From patchwork Fri Feb 5 11:09:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Volmat X-Patchwork-Id: 377880 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 7F998C43381 for ; Fri, 5 Feb 2021 11:16:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 345D264FA8 for ; Fri, 5 Feb 2021 11:16:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230088AbhBELPy (ORCPT ); Fri, 5 Feb 2021 06:15:54 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:21956 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231837AbhBELKj (ORCPT ); Fri, 5 Feb 2021 06:10:39 -0500 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 115Ar06U005693; Fri, 5 Feb 2021 12:09:47 +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=oy9tt9LOcC+4G85rs/T6QnLkLfJnzRu6mgOs3GhCeH8=; b=ByObkEBSmzwXf1AxlrVGNCue6ILIC3/MKoMCwmHSB+17u6dDlgw8Lykc8d9Bq2ia0lvq RHYnxCvdkVtWw5UNrsitY6Sz4y/jRpwtcUqhye8rdXbMeHvYAnA8TdM6L/f8/542ZJKz PnJHTdodBMQESCUanBobiot7Z5r+dOSeVn5GeOR1CSx7C5m2bVcxVR31nduBnAD3lmFb 2b8daPSwhKi0FDIlL6XannKLmN9hOq+bT1zmcXNI8SimIkeBCGrZB7fg3O2KbLioXLHh BZKlue1mX7oOZJpIVo5BWYE0M7FGrOKTRbpcxQMh6WzmDJdWjfwnUFvdllO5vtffb974 qQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 36d0nsf3am-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 05 Feb 2021 12:09:47 +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 E0556100034; Fri, 5 Feb 2021 12:09:46 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id D3EAB229F3C; Fri, 5 Feb 2021 12:09:46 +0100 (CET) Received: from localhost (10.75.127.49) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 5 Feb 2021 12:09:46 +0100 From: Alain Volmat To: , CC: , , , , , , , Subject: [PATCH 7/8] spi: stm32h7: replace private SPI_1HZ_NS with NSEC_PER_SEC Date: Fri, 5 Feb 2021 12:09:01 +0100 Message-ID: <1612523342-10466-8-git-send-email-alain.volmat@foss.st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1612523342-10466-1-git-send-email-alain.volmat@foss.st.com> References: <1612523342-10466-1-git-send-email-alain.volmat@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.49] X-ClientProxiedBy: SFHDAG1NODE2.st.com (10.75.127.2) 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_06:2021-02-05,2021-02-05 signatures=0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.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 --- 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 cacd5b4b6823..7692e2778df5 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,