diff options
| author | Yuval Mintz <yuvalmin@broadcom.com> | 2013-01-14 05:11:48 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-15 20:07:59 (GMT) |
| commit | ebe61d80b42662a1cf8d24e0b8605aa16fa6e4d0 (patch) | |
| tree | 02e0b1f887597b64d5e3a5abc6289b9196050f36 | |
| parent | 823e1d90797552687d2dfab2299464e5b663a8a9 (diff) | |
| download | linux-fsl-qoriq-ebe61d80b42662a1cf8d24e0b8605aa16fa6e4d0.tar.xz | |
bnx2x: Clean previous IGU status before ack
When enabling interrupts, acknowledge the interrupt only
after configuring the IGU to the correct interrupt mode
(otherwise it would dirty selftests)
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 17 |
2 files changed, 11 insertions, 7 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 5409b30..b180a03 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -1681,7 +1681,6 @@ static int bnx2x_setup_irqs(struct bnx2x *bp) if (rc) return rc; } else { - bnx2x_ack_int(bp); rc = bnx2x_req_irq(bp); if (rc) { BNX2X_ERR("IRQ request failed rc %d, aborting\n", rc); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index b483851..dce452d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -1539,26 +1539,31 @@ static void bnx2x_igu_int_enable(struct bnx2x *bp) if (msix) { val &= ~(IGU_PF_CONF_INT_LINE_EN | IGU_PF_CONF_SINGLE_ISR_EN); - val |= (IGU_PF_CONF_FUNC_EN | - IGU_PF_CONF_MSI_MSIX_EN | + val |= (IGU_PF_CONF_MSI_MSIX_EN | IGU_PF_CONF_ATTN_BIT_EN); if (single_msix) val |= IGU_PF_CONF_SINGLE_ISR_EN; } else if (msi) { val &= ~IGU_PF_CONF_INT_LINE_EN; - val |= (IGU_PF_CONF_FUNC_EN | - IGU_PF_CONF_MSI_MSIX_EN | + val |= (IGU_PF_CONF_MSI_MSIX_EN | IGU_PF_CONF_ATTN_BIT_EN | IGU_PF_CONF_SINGLE_ISR_EN); } else { val &= ~IGU_PF_CONF_MSI_MSIX_EN; - val |= (IGU_PF_CONF_FUNC_EN | - IGU_PF_CONF_INT_LINE_EN | + val |= (IGU_PF_CONF_INT_LINE_EN | IGU_PF_CONF_ATTN_BIT_EN | IGU_PF_CONF_SINGLE_ISR_EN); } + /* Clean previous status - need to configure igu prior to ack*/ + if ((!msix) || single_msix) { + REG_WR(bp, IGU_REG_PF_CONFIGURATION, val); + bnx2x_ack_int(bp); + } + + val |= IGU_PF_CONF_FUNC_EN; + DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n", val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx"))); |