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authorBen Hutchings <bhutchings@solarflare.com>2009-11-29 03:42:03 +0000
committerDavid S. Miller <davem@davemloft.net>2009-11-29 16:46:25 -0800
commit39e60212087a36a53daca3904563012ccaf6e92d (patch)
tree563aa14ce6a8b151c3e424fa1d2beab30171cb5c /drivers/net/sfc/falcon.c
parent3291b9db567e1ec38362024049cbd02987b1e277 (diff)
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/net/sfc/falcon.c')
-rw-r--r--drivers/net/sfc/falcon.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 2f219ce61392..b7e9238aaec4 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
*/