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[net-2.6,2/9] sfc: Ignore parity errors in the other port's SRAM

Message ID 1272061459.5520.15.camel@achroite.uk.solarflarecom.com
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Ben Hutchings April 23, 2010, 10:24 p.m. UTC 
From: Steve Hodgson <shodgson@solarflare.com>

Siena has a separate SRAM bank for each port.  On single-port boards
these can be merged together, so each port has an interrupt flag for
parity errors in the other port's SRAM.  Currently we do not enable
such merging and should mask this interrupt source.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
---
 drivers/net/sfc/nic.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
index b06f8e3..664fd6c 100644
--- a/drivers/net/sfc/nic.c
+++ b/drivers/net/sfc/nic.c
@@ -1563,6 +1563,8 @@  void efx_nic_init_common(struct efx_nic *efx)
 			     FRF_AZ_ILL_ADR_INT_KER_EN, 1,
 			     FRF_AZ_RBUF_OWN_INT_KER_EN, 1,
 			     FRF_AZ_TBUF_OWN_INT_KER_EN, 1);
+	if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
+		EFX_SET_OWORD_FIELD(temp, FRF_CZ_SRAM_PERR_INT_P_KER_EN, 1);
 	EFX_INVERT_OWORD(temp);
 	efx_writeo(efx, &temp, FR_AZ_FATAL_INTR_KER);