From patchwork Tue Aug 3 10:22:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mason Zhang X-Patchwork-Id: 12415869 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,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 A2508C4338F for ; Tue, 3 Aug 2021 10:39:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7EE8B60F58 for ; Tue, 3 Aug 2021 10:39:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235294AbhHCKjd (ORCPT ); Tue, 3 Aug 2021 06:39:33 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:44972 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S234913AbhHCKja (ORCPT ); Tue, 3 Aug 2021 06:39:30 -0400 X-UUID: 7b4888f653c74c189dee791da5555021-20210803 X-UUID: 7b4888f653c74c189dee791da5555021-20210803 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 665165894; Tue, 03 Aug 2021 18:39:16 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 3 Aug 2021 18:39:15 +0800 Received: from localhost.localdomain (10.15.20.246) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 3 Aug 2021 18:39:14 +0800 From: Mason Zhang To: Mark Brown , Matthias Brugger CC: Laxman Dewangan , , , , , , Mason Zhang Subject: [PATCH v2 0/4] *** spi cs_timing restructure *** Date: Tue, 3 Aug 2021 18:22:29 +0800 Message-ID: <20210803102228.2535-1-Mason.Zhang@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Hello, This patchset has restructure spi cs_timing, as we know spi core has removed spi_set_cs_timing() API, it is a correct decision because it asked spi devices to call it in one more time. so we need find another way to support user set cs_timing. Actually, spi_device set spi_delay for cs_timing is enough, and about how to set cs_timing, just put it one the master driver. We have test this patch in mediatek platform, it can compeletly meets our needs. Changed in v2: - fix tegra spi build err Mason Zhang (4): spi: move cs spi_delay to spi_device spi: modify set_cs_timing parameter spi: mediatek: modify set_cs_timing callback spi: tegra114: Fix set_cs_timing param drivers/spi/spi-mt65xx.c | 102 ++++++++++++++++++++----------------- drivers/spi/spi-tegra114.c | 8 +-- drivers/spi/spi.c | 6 +-- include/linux/spi/spi.h | 23 ++++----- 4 files changed, 73 insertions(+), 66 deletions(-)