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authorNetanel Belgazal <netanel@amazon.com>2017-06-11 15:42:49 +0300
committerDavid S. Miller <davem@davemloft.net>2017-06-11 16:36:47 -0400
commita2cc5198dac102775b21787752a2e0afe44ad311 (patch)
treefcdf7ed49ef5120cc90341bb4a8605e98b50a5f7 /drivers
parenta3af7c18cfe545a711e5df7491b7d6df71eba2ff (diff)
net: ena: disable admin msix while working in polling mode
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)") Signed-off-by: Netanel Belgazal <netanel@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_com.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index ea60b9e67acb..f5b237e0bd60 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;
}