From patchwork Wed Jul 18 06:31:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 945515 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=i2se.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41VnPp3drGz9s3R for ; Wed, 18 Jul 2018 16:32:30 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729706AbeGRHIj (ORCPT ); Wed, 18 Jul 2018 03:08:39 -0400 Received: from mout.kundenserver.de ([212.227.17.10]:54081 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726245AbeGRHIj (ORCPT ); Wed, 18 Jul 2018 03:08:39 -0400 Received: from stefan-Vostro-260.fritz.box ([109.104.32.110]) by mrelayeu.kundenserver.de (mreue102 [212.227.15.183]) with ESMTPSA (Nemesis) id 0LZvn3-1gKX8A3kGj-00lmcW; Wed, 18 Jul 2018 08:32:20 +0200 From: Stefan Wahren To: "David S. Miller" Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Stefan Wahren Subject: [PATCH 2/3] net: qca_spi: Make sure the QCA7000 reset is triggered Date: Wed, 18 Jul 2018 08:31:44 +0200 Message-Id: <1531895505-26971-3-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1531895505-26971-1-git-send-email-stefan.wahren@i2se.com> References: <1531895505-26971-1-git-send-email-stefan.wahren@i2se.com> X-Provags-ID: V03:K1:7pL8SFbjMtCO7yuXtKQfn6UAFngKV1aJcG+QD0iqhHEFj1Mp8xG 7/4QubX88LbwEDf5+G7iK9rfGicnWcDKdM8MhBGMHbc7wCvUYNCrWXTy9RRS1VNViLrFpmf g4kOtkCiH09zFtkF7uPas6xM18bDDHnQaphDEAP7rdpqH15QHF2tO254Cietb3znxWrBq2g rXUmyX0QDMiwVZyo6F3QQ== X-UI-Out-Filterresults: notjunk:1; V01:K0:KrCedn1C9Tw=:yVUMHUNW8eN+7WGnOoAo7A JALonmfNDfI+aa8ClNFEYXm+gzn2U099Gt9cLv4H30SPFML3Q6vI01in6hulbQV5RlIIYnK8U +oqHczkWJ1nSQ2Gj1rD85+VxTTFv4G17ZvncPQWNZNYbMKIfymbGC1ErFjKQqINWIafPxSEs9 exoBWV6EznIs/sXoldPTAuu2nL6j1y5eIprJ0hQ8DVKkDyGpj/O0HeG5LbS+yw6KPolPm37NF otemjviwSwt1v0oEzVlR9QjH/5PfEikBN+1j/0miKt34GMi9mpjcR3HRqrHa70oQIKU1NBwv5 zFrCHLH/yYCuCsndsDvmBC7RGBX/hPVbPUSn7mdzP08T41JT34eiKw6R95mISR8UOLIsl5dfv b3rNIYZfG0DPobawL8hQDtSCwlr1NJupA0u2uF9gTgrLmNo8zPRqZR+p0uJ/kDFgNPuofgjPX AWK7AVJbm0FufUMY3UNfT9w4B/BHKJpMm70azEe/KXrH7mACVammSgZNx9QOjBHoc3ORPsF8S buWKBPUdRzvUwpwx/GKy3Ot6THohCWDBn+iR2+XefZepxgL02FR68HBL0k/8uL2iOqOylt1Bv vNAWW5Q7xqUvO+8ljjf3CuIddtUaiJ8dEgjVsVUZ/Z5MqhSJp7IeM7IcopNm41OzZo1X6CWfN BXrTSm3wMlV14Lkya2jErGp7kzcn9xjw2SGOTzVPyKXjvucl3Qv0XRX/fEI9d9aVZzsU= Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org In case the SPI thread is not running, a simple reset of sync state won't fix the transmit timeout. We also need to wake up the kernel thread. Signed-off-by: Stefan Wahren Fixes: ed7d42e24eff ("net: qca_spi: fix transmit queue timeout handling") --- drivers/net/ethernet/qualcomm/qca_spi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index 7db149f..7fa815d 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -760,6 +760,9 @@ qcaspi_netdev_tx_timeout(struct net_device *dev) qca->net_dev->stats.tx_errors++; /* Trigger tx queue flush and QCA7000 reset */ qca->sync = QCASPI_SYNC_UNKNOWN; + + if (qca->spi_thread) + wake_up_process(qca->spi_thread); } static int