From patchwork Fri Feb 5 18:59:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Volmat X-Patchwork-Id: 12070773 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, 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 EB166C433E0 for ; Fri, 5 Feb 2021 19:01:49 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 875F464E33 for ; Fri, 5 Feb 2021 19:01:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 875F464E33 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=foss.st.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PTToD/avVX4BOKjev5REhgHJ4rcUKuRTrmYDs2TVBIc=; b=wI7ie45ELxDZzm/TbNjHQrmEJ TWtQhJ4PEKhsfStffezLwKA/JO46VicqkPY/2MflbKSmDchUfmQVDluFlWAAklvrAqZbA+25X7khN 9DFL3JQ1c2FT5nY2RfTP1IOqlwQuEhOw9C8UYZ0qXLS3Uv3SgPhrcXlyUES5WZwxRYS0KneyVcJDq 7fZYwaGWhJC8ilCbgQQk9gFH2fZsUeOjxW86gv4fnTxCubV7093zHDX+xaXMorGo3vk1Pjxy+bUJR CE1moCIxHfRUq28f15ZjL7kgwa7PzAtEkzXDVVATatIbOh0E+mOoKHykTfhX48DTYX6nvZIFu8L4u FiQe8PtMA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l86LB-0008D2-SI; Fri, 05 Feb 2021 19:00:25 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l86Kf-0007zm-0X for linux-arm-kernel@lists.infradead.org; Fri, 05 Feb 2021 18:59:56 +0000 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 115IrNAr001142; Fri, 5 Feb 2021 19:59:49 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=selector1; bh=0uuaDVuF5/T12efyt8yM5xTo3BeRGMfGxhiT7EoQ6Ec=; b=u7SBFh0flkgFtFH7hl+XIy6sCOgkIxHOD+X9SLkJEpxzX5wW9djwr6FJPOEhWT+DX8OG Jdaqlm/1ulN3HboqQh+0MOBBXQhl71wkQwwfomjO0yq04BtG/9VFLudwvaWuJbX0bOEo 79G6MpeSeEe5F41LhLnn6bH2vvyjnq0zDXtxfFFOu81lR872PN0qMHZLXAXjpy9I6qFP 73uutczvHPJz9N5eVAbXSJnpWRUtrCYn4U+ZZjqNwR1aAOkDfFQStbmI7OrHUrlC1sau rBKI9VFAITvshoccuzvOvxDAkvmA9lBCzMI2mKrwCVHRHMbdo4OtdiTkgOUrPcIlFtK+ IQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 36h1kebvnm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 05 Feb 2021 19:59:48 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 4AEB7100034; Fri, 5 Feb 2021 19:59:48 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 401D72C38D3; Fri, 5 Feb 2021 19:59:48 +0100 (CET) Received: from localhost (10.75.127.46) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 5 Feb 2021 19:59:47 +0100 From: Alain Volmat To: , Subject: [PATCH v2 7/8] spi: stm32h7: replace private SPI_1HZ_NS with NSEC_PER_SEC Date: Fri, 5 Feb 2021 19:59:31 +0100 Message-ID: <1612551572-495-8-git-send-email-alain.volmat@foss.st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1612551572-495-1-git-send-email-alain.volmat@foss.st.com> References: <1612551572-495-1-git-send-email-alain.volmat@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG3NODE3.st.com (10.75.127.9) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-05_10:2021-02-05, 2021-02-05 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210205_135953_310689_EB016B0D X-CRM114-Status: GOOD ( 15.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, alexandre.torgue@foss.st.com, fabrice.gasnier@foss.st.com, mcoquelin.stm32@gmail.com, alain.volmat@foss.st.com, linux-spi@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Amelie Delaunay Replace SPI_1HZ_NS private constant with NSEC_PER_SEC, which is easier to read and understand. Signed-off-by: Amelie Delaunay Signed-off-by: Alain Volmat --- v2: identical to v1 drivers/spi/spi-stm32.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 54196cecfe2e..f3a4ff60ac4b 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -162,8 +162,6 @@ #define SPI_3WIRE_TX 3 #define SPI_3WIRE_RX 4 -#define SPI_1HZ_NS 1000000000 - /* * use PIO for small transfers, avoiding DMA setup/teardown overhead for drivers * without fifo buffers. @@ -1525,7 +1523,7 @@ static void stm32h7_spi_data_idleness(struct stm32_spi *spi, u32 len) cfg2_clrb |= STM32H7_SPI_CFG2_MIDI; if ((len > 1) && (spi->cur_midi > 0)) { - u32 sck_period_ns = DIV_ROUND_UP(SPI_1HZ_NS, spi->cur_speed); + u32 sck_period_ns = DIV_ROUND_UP(NSEC_PER_SEC, spi->cur_speed); u32 midi = min_t(u32, DIV_ROUND_UP(spi->cur_midi, sck_period_ns), FIELD_GET(STM32H7_SPI_CFG2_MIDI,