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Date: Sun, 11 Jun 2017 15:42:49 +0300 From: <netanel@...zon.com> To: <davem@...emloft.net>, <netdev@...r.kernel.org> CC: Netanel Belgazal <netanel@...zon.com>, <dwmw@...zon.com>, <zorik@...zon.com>, <matua@...zon.com>, <saeedb@...zon.com>, <msw@...zon.com>, <aliguori@...zon.com>, <nafea@...zon.com>, <evgenys@...zon.com> Subject: [PATCH net 7/9] net: ena: disable admin msix while working in polling mode From: Netanel Belgazal <netanel@...zon.com> Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)") Signed-off-by: Netanel Belgazal <netanel@...zon.com> --- 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 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; } -- 2.7.4
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