diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2009-10-23 08:32:13 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-24 04:27:15 -0700 |
| commit | 0d86ebd815416efb4e95ca70c3b8e65b476c5f9f (patch) | |
| tree | d6ed53cfda8b1968119ea3ddf2a0b24e18211cfb /drivers/net/sfc/falcon.c | |
| parent | 0484e0db7c4293d6202cff730ee359d8a7a6b085 (diff) | |
| download | op-kernel-dev-0d86ebd815416efb4e95ca70c3b8e65b476c5f9f.zip op-kernel-dev-0d86ebd815416efb4e95ca70c3b8e65b476c5f9f.tar.gz | |
sfc: Maintain interrupt moderation values in ticks, not microseconds
This simplifies the implementation a lot.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc/falcon.c')
| -rw-r--r-- | drivers/net/sfc/falcon.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 1582df7..e3c33fa 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -1063,20 +1063,11 @@ void falcon_set_int_moderation(struct efx_channel *channel) /* Set timer register */ if (channel->irq_moderation) { - /* Round to resolution supported by hardware. The value we - * program is based at 0. So actual interrupt moderation - * achieved is ((x + 1) * res). - */ - channel->irq_moderation -= (channel->irq_moderation % - FALCON_IRQ_MOD_RESOLUTION); - if (channel->irq_moderation < FALCON_IRQ_MOD_RESOLUTION) - channel->irq_moderation = FALCON_IRQ_MOD_RESOLUTION; EFX_POPULATE_DWORD_2(timer_cmd, FRF_AB_TC_TIMER_MODE, FFE_BB_TIMER_MODE_INT_HLDOFF, FRF_AB_TC_TIMER_VAL, - channel->irq_moderation / - FALCON_IRQ_MOD_RESOLUTION - 1); + channel->irq_moderation - 1); } else { EFX_POPULATE_DWORD_2(timer_cmd, FRF_AB_TC_TIMER_MODE, |
