From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 498EEC433E6 for ; Thu, 11 Mar 2021 18:22:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0384864FD4 for ; Thu, 11 Mar 2021 18:22:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229553AbhCKSWK (ORCPT ); Thu, 11 Mar 2021 13:22:10 -0500 Received: from forward1-smtp.messagingengine.com ([66.111.4.223]:40713 "EHLO forward1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229483AbhCKSUp (ORCPT ); Thu, 11 Mar 2021 13:20:45 -0500 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailforward.nyi.internal (Postfix) with ESMTP id 105901941930; Thu, 11 Mar 2021 13:20:45 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Thu, 11 Mar 2021 13:20:45 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=Tr/i9F OX74cVoV5gemcyG70Q8R987UffrM7rYj7joDQ=; b=Q1pwAnkV9kZ0ZwtT5pE686 aUeXoXHSfROoh4NXu/H8lS6QaF6M0nnRwSEfZwOCopH7OD9X0Ph/jBvyIh2h/Vib CcE3qiSnEpws9W/ErxG0uZi4xh00jTCNIm5fsSaR3nGPSAVKQjNfWfag4kIgteOm jrsgzfmcSdYzDhkXtBYcrCGd51POIxXErrsy3w/nUpOQClK5+6hr750rgSNAzn7x FkWnWFYm+tripRCUo86ueq7wqn+bYXy3t/YGMXAhjQljya53OwHS4Ej9EndmIOFR pwhMj+yIrso1l3YUc3GiTOcy9vSulk1L71Ajg8KPG5VthDpqOCMj8WXO9mC3aUqA == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledruddvtddgudduudcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecunecujfgurhepuffvhfffkfggtgfgsehtkeertd dttdflnecuhfhrohhmpeeoghhrvghgkhhhsehlihhnuhigfhhouhhnuggrthhiohhnrdho rhhgqeenucggtffrrghtthgvrhhnpeelleelvdegfeelledtteegudegfffghfduffduud ekgeefleegieegkeejhfelveenucffohhmrghinhepkhgvrhhnvghlrdhorhhgnecukfhp peekfedrkeeirdejgedrieegnecuvehluhhsthgvrhfuihiivgepudenucfrrghrrghmpe hmrghilhhfrhhomhepghhrvghgsehkrhhorghhrdgtohhm X-ME-Proxy: Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) by mail.messagingengine.com (Postfix) with ESMTPA id BACB8240057; Thu, 11 Mar 2021 13:20:43 -0500 (EST) Subject: FAILED: patch "[PATCH] can: flexcan: invoke flexcan_chip_freeze() to enter freeze" failed to apply to 4.4-stable tree To: qiangqing.zhang@nxp.com, mkl@pengutronix.de Cc: From: Date: Thu, 11 Mar 2021 19:20:31 +0100 Message-ID: <161548683116553@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 4.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From c63820045e2000f05657467a08715c18c9f490d9 Mon Sep 17 00:00:00 2001 From: Joakim Zhang Date: Thu, 18 Feb 2021 19:00:37 +0800 Subject: [PATCH] can: flexcan: invoke flexcan_chip_freeze() to enter freeze mode Invoke flexcan_chip_freeze() to enter freeze mode, since need poll freeze mode acknowledge. Fixes: e955cead03117 ("CAN: Add Flexcan CAN controller driver") Link: https://lore.kernel.org/r/20210218110037.16591-4-qiangqing.zhang@nxp.com Signed-off-by: Joakim Zhang Signed-off-by: Marc Kleine-Budde diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index e66a51dbea0a..134c05757a3b 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -1480,10 +1480,13 @@ static int flexcan_chip_start(struct net_device *dev) flexcan_set_bittiming(dev); + /* set freeze, halt */ + err = flexcan_chip_freeze(priv); + if (err) + goto out_chip_disable; + /* MCR * - * enable freeze - * halt now * only supervisor access * enable warning int * enable individual RX masking @@ -1492,9 +1495,8 @@ static int flexcan_chip_start(struct net_device *dev) */ reg_mcr = priv->read(®s->mcr); reg_mcr &= ~FLEXCAN_MCR_MAXMB(0xff); - reg_mcr |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT | FLEXCAN_MCR_SUPV | - FLEXCAN_MCR_WRN_EN | FLEXCAN_MCR_IRMQ | FLEXCAN_MCR_IDAM_C | - FLEXCAN_MCR_MAXMB(priv->tx_mb_idx); + reg_mcr |= FLEXCAN_MCR_SUPV | FLEXCAN_MCR_WRN_EN | FLEXCAN_MCR_IRMQ | + FLEXCAN_MCR_IDAM_C | FLEXCAN_MCR_MAXMB(priv->tx_mb_idx); /* MCR *