Received: by 2002:a05:6a11:4021:0:0:0:0 with SMTP id ky33csp342161pxb; Wed, 22 Sep 2021 03:33:00 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzlc53rkvA+4vQJ7Gnh/96FHxQkkOOOpdlvLXIafiRAj5d40nuGdr48hI3WYrLR4xxde7Fr X-Received: by 2002:a05:6e02:1caa:: with SMTP id x10mr24662724ill.280.1632306779966; Wed, 22 Sep 2021 03:32:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1632306779; cv=none; d=google.com; s=arc-20160816; b=hnukM7qAoM2CldNOb6pAJosQF1uayS1XZif3cte8ODTdwaToBsYDXK3ubfWIl8N7e9 y+YDLlJS9tn3lhMMHy47gQI7nHuKaMglvD1eoMrhE4j5FE4k4Hs9vyuSyeC5MozzC6uQ mo1Dc0VlryfAc0Gr5/numRn80e1NPuMVJ359KvZTIls25pvaHHmqUDCtjWLdBY3V/0nt VWUVO6kFUz7f10WZPC0235+98Y3/wfD0oHNngXFF1J+NVrSUv2dN53CdQ3erh0bVosmI hE+3ZwdtsdAns8eLme0fRsqk+oFcMRsPiP4JeU//WswbCF8B2V5XfQBQrP0lq+HS5nJC 3x1A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:references:in-reply-to:message-id :date:subject:cc:to:from; bh=xpVqGfdoGnwscbv8h+Wu6+lQqkAFhwQrCUlOSQoZfKM=; b=fEI4PspsZAFs6mwk+n2ojrlqEHFlYG6ssHYU63TTQqEIAL/voy5wQrL6f6eduKI2aZ ScseHQj2FBHt4XVh0ZsNJ7nfA8R5OxbKViW8M29YobP6ItX9vEHcdIPghg3gdZgTXsEi LqGrfxQwqIuzPYn7X6w/VFq0l3geN8D5ROaDrfmdqGIg/pBBecA/94Xazsa85lz1cbAh c5XFqJtYgqJOHMDcwxJb90ZlP6YVFw+bJUOEIzS+G5mXzNdLFA0xJ3rXvhTUudOS7paf DjrkEPn0z/KoiwKGs8oX9rsqOWbtccMQJwNJoHRmwbB6MzO3bHajST4lADGGBnYljRzo OTXw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d39si1817602jaa.115.2021.09.22.03.32.49; Wed, 22 Sep 2021 03:32:59 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234995AbhIVKdX (ORCPT + 99 others); Wed, 22 Sep 2021 06:33:23 -0400 Received: from twspam01.aspeedtech.com ([211.20.114.71]:33714 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234987AbhIVKdU (ORCPT ); Wed, 22 Sep 2021 06:33:20 -0400 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 18MAB8JN012566; Wed, 22 Sep 2021 18:11:08 +0800 (GMT-8) (envelope-from chin-ting_kuo@aspeedtech.com) Received: from localhost.localdomain (192.168.10.9) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Sep 2021 18:31:26 +0800 From: Chin-Ting Kuo To: , , , , , , , , , , , , CC: , Subject: [PATCH 04/10] mmc: Add invert flag for clock phase signedness Date: Wed, 22 Sep 2021 18:31:10 +0800 Message-ID: <20210922103116.30652-5-chin-ting_kuo@aspeedtech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210922103116.30652-1-chin-ting_kuo@aspeedtech.com> References: <20210922103116.30652-1-chin-ting_kuo@aspeedtech.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [192.168.10.9] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 18MAB8JN012566 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The clock phase degree may be between -360 to 360. If the data signal is leading to the clock, the signedness of clock phase is postive, otherwise, the signedness is negative. Signed-off-by: Chin-Ting Kuo --- drivers/mmc/core/host.c | 10 ++++++---- include/linux/mmc/host.h | 2 ++ 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index d4683b1d263f..c2de7cbc7838 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -214,14 +214,16 @@ static void mmc_retune_timer(struct timer_list *t) static void mmc_of_parse_timing_phase(struct device *dev, const char *prop, struct mmc_clk_phase *phase) { - int degrees[2] = {0}; + int degrees[4] = {0}; int rc; - rc = device_property_read_u32_array(dev, prop, degrees, 2); + rc = device_property_read_u32_array(dev, prop, degrees, 4); phase->valid = !rc; if (phase->valid) { - phase->in_deg = degrees[0]; - phase->out_deg = degrees[1]; + phase->inv_in_deg = degrees[0] ? true : false; + phase->in_deg = degrees[1]; + phase->inv_out_deg = degrees[2] ? true : false; + phase->out_deg = degrees[3]; } } diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 0c0c9a0fdf57..3c13010683e0 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -82,7 +82,9 @@ struct mmc_ios { struct mmc_clk_phase { bool valid; + bool inv_in_deg; u16 in_deg; + bool inv_out_deg; u16 out_deg; }; -- 2.17.1