disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/mmc/sdio_func.h
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@@ -1,12 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  *  include/linux/mmc/sdio_func.h
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  *
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  *  Copyright 2007-2008 Pierre Ossman
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or (at
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- * your option) any later version.
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  */
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 #ifndef LINUX_MMC_SDIO_FUNC_H
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@@ -29,7 +25,7 @@
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 	struct sdio_func_tuple *next;
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 	unsigned char code;
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 	unsigned char size;
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-	unsigned char data[0];
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+	unsigned char data[];
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 };
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 /*
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@@ -55,14 +51,12 @@
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 	u8			*tmpbuf;	/* DMA:able scratch buffer */
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+	u8			major_rev;	/* major revision number */
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+	u8			minor_rev;	/* minor revision number */
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 	unsigned		num_info;	/* number of info strings */
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 	const char		**info;		/* info strings */
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 	struct sdio_func_tuple *tuples;
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-
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-#ifdef CONFIG_SDIO_KEEPALIVE
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-	u8 card_alive;
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-#endif
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 };
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 #define sdio_func_present(f)	((f)->state & SDIO_STATE_PRESENT)
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@@ -115,6 +109,18 @@
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 extern int sdio_register_driver(struct sdio_driver *);
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 extern void sdio_unregister_driver(struct sdio_driver *);
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+/**
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+ * module_sdio_driver() - Helper macro for registering a SDIO driver
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+ * @__sdio_driver: sdio_driver struct
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+ *
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+ * Helper macro for SDIO drivers which do not do anything special in module
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+ * init/exit. This eliminates a lot of boilerplate. Each module may only
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+ * use this macro once, and calling it replaces module_init() and module_exit()
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+ */
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+#define module_sdio_driver(__sdio_driver) \
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+	module_driver(__sdio_driver, sdio_register_driver, \
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+		      sdio_unregister_driver)
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+
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 /*
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  * SDIO I/O operations
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  */