[PATCH net-next 02/12] qlcnic: Disable INT-x interrupt for 83xx on driver unload
From: Shahed Shaikh <hidden>
Date: 2013-05-24 07:29:47
Subsystem:
networking drivers, qlogic qlcnic (1/10)gb ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Shahed Shaikh, Manish Chopra, Linus Torvalds
From: Himanshu Madhani <redacted> o Set HW mask for 8300 Series adapter, in INT-x mode, to stop generating interrupt during driver unload. Signed-off-by: Himanshu Madhani <redacted> Signed-off-by: Shahed Shaikh <redacted> --- .../net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index b4ff1e3..9b91d6a 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c@@ -312,6 +312,11 @@ inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter) writel(0, adapter->tgt_mask_reg); } +inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter) +{ + writel(1, adapter->tgt_mask_reg); +} + /* Enable MSI-x and INT-x interrupts */ void qlcnic_83xx_enable_intr(struct qlcnic_adapter *adapter, struct qlcnic_host_sds_ring *sds_ring)
@@ -458,6 +463,9 @@ void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter) { u32 num_msix; + if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) + qlcnic_83xx_set_legacy_intr_mask(adapter); + qlcnic_83xx_disable_mbx_intr(adapter); if (adapter->flags & QLCNIC_MSIX_ENABLED)
--
1.5.6