From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Netanel Belgazal , "David S . Miller" , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 036/293] net: ena: disable admin msix while working in polling mode Date: Mon, 9 Apr 2018 00:23:18 +0000 Message-ID: <20180409002239.163177-36-alexander.levin@microsoft.com> References: <20180409002239.163177-1-alexander.levin@microsoft.com> In-Reply-To: <20180409002239.163177-1-alexander.levin@microsoft.com> Content-Language: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: From: Netanel Belgazal [ Upstream commit a2cc5198dac102775b21787752a2e0afe44ad311 ] Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA= )") Signed-off-by: Netanel Belgazal Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- 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/ethern= et/amazon/ena/ena_com.c index f4c107b66af4..e13c9cd45dc0 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_com.c @@ -61,6 +61,8 @@ =20 #define ENA_MMIO_READ_TIMEOUT 0xFFFFFFFF =20 +#define ENA_REGS_ADMIN_INTR_MASK 1 + /*************************************************************************= ****/ /*************************************************************************= ****/ /*************************************************************************= ****/ @@ -1448,6 +1450,12 @@ void ena_com_admin_destroy(struct ena_com_dev *ena_d= ev) =20 void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool poll= ing) { + u32 mask_value =3D 0; + + if (polling) + mask_value =3D ENA_REGS_ADMIN_INTR_MASK; + + writel(mask_value, ena_dev->reg_bar + ENA_REGS_INTR_MASK_OFF); ena_dev->admin_queue.polling =3D polling; } =20 --=20 2.15.1