a156c7ba66
Remove the nvram_read_byte() and nvram_write_byte() declarations in powerpc/include/asm/nvram.h and use the cross-platform static functions in linux/nvram.h instead. Tested-by: Stan Johnson <userm57@yahoo.com> Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
50 lines
1 KiB
C
50 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_NVRAM_H
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#define _LINUX_NVRAM_H
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#include <linux/errno.h>
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#include <uapi/linux/nvram.h>
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struct nvram_ops {
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ssize_t (*get_size)(void);
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ssize_t (*read)(char *, size_t, loff_t *);
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ssize_t (*write)(char *, size_t, loff_t *);
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};
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extern const struct nvram_ops arch_nvram_ops;
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static inline ssize_t nvram_get_size(void)
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{
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#ifdef CONFIG_PPC
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#else
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if (arch_nvram_ops.get_size)
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return arch_nvram_ops.get_size();
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#endif
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return -ENODEV;
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}
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static inline unsigned char nvram_read_byte(int addr)
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{
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return 0xFF;
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}
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static inline void nvram_write_byte(unsigned char val, int addr)
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{
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}
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static inline ssize_t nvram_read(char *buf, size_t count, loff_t *ppos)
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{
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if (arch_nvram_ops.read)
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return arch_nvram_ops.read(buf, count, ppos);
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return -ENODEV;
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}
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static inline ssize_t nvram_write(char *buf, size_t count, loff_t *ppos)
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{
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if (arch_nvram_ops.write)
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return arch_nvram_ops.write(buf, count, ppos);
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return -ENODEV;
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}
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#endif /* _LINUX_NVRAM_H */
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