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[218.35.143.223]) by smtp.gmail.com with ESMTPSA id c19sm1663479pfp.184.2021.07.21.21.02.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jul 2021 21:02:11 -0700 (PDT) From: Jason Lai 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, jason.lai@genesyslogiv.com.tw, AKASHI Takahiro Subject: [RFC PATCH v3.2 10/29] mmc: sdhci: add UHS-II module Date: Thu, 22 Jul 2021 12:01:05 +0800 Message-Id: <20210722040124.7573-10-jasonlai.genesyslogic@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210722040124.7573-1-jasonlai.genesyslogic@gmail.com> References: <20210722040124.7573-1-jasonlai.genesyslogic@gmail.com> 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 -- 2.32.0 diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 14004cc09aaa..6522f130245f 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");