Thread (20 messages) 20 messages, 2 authors, 2017-06-09

[PATCH net-next 7/8] net: ena: disable admin msix while working in polling mode

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STALE3424d

From: <hidden>
Date: 2017-06-08 21:48:32
Subsystem: amazon ethernet drivers, networking drivers, the rest · Maintainers: Arthur Kiyanovski, David Arinzon, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Revision v1 of 4 in this series.

Revisions (4)
  1. v1 current
  2. v1
  3. v1
  4. v1
From: Netanel Belgazal <redacted>

Signed-off-by: Netanel Belgazal <redacted>
---
 drivers/net/ethernet/amazon/ena/ena_com.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index ea60b9e..f5b237e 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -61,6 +61,8 @@
 
 #define ENA_MMIO_READ_TIMEOUT 0xFFFFFFFF
 
+#define ENA_REGS_ADMIN_INTR_MASK 1
+
 /*****************************************************************************/
 /*****************************************************************************/
 /*****************************************************************************/
@@ -1454,6 +1456,12 @@ void ena_com_admin_destroy(struct ena_com_dev *ena_dev)
 
 void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling)
 {
+	u32 mask_value = 0;
+
+	if (polling)
+		mask_value = ENA_REGS_ADMIN_INTR_MASK;
+
+	writel(mask_value, ena_dev->reg_bar + ENA_REGS_INTR_MASK_OFF);
 	ena_dev->admin_queue.polling = polling;
 }
 
-- 
2.7.4
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