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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 EC6BDC3F2D1 for ; Mon, 2 Mar 2020 00:20:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BB32824699 for ; Mon, 2 Mar 2020 00:20:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NBkqHx1v" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727050AbgCBAUc (ORCPT ); Sun, 1 Mar 2020 19:20:32 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:33313 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726688AbgCBAUR (ORCPT ); Sun, 1 Mar 2020 19:20:17 -0500 Received: by mail-wr1-f67.google.com with SMTP id x7so10373971wrr.0; Sun, 01 Mar 2020 16:20:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=OpaKrDoeUk2RJ12slgA8fUGlWxUuM6afstpoyn/uPGg=; b=NBkqHx1vHzaqb/+7HdnVMCM71Jo6uxThzQyLbrk9qz3EyFh5XxqpgqM73XK6V8+GpQ wqsO/0uuA/o0f5JsHHjmtEp7EPF5IFQyki128BnDF144jNBNseLuu/mh1IGv2f+VbAiP pOlTJ2SFnxZZPPLZ3qINphuZkD8fEAEhHmovTyJpdChpa6s2UqVTBKGjUJEp5xwDLnom rid9758M40svjaxPzgn+bAk9PURGm9dsTU3iWpzzsiFc7DTTE30Fpu0xeQtcSbiSPwoB AB3qDScJM0l0dsnK0xxvE3Zo4kpDxQVN2NpCfnxvb5cXS/FtMLblHzb78ZSv+YBtFnve Vd/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=OpaKrDoeUk2RJ12slgA8fUGlWxUuM6afstpoyn/uPGg=; b=S64yafSf9jGdNXEeyglqQpCnovZm26WuZHETMqy1WvzCZmPrRZo4hobRH6kSRlV9FR 8bfPe0VowS8+EmMibuKQPYOdiXpaLYDTOGOR1a1fJsmqmPFIVRToZ6/zSwtRIYsMjTK2 tbT46CGFuQRXsajhmthSdeYuNWTUaYEDelusL6Pzhlx5vB4G6mWjUsIpWRRGTPEuuKvi u92Kxo2LIULuaCHQKfJfSjT70Zpi/u1nHCzV+mqcEoI9zqs2R1HT7hZER4evHPVTMr7l 3YHwH08eBhzv+M68uthharZ+dWnjhFunOuD/NqwIvPSJAIFLSJOIij26rCkyQ55J9Ih1 GvCA== X-Gm-Message-State: APjAAAWkjlVySKhWsxMcsFBbCOenz/JMO2LVtyxZ7zvwnLuSsn+WViIJ 3/EfVnQI3miOlJz+6Dygf5U= X-Google-Smtp-Source: APXvYqxxhdIQTQNMdIrAMRWM1vH31jBETpsphfpExLQu3aTIpTz9KwOzVl6OMEpRvwMM8nLF1O1Xpw== X-Received: by 2002:adf:94a3:: with SMTP id 32mr19680451wrr.276.1583108415535; Sun, 01 Mar 2020 16:20:15 -0800 (PST) Received: from localhost.localdomain ([79.115.60.40]) by smtp.gmail.com with ESMTPSA id k16sm25428417wrd.17.2020.03.01.16.20.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Mar 2020 16:20:15 -0800 (PST) From: Vladimir Oltean To: broonie@kernel.org Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 6/6] spi: spi-fsl-dspi: Convert the instantiations that support it to DMA Date: Mon, 2 Mar 2020 02:19:58 +0200 Message-Id: <20200302001958.11105-7-olteanv@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200302001958.11105-1-olteanv@gmail.com> References: <20200302001958.11105-1-olteanv@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vladimir Oltean The A-011218 eDMA/DSPI erratum affects most of the older Layerscape SoCs with DSPI, and its workaround is a bit intrusive. After this patch, there are no users of TCFQ mode that don't also support XSPI (previously there was LS2085A). Signed-off-by: Vladimir Oltean --- drivers/spi/spi-fsl-dspi.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index c26a42f8ecbc..c357c3247232 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -147,42 +147,49 @@ static const struct fsl_dspi_devtype_data devtype_data[] = { .fifo_size = 4, }, [LS1021A] = { + /* Has A-011218 DMA erratum */ .trans_mode = DSPI_TCFQ_MODE, .max_clock_factor = 8, .xspi_mode = true, .fifo_size = 4, }, [LS1012A] = { + /* Has A-011218 DMA erratum */ .trans_mode = DSPI_TCFQ_MODE, .max_clock_factor = 8, .xspi_mode = true, .fifo_size = 16, }, [LS1043A] = { + /* Has A-011218 DMA erratum */ .trans_mode = DSPI_TCFQ_MODE, .max_clock_factor = 8, .xspi_mode = true, .fifo_size = 16, }, [LS1046A] = { + /* Has A-011218 DMA erratum */ .trans_mode = DSPI_TCFQ_MODE, .max_clock_factor = 8, .xspi_mode = true, .fifo_size = 16, }, [LS2080A] = { - .trans_mode = DSPI_TCFQ_MODE, + .trans_mode = DSPI_DMA_MODE, + .dma_bufsize = 8, .max_clock_factor = 8, .xspi_mode = true, .fifo_size = 4, }, [LS2085A] = { - .trans_mode = DSPI_TCFQ_MODE, + .trans_mode = DSPI_DMA_MODE, + .dma_bufsize = 8, .max_clock_factor = 8, .fifo_size = 4, }, [LX2160A] = { - .trans_mode = DSPI_TCFQ_MODE, + .trans_mode = DSPI_DMA_MODE, + .dma_bufsize = 8, .max_clock_factor = 8, .xspi_mode = true, .fifo_size = 4, -- 2.17.1