From patchwork Mon Aug 24 03:45:16 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leilk Liu X-Patchwork-Id: 7060141 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id F410A9F358 for ; Mon, 24 Aug 2015 03:46:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1D7F5206D6 for ; Mon, 24 Aug 2015 03:46:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3001E20629 for ; Mon, 24 Aug 2015 03:46:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932185AbbHXDpp (ORCPT ); Sun, 23 Aug 2015 23:45:45 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:40941 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S932174AbbHXDpn (ORCPT ); Sun, 23 Aug 2015 23:45:43 -0400 X-Listener-Flag: 11101 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1835576186; Mon, 24 Aug 2015 11:45:41 +0800 Received: from mhfsdcap03.localdomain (10.17.3.153) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.181.6; Mon, 24 Aug 2015 11:45:39 +0800 From: Leilk Liu To: Mark Brown CC: Mark Rutland , Matthias Brugger , Sascha Hauer , , , , , , Leilk Liu Subject: [PATCH v3 2/4] spi: mediatek: replace int with u32, delete TAB and define MTK_SPI_PAUSE_INT_STATUS marco Date: Mon, 24 Aug 2015 11:45:16 +0800 Message-ID: <1440387918-22191-3-git-send-email-leilk.liu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1440387918-22191-1-git-send-email-leilk.liu@mediatek.com> References: <1440387918-22191-1-git-send-email-leilk.liu@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Spam-Status: No, score=-8.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP this patch replaces int with u32, deletes TAB, and defines MTK_SPI_PAUSE_INT_STATUS marco. Signed-off-by: Leilk Liu --- drivers/spi/spi-mt65xx.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index fe4eda3..f81618c 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -67,6 +67,8 @@ #define MT8173_SPI_MAX_PAD_SEL 3 +#define MTK_SPI_PAUSE_INT_STATUS 0x2 + #define MTK_SPI_IDLE 0 #define MTK_SPI_PAUSED 1 @@ -179,7 +181,7 @@ static int mtk_spi_prepare_hardware(struct spi_master *master) trans = list_first_entry(&msg->transfers, struct spi_transfer, transfer_list); - if (trans->cs_change == 0) { + if (!trans->cs_change) { mdata->state = MTK_SPI_IDLE; mtk_spi_reset(mdata); } @@ -269,11 +271,11 @@ static void mtk_spi_setup_packet(struct spi_master *master) u32 packet_size, packet_loop, reg_val; struct mtk_spi *mdata = spi_master_get_devdata(master); - packet_size = min_t(unsigned, mdata->xfer_len, MTK_SPI_PACKET_SIZE); + packet_size = min_t(u32, mdata->xfer_len, MTK_SPI_PACKET_SIZE); packet_loop = mdata->xfer_len / packet_size; reg_val = readl(mdata->base + SPI_CFG1_REG); - reg_val &= ~(SPI_CFG1_PACKET_LENGTH_MASK + SPI_CFG1_PACKET_LOOP_MASK); + reg_val &= ~(SPI_CFG1_PACKET_LENGTH_MASK | SPI_CFG1_PACKET_LOOP_MASK); reg_val |= (packet_size - 1) << SPI_CFG1_PACKET_LENGTH_OFFSET; reg_val |= (packet_loop - 1) << SPI_CFG1_PACKET_LOOP_OFFSET; writel(reg_val, mdata->base + SPI_CFG1_REG); @@ -281,7 +283,7 @@ static void mtk_spi_setup_packet(struct spi_master *master) static void mtk_spi_enable_transfer(struct spi_master *master) { - int cmd; + u32 cmd; struct mtk_spi *mdata = spi_master_get_devdata(master); cmd = readl(mdata->base + SPI_CMD_REG); @@ -292,9 +294,9 @@ static void mtk_spi_enable_transfer(struct spi_master *master) writel(cmd, mdata->base + SPI_CMD_REG); } -static int mtk_spi_get_mult_delta(int xfer_len) +static int mtk_spi_get_mult_delta(u32 xfer_len) { - int mult_delta; + u32 mult_delta; if (xfer_len > MTK_SPI_PACKET_SIZE) mult_delta = xfer_len % MTK_SPI_PACKET_SIZE; @@ -435,7 +437,7 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id) struct spi_transfer *trans = mdata->cur_transfer; reg_val = readl(mdata->base + SPI_STATUS0_REG); - if (reg_val & 0x2) + if (reg_val & MTK_SPI_PAUSE_INT_STATUS) mdata->state = MTK_SPI_PAUSED; else mdata->state = MTK_SPI_IDLE; @@ -498,7 +500,7 @@ static int mtk_spi_probe(struct platform_device *pdev) struct mtk_spi *mdata; const struct of_device_id *of_id; struct resource *res; - int irq, ret; + int irq, ret; master = spi_alloc_master(&pdev->dev, sizeof(*mdata)); if (!master) {