diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2012-09-14 17:30:10 +0100 |
|---|---|---|
| committer | Ben Hutchings <bhutchings@solarflare.com> | 2013-08-21 16:35:21 +0100 |
| commit | 59cfc479b2c8ba344c8497d5c913b6cba2ce3755 (patch) | |
| tree | 77ed4c951751fee608d73ef9d0c081199ba77372 /drivers/net/ethernet/sfc/ptp.c | |
| parent | ab0115fc7dc429300fc6b728ab04ee832fbb945d (diff) | |
| download | linux-59cfc479b2c8ba344c8497d5c913b6cba2ce3755.tar.bz2 | |
sfc: Introduce and use MCDI_DECLARE_BUF macro
MCDI_DECLARE_BUF declares a variable as an MCDI buffer of the
requested length, adding any necessary padding.
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.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index b495394a6dfa..f79f6fb579a1 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -311,7 +311,7 @@ static int efx_phc_enable(struct ptp_clock_info *ptp, /* Enable MCDI PTP support. */ static int efx_ptp_enable(struct efx_nic *efx) { - u8 inbuf[MC_CMD_PTP_IN_ENABLE_LEN]; + MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_ENABLE_LEN); MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_ENABLE); MCDI_SET_DWORD(inbuf, PTP_IN_ENABLE_QUEUE, @@ -329,7 +329,7 @@ static int efx_ptp_enable(struct efx_nic *efx) */ static int efx_ptp_disable(struct efx_nic *efx) { - u8 inbuf[MC_CMD_PTP_IN_DISABLE_LEN]; + MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_DISABLE_LEN); MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_DISABLE); return efx_mcdi_rpc(efx, MC_CMD_PTP, inbuf, sizeof(inbuf), @@ -518,7 +518,7 @@ static int efx_ptp_process_times(struct efx_nic *efx, u8 *synch_buf, static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings) { struct efx_ptp_data *ptp = efx->ptp_data; - u8 synch_buf[MC_CMD_PTP_OUT_SYNCHRONIZE_LENMAX]; + MCDI_DECLARE_BUF(synch_buf, MC_CMD_PTP_OUT_SYNCHRONIZE_LENMAX); size_t response_length; int rc; unsigned long timeout; @@ -569,7 +569,7 @@ static int efx_ptp_xmit_skb(struct efx_nic *efx, struct sk_buff *skb) int rc = -EIO; /* MCDI driver requires word aligned lengths */ size_t len = ALIGN(MC_CMD_PTP_IN_TRANSMIT_LEN(skb->len), 4); - u8 txtime[MC_CMD_PTP_OUT_TRANSMIT_LEN]; + MCDI_DECLARE_BUF(txtime, MC_CMD_PTP_OUT_TRANSMIT_LEN); MCDI_SET_DWORD(txbuf, PTP_IN_OP, MC_CMD_PTP_OP_TRANSMIT); MCDI_SET_DWORD(txbuf, PTP_IN_TRANSMIT_LENGTH, skb->len); @@ -1359,7 +1359,7 @@ static int efx_phc_adjfreq(struct ptp_clock_info *ptp, s32 delta) struct efx_ptp_data, phc_clock_info); struct efx_nic *efx = ptp_data->channel->efx; - u8 inadj[MC_CMD_PTP_IN_ADJUST_LEN]; + MCDI_DECLARE_BUF(inadj, MC_CMD_PTP_IN_ADJUST_LEN); s64 adjustment_ns; int rc; @@ -1394,7 +1394,7 @@ static int efx_phc_adjtime(struct ptp_clock_info *ptp, s64 delta) phc_clock_info); struct efx_nic *efx = ptp_data->channel->efx; struct timespec delta_ts = ns_to_timespec(delta); - u8 inbuf[MC_CMD_PTP_IN_ADJUST_LEN]; + MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_ADJUST_LEN); MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_ADJUST); MCDI_SET_DWORD(inbuf, PTP_IN_ADJUST_FREQ_LO, 0); @@ -1411,8 +1411,8 @@ static int efx_phc_gettime(struct ptp_clock_info *ptp, struct timespec *ts) struct efx_ptp_data, phc_clock_info); struct efx_nic *efx = ptp_data->channel->efx; - u8 inbuf[MC_CMD_PTP_IN_READ_NIC_TIME_LEN]; - u8 outbuf[MC_CMD_PTP_OUT_READ_NIC_TIME_LEN]; + MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_READ_NIC_TIME_LEN); + MCDI_DECLARE_BUF(outbuf, MC_CMD_PTP_OUT_READ_NIC_TIME_LEN); int rc; MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_READ_NIC_TIME); |