Commit 39e60212 authored by Ben Hutchings's avatar Ben Hutchings Committed by David S. Miller
Browse files

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: default avatarBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3291b9db

drivers/net/sfc/falcon.c

+7 −8
Original line number Diff line number Diff line
@@ -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

	 */