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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 */
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/*
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* linux/drivers/mmc/core/bus.h
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*
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* Copyright (C) 2003 Russell King, All Rights Reserved.
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* Copyright 2007 Pierre Ossman
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*/
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#ifndef _MMC_CORE_BUS_H
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#define _MMC_CORE_BUS_H
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#include <linux/device.h>
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#include <linux/sysfs.h>
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struct mmc_host;
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struct mmc_card;
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#define MMC_DEV_ATTR(name, fmt, args...) \
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static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct mmc_card *card = mmc_dev_to_card(dev); \
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return sysfs_emit(buf, fmt, args); \
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} \
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static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
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struct mmc_card *mmc_alloc_card(struct mmc_host *host,
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const struct device_type *type);
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int mmc_add_card(struct mmc_card *card);
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void mmc_remove_card(struct mmc_card *card);
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int mmc_register_bus(void);
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void mmc_unregister_bus(void);
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struct mmc_driver {
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struct device_driver drv;
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int (*probe)(struct mmc_card *card);
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void (*remove)(struct mmc_card *card);
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void (*shutdown)(struct mmc_card *card);
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};
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int mmc_register_driver(struct mmc_driver *drv);
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void mmc_unregister_driver(struct mmc_driver *drv);
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#endif
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