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>
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 2f219ce..b7e9238 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1290,19 +1290,11 @@
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 @@
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
*/