On 19/10/22 14:06, Victor Shih wrote:
> From: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx>
>
> 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 <ben.chuang@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx>
> ---
> 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 4e4ceb32c4b4..c4ae7c6d9c04 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 <ben.chuang@xxxxxxxxxxxxxxxxxxx>
> + * Copyright (C) 2020 Linaro Limited
> + * Author: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx>
> + */
> +
> +#include <linux/module.h>
> +
> +#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)
It would be better to match the form of the init name
e.g. sdhci_uhs2_mod_exit
> +{
> +}
> +module_exit(sdhci_uhs2_exit);
> +
> +MODULE_AUTHOR("Intel, Genesys Logic, Linaro");
> +MODULE_DESCRIPTION("MMC UHS-II Support");
> +MODULE_LICENSE("GPL v2");
