From patchwork Fri Nov 6 02:27:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AKASHI Takahiro X-Patchwork-Id: 11885739 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 61313174A for ; Fri, 6 Nov 2020 02:28:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B22F2075A for ; Fri, 6 Nov 2020 02:28:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="BYEo3Q0d" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725995AbgKFC23 (ORCPT ); Thu, 5 Nov 2020 21:28:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726011AbgKFC22 (ORCPT ); Thu, 5 Nov 2020 21:28:28 -0500 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C0DEC0613D2 for ; Thu, 5 Nov 2020 18:28:28 -0800 (PST) Received: by mail-pf1-x430.google.com with SMTP id w65so2953878pfd.3 for ; Thu, 05 Nov 2020 18:28:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=jSSavh8aYuAKIHXfk4k19j1F92a9eMW5CzDb9993MqU=; b=BYEo3Q0d7sowonRQAWHJQ0Me1yZyJMKZyhajU473DZ6B0j4VLTclPc57wc3qV0r7BN 4wVU+Iuoj4j9IuhR999knyLoDMjx94Z/DRp4+bdQtmKIsRmttbs5gfZ4HmYHAdWu6qro uv1ulvPWaAYa2q+zihYt6yFP9UtB8kLIIX3dE4mtWyqE8Vl0H8CKRQ2f8Ko74rnmRetZ BmnTvjHr4DnOS+P2JcHVin3B0VeTgjuAniluISo0BBbMcadsFEqjHgQfoTKnjUQdGKvE fvHMfqHqMJYImxwzBjuJjkFphXdRE00WTehhKT1WrXBW5ltLKd5Z9CXmxPiR1RSPTgAp /Ehw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=jSSavh8aYuAKIHXfk4k19j1F92a9eMW5CzDb9993MqU=; b=Kbf1QKyzh+pbOQNEjWrUHhUabnZENDc5IfywcpGhxP5gSd6QkPFEd7bIplDlZLCZ/s Nf6EHvXoP2XZL9HLcz97k8igTbA2ptCesLo/rZSQwL4iWj6KPJq3prbhn1fwzzrI+hgM xlCHpNWDNzJxwlitbHyeu0v13KZUO137dyyVBHYGQJviWbOVCYOJ5Bi9ztaqY4HW/o9p Hq/oYuE/m+sWnRNC9hOZ/vGigBb0smmdrdntiMnde5XUqPqyKDWPVzsF+pKN0wQOVxbV eSJ/QPU74br31YXlICwP2bFxRAastYEIiJ3jSy2qJjI0kNIRXv7R13FcBcNzBUNPOcFK lYbw== X-Gm-Message-State: AOAM530Venh7MrOoSenURmF4pEQYAWMJPqQCV3HpzwZjyjrMpJ1JUTvV F+T6o38zPVmzCOTFX0E2F6fA3Bcuy5CENg== X-Google-Smtp-Source: ABdhPJyC7aqLgd76lj5QmCOs7lCdy4oablIuNeLjwbHbR/B1L06vGJJDJ0rnPG1YsQcFxBEyw2FW0g== X-Received: by 2002:a63:1512:: with SMTP id v18mr3213908pgl.450.1604629708080; Thu, 05 Nov 2020 18:28:28 -0800 (PST) Received: from localhost.localdomain (p784a66b9.tkyea130.ap.so-net.ne.jp. [120.74.102.185]) by smtp.gmail.com with ESMTPSA id m13sm3703040pjr.30.2020.11.05.18.28.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2020 18:28:27 -0800 (PST) From: AKASHI Takahiro To: ulf.hansson@linaro.org, adrian.hunter@intel.com Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, ben.chuang@genesyslogic.com.tw, greg.tu@genesyslogic.com.tw, AKASHI Takahiro Subject: [RFC PATCH v3.1 10/27] mmc: sdhci: add UHS-II module Date: Fri, 6 Nov 2020 11:27:09 +0900 Message-Id: <20201106022726.19831-11-takahiro.akashi@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201106022726.19831-1-takahiro.akashi@linaro.org> References: <20201106022726.19831-1-takahiro.akashi@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org This patch adds sdhci-uhs2.c as a module for UHS-II support. This is a skelton for further development in this patch series. Signed-off-by: Ben Chuang Signed-off-by: AKASHI Takahiro --- drivers/mmc/host/Makefile | 1 + drivers/mmc/host/sdhci-uhs2.c | 46 +++++++++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+) create mode 100644 drivers/mmc/host/sdhci-uhs2.c diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 451c25fc2c69..f6e9b05c3b30 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_MMC_PXA) += pxamci.o obj-$(CONFIG_MMC_MXC) += mxcmmc.o obj-$(CONFIG_MMC_MXS) += mxs-mmc.o obj-$(CONFIG_MMC_SDHCI) += sdhci.o +obj-$(CONFIG_MMC_SDHCI_UHS2) += sdhci-uhs2.o obj-$(CONFIG_MMC_SDHCI_PCI) += sdhci-pci.o sdhci-pci-y += sdhci-pci-core.o sdhci-pci-o2micro.o sdhci-pci-arasan.o \ sdhci-pci-dwc-mshc.o sdhci-pci-gli.o diff --git a/drivers/mmc/host/sdhci-uhs2.c b/drivers/mmc/host/sdhci-uhs2.c new file mode 100644 index 000000000000..f29d3a4ed43c --- /dev/null +++ b/drivers/mmc/host/sdhci-uhs2.c @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * linux/drivers/mmc/host/sdhci_uhs2.c - Secure Digital Host Controller + * Interface driver + * + * Copyright (C) 2014 Intel Corp, All Rights Reserved. + * Copyright (C) 2020 Genesys Logic, Inc. + * Authors: Ben Chuang + * Copyright (C) 2020 Linaro Limited + * Author: AKASHI Takahiro + */ + +#include + +#include "sdhci.h" +#include "sdhci-uhs2.h" + +#define DRIVER_NAME "sdhci_uhs2" +#define DBG(f, x...) \ + pr_debug(DRIVER_NAME " [%s()]: " f, __func__, ## x) + +/*****************************************************************************\ + * * + * Driver init/exit * + * * +\*****************************************************************************/ + +static int sdhci_uhs2_host_ops_init(struct sdhci_host *host) +{ + return 0; +} + +static int __init sdhci_uhs2_mod_init(void) +{ + return 0; +} +module_init(sdhci_uhs2_mod_init); + +static void __exit sdhci_uhs2_exit(void) +{ +} +module_exit(sdhci_uhs2_exit); + +MODULE_AUTHOR("Intel, Genesys Logic, Linaro"); +MODULE_DESCRIPTION("MMC UHS-II Support"); +MODULE_LICENSE("GPL v2");