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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 5BA8CC4338F for ; Tue, 17 Aug 2021 05:09:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 380EB60F58 for ; Tue, 17 Aug 2021 05:09:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234165AbhHQFJc (ORCPT ); Tue, 17 Aug 2021 01:09:32 -0400 Received: from h4.fbrelay.privateemail.com ([131.153.2.45]:54562 "EHLO h4.fbrelay.privateemail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230272AbhHQFJc (ORCPT ); Tue, 17 Aug 2021 01:09:32 -0400 Received: from MTA-13-3.privateemail.com (mta-13-1.privateemail.com [198.54.122.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by h3.fbrelay.privateemail.com (Postfix) with ESMTPS id C91EB80981 for ; Tue, 17 Aug 2021 01:08:58 -0400 (EDT) Received: from mta-13.privateemail.com (localhost [127.0.0.1]) by mta-13.privateemail.com (Postfix) with ESMTP id 906CD18000AF; Tue, 17 Aug 2021 01:08:57 -0400 (EDT) Received: from localhost.localdomain (unknown [10.20.151.223]) by mta-13.privateemail.com (Postfix) with ESMTPA id 2DD3118000AD; Tue, 17 Aug 2021 01:08:57 -0400 (EDT) From: Matt Kline To: Wolfgang Grandegger , Marc Kleine-Budde Cc: Matt Kline , linux-can@vger.kernel.org Subject: [PATCH v3 0/3] can: m_can: Merge FIFO ops to increase throughput Date: Mon, 16 Aug 2021 22:08:50 -0700 Message-Id: <20210817050853.14875-1-matt@bitbashing.io> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-can@vger.kernel.org As requested, I've propagated FIFO errors up to the m_can driver - on failure we now log the error and disable interrupts, similar to https://elixir.bootlin.com/linux/v5.13/source/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c#L2298 I've also folded the ID and DLC fields into a struct (as suggested) so that we don't need to copy them to and from arrays for the FIFO transfers. Following-up on https://lore.kernel.org/linux-can/20210811063520.aw6hkll2kax22ytr@pengutronix.de/T/#u Sorry for the slight delay - last week was busy! Matt Kline (3): can: m_can: Disable IRQs on FIFO bus errors can: m_can: Batch FIFO reads during CAN receive can: m_can: Batch FIFO writes during CAN transmit drivers/net/can/m_can/m_can.c | 221 ++++++++++++++++--------- drivers/net/can/m_can/m_can.h | 6 +- drivers/net/can/m_can/m_can_pci.c | 11 +- drivers/net/can/m_can/m_can_platform.c | 15 +- drivers/net/can/m_can/tcan4x5x-core.c | 16 +- 5 files changed, 172 insertions(+), 97 deletions(-) -- 2.32.0