diff options
Diffstat (limited to 'drivers/mmc/core/bus.h')
| -rw-r--r-- | drivers/mmc/core/bus.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/mmc/core/bus.h b/drivers/mmc/core/bus.h new file mode 100644 index 000000000..3996b191b --- /dev/null +++ b/drivers/mmc/core/bus.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/drivers/mmc/core/bus.h + * + * Copyright (C) 2003 Russell King, All Rights Reserved. + * Copyright 2007 Pierre Ossman + */ +#ifndef _MMC_CORE_BUS_H +#define _MMC_CORE_BUS_H + +#include <linux/device.h> +#include <linux/sysfs.h> + +struct mmc_host; +struct mmc_card; + +#define MMC_DEV_ATTR(name, fmt, args...) \ +static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + struct mmc_card *card = mmc_dev_to_card(dev); \ + return sysfs_emit(buf, fmt, args); \ +} \ +static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL) + +struct mmc_card *mmc_alloc_card(struct mmc_host *host, + struct device_type *type); +int mmc_add_card(struct mmc_card *card); +void mmc_remove_card(struct mmc_card *card); + +int mmc_register_bus(void); +void mmc_unregister_bus(void); + +struct mmc_driver { + struct device_driver drv; + int (*probe)(struct mmc_card *card); + void (*remove)(struct mmc_card *card); + void (*shutdown)(struct mmc_card *card); +}; + +int mmc_register_driver(struct mmc_driver *drv); +void mmc_unregister_driver(struct mmc_driver *drv); + +#endif |