diff options
| author |   Netanel Belgazal <netanel@amazon.com> | 2017-06-11 15:42:49 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-06-11 16:36:47 -0400 |
| commit | a2cc5198dac102775b21787752a2e0afe44ad311 (patch) | |
| tree | fcdf7ed49ef5120cc90341bb4a8605e98b50a5f7 /drivers | |
| parent | net: ena: fix theoretical Rx hang on low memory systems (diff) | |
| download | linux-dev-a2cc5198dac102775b21787752a2e0afe44ad311.tar.xz linux-dev-a2cc5198dac102775b21787752a2e0afe44ad311.zip | |
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.c | 8 |
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; } |