract write of host time into NIC shared memory 



Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
parent c1d828bd

drivers/net/ethernet/sfc/net_driver.h

+1 −0
Original line number Diff line number Diff line
@@ -1117,6 +1117,7 @@ struct efx_nic_type { 
			 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;

drivers/net/ethernet/sfc/ptp.c

+1 −2
Original line number Diff line number Diff line
@@ -390,8 +390,7 @@ static void efx_ptp_send_times(struct efx_nic *efx, 
		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;

}

drivers/net/ethernet/sfc/siena.c

+14 −0
Original line number Diff line number Diff line
@@ -853,6 +853,19 @@ static int siena_mtd_probe(struct efx_nic *efx) 


#endif /* CONFIG_SFC_MTD */



/**************************************************************************

 *

 * 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 @@ const struct efx_nic_type siena_a0_nic_type = { 
	.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,