diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2009-11-29 03:42:03 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-29 16:46:25 -0800 |
| commit | 39e60212087a36a53daca3904563012ccaf6e92d (patch) | |
| tree | 563aa14ce6a8b151c3e424fa1d2beab30171cb5c /drivers | |
| parent | 3291b9db567e1ec38362024049cbd02987b1e277 (diff) | |
| download | linux-3.10-39e60212087a36a53daca3904563012ccaf6e92d.tar.gz linux-3.10-39e60212087a36a53daca3904563012ccaf6e92d.tar.bz2 linux-3.10-39e60212087a36a53daca3904563012ccaf6e92d.zip | |
sfc: Remove redundant writes to INT_ADR_KER
This register only needs to be written after reset, not each time we
enable interrupts.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/sfc/falcon.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 2f219ce6139..b7e9238aaec 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -1290,19 +1290,11 @@ static inline void falcon_interrupts(struct efx_nic *efx, int enabled, void falcon_enable_interrupts(struct efx_nic *efx) { - efx_oword_t int_adr_reg_ker; struct efx_channel *channel; EFX_ZERO_OWORD(*((efx_oword_t *) efx->irq_status.addr)); wmb(); /* Ensure interrupt vector is clear before interrupts enabled */ - /* Program address */ - EFX_POPULATE_OWORD_2(int_adr_reg_ker, - FRF_AZ_NORM_INT_VEC_DIS_KER, - EFX_INT_MODE_USE_MSI(efx), - FRF_AZ_INT_ADR_KER, efx->irq_status.dma_addr); - efx_writeo(efx, &int_adr_reg_ker, FR_AZ_INT_ADR_KER); - /* Enable interrupts */ falcon_interrupts(efx, 1, 0); @@ -3061,6 +3053,13 @@ int falcon_init_nic(struct efx_nic *efx) EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_PF_LWM, RX_DC_ENTRIES - 8); efx_writeo(efx, &temp, FR_AZ_RX_DC_PF_WM); + /* Program INT_KER address */ + EFX_POPULATE_OWORD_2(temp, + FRF_AZ_NORM_INT_VEC_DIS_KER, + EFX_INT_MODE_USE_MSI(efx), + FRF_AZ_INT_ADR_KER, efx->irq_status.dma_addr); + efx_writeo(efx, &temp, FR_AZ_INT_ADR_KER); + /* Clear the parity enables on the TX data fifos as * they produce false parity errors because of timing issues */ |