From patchwork Sun Aug 18 18:01:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Oltean X-Patchwork-Id: 11099769 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3157D14DB for ; Sun, 18 Aug 2019 18:01:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2272D283B2 for ; Sun, 18 Aug 2019 18:01:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 16F612856F; Sun, 18 Aug 2019 18:01:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1260283B2 for ; Sun, 18 Aug 2019 18:01:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726972AbfHRSB0 (ORCPT ); Sun, 18 Aug 2019 14:01:26 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:37227 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726270AbfHRSB0 (ORCPT ); Sun, 18 Aug 2019 14:01:26 -0400 Received: by mail-wr1-f65.google.com with SMTP id z11so6359024wrt.4 for ; Sun, 18 Aug 2019 11:01:24 -0700 (PDT) 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=ARaiad/v4h9z7C6bz5/z4DmGPKh06OX6JHvtSq/Dxe0=; b=VQ8M9sVQnPiE6Gm2oJzWhEeqGtjg9dFeclFnADIL5iM8v0KwnmxFVlyG7b/ERkh1WU KeiFlpuexzl0ADSqUfFuufupA9fC7H0c31zLu8lFLMDKa5d8mrmP5wJqSY+WBAxmPPwK U+3A77tLb88EsYHM8FFrR5kGzZLC8c6njMLpa9662ceXPXAIq+yIYb2YtdNcYdUA/P/W 4Ry3oXqlo+uR9GDe5NAtavb3l/reaNgLv1w7Mualx8HahxEmSikWV+RjOBsCvV3+1cXE RBtO+mRr3K3WnRM7Mi9+uii+kSdA/nOrNjmzqmgK7IAxPpOlCWjzlTquGfJSH0TLZjj/ U5xg== 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=ARaiad/v4h9z7C6bz5/z4DmGPKh06OX6JHvtSq/Dxe0=; b=t9Snlw84QBhjilWorWJR17g31kPj7CbBYA5rY5lXojnXebDq24jKlwYqp0lCq1VDO6 l+v3ffgDTlomo3+1kldw6xS7URka5kQgZPIkIp0bfDKZa8FX+gLV9MJn793UrnfCKSBa xGNzlTR5QIGYwxVSNatFotlToy48bhuzWvzUia5iD0InugaF2vBD1AGXGQAb2Chck9ai SORxlDFZQoiXd6G73GWIiqBXNubkSbSIQkqDYZkP0Ga4yov9q6xeogU8L+YGk/5eaexL J5AjRf2+ESSQ9dplMxfNhzzekLjycY4jqt9APSUlBpwtRDY77bhZGNEWEGLeME4SJWWI nqOw== X-Gm-Message-State: APjAAAUIOmE+AGoEyRtqVPcQjRkGnonNnEnIXVqapUh43cAaEyVlghq0 2aXXd55Mp15crS/XlX4Af+g= X-Google-Smtp-Source: APXvYqyo87IiGQVdtDgfDWBITjJA9hLNMVgtqSPfYm0pXKn+vtnCscbWOmuNJeh4quw3Q0i5YD3iOA== X-Received: by 2002:adf:e78c:: with SMTP id n12mr21916743wrm.83.1566151284221; Sun, 18 Aug 2019 11:01:24 -0700 (PDT) Received: from localhost.localdomain ([188.25.91.80]) by smtp.gmail.com with ESMTPSA id x6sm9372246wmf.6.2019.08.18.11.01.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Aug 2019 11:01:23 -0700 (PDT) From: Vladimir Oltean To: broonie@kernel.org Cc: linux-spi@vger.kernel.org, Vladimir Oltean Subject: [PATCH spi for-5.4 04/14] spi: spi-fsl-dspi: Demistify magic value in SPI_SR_CLEAR Date: Sun, 18 Aug 2019 21:01:05 +0300 Message-Id: <20190818180115.31114-5-olteanv@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190818180115.31114-1-olteanv@gmail.com> References: <20190818180115.31114-1-olteanv@gmail.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the field definitions for the SPI_SR register. The SPI status register is write-1-to-clear and this value is written at init time. Signed-off-by: Vladimir Oltean --- drivers/spi/spi-fsl-dspi.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 179a9818619f..923ee414d1ae 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -57,7 +57,19 @@ #define SPI_SR 0x2c #define SPI_SR_TCFQF BIT(31) #define SPI_SR_EOQF BIT(28) -#define SPI_SR_CLEAR 0x9aaf0000 +#define SPI_SR_TFUF BIT(27) +#define SPI_SR_TFFF BIT(25) +#define SPI_SR_CMDTCF BIT(23) +#define SPI_SR_SPEF BIT(21) +#define SPI_SR_RFOF BIT(19) +#define SPI_SR_TFIWF BIT(18) +#define SPI_SR_RFDF BIT(17) +#define SPI_SR_CMDFFF BIT(16) +#define SPI_SR_CLEAR (SPI_SR_TCFQF | SPI_SR_EOQF | \ + SPI_SR_TFUF | SPI_SR_TFFF | \ + SPI_SR_CMDTCF | SPI_SR_SPEF | \ + SPI_SR_RFOF | SPI_SR_TFIWF | \ + SPI_SR_RFDF | SPI_SR_CMDFFF) #define SPI_RSER_TFFFE BIT(25) #define SPI_RSER_TFFFD BIT(24)