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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 230F4CCA479 for ; Thu, 2 Jun 2022 06:31:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231205AbiFBGa5 (ORCPT ); Thu, 2 Jun 2022 02:30:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231158AbiFBGa5 (ORCPT ); Thu, 2 Jun 2022 02:30:57 -0400 Received: from mail-lf1-x12a.google.com (mail-lf1-x12a.google.com [IPv6:2a00:1450:4864:20::12a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4847A2148BB for ; Wed, 1 Jun 2022 23:30:56 -0700 (PDT) Received: by mail-lf1-x12a.google.com with SMTP id u26so5554962lfd.8 for ; Wed, 01 Jun 2022 23:30:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kvaser.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=8XhPz4Gv8/7ZV3KWTFvJSchbAkVHeSex6vxp1lgplOo=; b=HOt6+Uotnncc9T0QSvHgCEbCbhssg1CaKBumD9mYYHZL+mz5bsWF8XJy6xzLKqkA7a n27hzCuCY+9V0FwHT2HCvQ2RFjJvQS7ySm16hqYrDx+aoFlmoWLvx3DgraVJYlnSkccz T/FCN41NlByG0+U3co+P1U9B8aTOTqYgH82Vg9W7hi6dl/mkEImRgUE1HX5W8V1wGRvv wIH28h3DdlS/wOHlAP9c/PfpYTlEywlWFpihNFBS04BA6Hk6l53OJRYzjjZs8zN3C8zp nQlOKTAdtF/j5uawKTsaFx1aOMWVAT/jAdno7DDPhEzG8YDfAf8lW7qq3urQdR0RwfUh OWsw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=8XhPz4Gv8/7ZV3KWTFvJSchbAkVHeSex6vxp1lgplOo=; b=dZc71CRjrjbolBCWnpbu14m01fB+V6fuP15gpvOqFrdpqbHGmsSywMOxNCVzngFLfa d+yMtsrkYDyeQuRq2meUHujeJJeUslPzoJ3n/cgCtQMZxJcZXpGCaSIJV5Eu3Q8sHPR7 apm0CFoUesySboc5ZVNaYeqCenzAC1GjvZsMxkm2vd1bBpiqj+n9kvoJltwT7zfGu00j Uik4Kr84BBlKq4jhYkOCm5vWtphqg7DwEdLOQ4m/OjuKp3/g+//RjVlKlB6fE28yF2c4 sOE29wfCSg70Age+LpRjWTGeOHA9Kuc0mM8RYcEddvKaCdJLymTcHFeU4N5ex1uzXDqL EV2g== X-Gm-Message-State: AOAM532vYc4jbrMu6OZrtP4jJ8R1Jn80QfTzRSQh5+CsjwHp1iE9lagq aKnwrS3OAMZaX2j30ozwq636zXgNPAO3GqhD X-Google-Smtp-Source: ABdhPJysyYhq/AcfF04u5vcQTLs7TeevbRVWn2+ZO6iGno2b2N9G0AfqaoBmG3LkqfHrriruNLDmkg== X-Received: by 2002:a05:6512:31cd:b0:478:7532:3f42 with SMTP id j13-20020a05651231cd00b0047875323f42mr36451981lfe.627.1654151454651; Wed, 01 Jun 2022 23:30:54 -0700 (PDT) Received: from freke.kvaser.se (rota.kvaser.com. [195.22.86.90]) by smtp.gmail.com with ESMTPSA id m16-20020a056512115000b00478f2f2f044sm842476lfg.123.2022.06.01.23.30.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Jun 2022 23:30:53 -0700 (PDT) From: Jimmy Assarsson To: linux-can@vger.kernel.org, Marc Kleine-Budde Cc: Jimmy Assarsson , stable@vger.kernel.org, Jimmy Assarsson Subject: [PATCH 0/2] can: kvaser_usb: CAN clock frequency regression Date: Thu, 2 Jun 2022 08:30:29 +0200 Message-Id: <20220602063031.415858-1-extja@kvaser.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-can@vger.kernel.org When fixing the CAN clock frequency, fb12797ab1fe ("can: kvaser_usb: get CAN clock frequency from device"), I introduced a regression. For Leaf devices based on M32C, the firmware expects bittiming parameters calculated for 16MHz clock. Regardless of the actual clock frequency. This regression affects M32C based Leaf devices with non-16MHz clock. Also correct the bittiming constants in kvaser_usb_leaf.c, where the limits are different depending on which firmware/device being used. Once merged to mainline, I'll backport these fixes for the stable kernels. Jimmy Assarsson (2): can: kvaser_usb: kvaser_usb_leaf: Fix CAN clock frequency regression can: kvaser_usb: kvaser_usb_leaf: Fix bittiming limits drivers/net/can/usb/kvaser_usb/kvaser_usb.h | 17 ++++ .../net/can/usb/kvaser_usb/kvaser_usb_core.c | 20 +++- .../net/can/usb/kvaser_usb/kvaser_usb_hydra.c | 14 +-- .../net/can/usb/kvaser_usb/kvaser_usb_leaf.c | 95 +++++++++++-------- 4 files changed, 89 insertions(+), 57 deletions(-) -- 2.36.1