mirror of
https://github.com/torvalds/linux
synced 2024-10-16 08:19:01 +00:00
68f5630ae1
Since commit aed65af1cc ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the sdio_type,
sd_type and mmc_type variables to be constant structures as well, placing
it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240219-device_cleanup-mmc-v1-1-1910e283cf5a@marliere.net
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* 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,
|
|
const 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
|