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authorBen Hutchings <bhutchings@solarflare.com>2012-12-15 01:52:56 +0400
committerBen Hutchings <bhutchings@solarflare.com>2013-08-28 01:25:29 +0400
commite51361249b84de8c2e5dc505bfd91e9ccb07bf0d (patch)
tree7dba6609b51ca9561d2c95655cbd951d67f372ce /drivers/net/ethernet/sfc/falcon.c
parent45a3fd55acc8989ff93d469e57b123cd3702a948 (diff)
downloadlinux-e51361249b84de8c2e5dc505bfd91e9ccb07bf0d.tar.xz
sfc: Remove more left-overs from Falcon GMAC support
We only ever used the XMAC (10G link speed) in production. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/ethernet/sfc/falcon.c')
-rw-r--r--drivers/net/ethernet/sfc/falcon.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/net/ethernet/sfc/falcon.c b/drivers/net/ethernet/sfc/falcon.c
index 3c99b6c2d531..76a9e0dd2308 100644
--- a/drivers/net/ethernet/sfc/falcon.c
+++ b/drivers/net/ethernet/sfc/falcon.c
@@ -131,8 +131,8 @@
#define XgDmaDone_offset 0xD4
#define XgDmaDone_WIDTH 32
-#define FALCON_STATS_NOT_DONE 0x00000000
-#define FALCON_STATS_DONE 0xffffffff
+#define FALCON_XMAC_STATS_DMA_FLAG(efx) \
+ (*(u32 *)((efx)->stats_buffer.addr + XgDmaDone_offset))
#define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)
#define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)
@@ -1398,10 +1398,7 @@ static void falcon_stats_request(struct efx_nic *efx)
WARN_ON(nic_data->stats_pending);
WARN_ON(nic_data->stats_disable_count);
- if (nic_data->stats_dma_done == NULL)
- return; /* no mac selected */
-
- *nic_data->stats_dma_done = FALCON_STATS_NOT_DONE;
+ FALCON_XMAC_STATS_DMA_FLAG(efx) = 0;
nic_data->stats_pending = true;
wmb(); /* ensure done flag is clear */
@@ -1423,7 +1420,7 @@ static void falcon_stats_complete(struct efx_nic *efx)
return;
nic_data->stats_pending = false;
- if (*nic_data->stats_dma_done == FALCON_STATS_DONE) {
+ if (FALCON_XMAC_STATS_DMA_FLAG(efx)) {
rmb(); /* read the done flag before the stats */
falcon_update_stats_xmac(efx);
} else {
@@ -1706,7 +1703,6 @@ static int falcon_probe_port(struct efx_nic *efx)
(u64)efx->stats_buffer.dma_addr,
efx->stats_buffer.addr,
(u64)virt_to_phys(efx->stats_buffer.addr));
- nic_data->stats_dma_done = efx->stats_buffer.addr + XgDmaDone_offset;
return 0;
}
@@ -2554,8 +2550,7 @@ static void falcon_update_nic_stats(struct efx_nic *efx)
efx->n_rx_nodesc_drop_cnt +=
EFX_OWORD_FIELD(cnt, FRF_AB_RX_NODESC_DROP_CNT);
- if (nic_data->stats_pending &&
- *nic_data->stats_dma_done == FALCON_STATS_DONE) {
+ if (nic_data->stats_pending && FALCON_XMAC_STATS_DMA_FLAG(efx)) {
nic_data->stats_pending = false;
rmb(); /* read the done flag before the stats */
falcon_update_stats_xmac(efx);
@@ -2588,7 +2583,7 @@ void falcon_stop_nic_stats(struct efx_nic *efx)
/* Wait enough time for the most recent transfer to
* complete. */
for (i = 0; i < 4 && nic_data->stats_pending; i++) {
- if (*nic_data->stats_dma_done == FALCON_STATS_DONE)
+ if (FALCON_XMAC_STATS_DMA_FLAG(efx))
break;
msleep(1);
}