From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4+uLuSdcaad6UmArBv1ZLHsSbDEW97ULkUS8MYu1HPhb+f1cUAq7hFBOOYqnzElFg+OO2i/ ARC-Seal: i=1; a=rsa-sha256; t=1523473434; cv=none; d=google.com; s=arc-20160816; b=L4ncOlcYThJ1OhAUYWoqqB3r3a7UED+NZ72EwaCTVw8R/Hh+jR/RySA4yrRFXlq1k+ X3c1AiBTxLjMUZvOCY/K94bGZ9qie2ggMjSx+f0fi1v8bnAH5elFog3/WXdVJUAIlPH/ xa7XFQRlSZIsyY1H+fmDUzug31h8b3gFK6vOfJs9YapZiXvMJlt5wyV2p4lWjgWovY3R hcG4LInii6rnhCFO7Ymgk/HLhHjutUSaIwFcJdlp50Wxy655vi2nbGY3/qppMvyAoRHg FI7CoTbak7KxKO8vfguxDmX9B2EGFbzgl0eynUK6UvpdDgD5zlZ1O7OAvs9y7HedD8da Yx6A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=F8dRcSyl2iViwoji/lQ11J76r+DN3REq/Zv8xvT3Dss=; b=Sfo4w8txYeHDKEp+amFI7+4EdTtpYm1XKVq46R4zrdBqvJhp7ia4uTxGhc2EiujJl8 2uLW56PVwm07wK1sUHd0wRAZ4jlor5R46KOvQhNlTT7Ks9Z7XehCZfUe5UVMNqSp3u2u hkEbl7ZG1+1Ga+eAkktFwBbX5VkCrMb7eak+SMOzn9/YEr6OHfIUGuyYvJJYFuUvgFus Ny1RVrrC+46bhOk78lV4MIkmqtASa3CJ3ujnjb9H+7iMNCiKgz2zpfpQuw9dhBLj1dWp SHsEihMRCbt9wC/FQacCm5Ehy3cSLojb9QfXrKSU758q4Q2JECRBLXwAnmMjH0A7k1io eIsg== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Netanel Belgazal , "David S. Miller" , Sasha Levin Subject: [PATCH 4.9 245/310] net: ena: disable admin msix while working in polling mode Date: Wed, 11 Apr 2018 20:36:24 +0200 Message-Id: <20180411183633.008586271@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180411183622.305902791@linuxfoundation.org> References: <20180411183622.305902791@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1597477679927159344?= X-GMAIL-MSGID: =?utf-8?q?1597477679927159344?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ 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 Signed-off-by: Greg Kroah-Hartman --- 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; }