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net: ena: disable admin msix while working in polling mode

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[ Upstream commit a2cc5198dac102775b21787752a2e0afe44ad311 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Netanel Belgazal 2017-06-11 15:42:49 +03:00 committed by Greg Kroah-Hartman
parent ff5b272d68
commit 70accaaca8
1 changed files with 8 additions and 0 deletions
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8
drivers/net/ethernet/amazon/ena/ena_com.c
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@ -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_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;
}