4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Netanel Belgazal <netanel@xxxxxxxxxx> [ Upstream commit a2cc5198dac102775b21787752a2e0afe44ad311 ] Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)") Signed-off-by: Netanel Belgazal <netanel@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/amazon/ena/ena_com.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- 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 + /*****************************************************************************/ /*****************************************************************************/ /*****************************************************************************/ @@ -1448,6 +1450,12 @@ void ena_com_admin_destroy(struct ena_co 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; }