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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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14dd1ff0f9
- Define new setup() hook to export the accessor - Implement accessor methods Moves some error checking out of the sysfs interface code into the layer below it, which is now shared by both sysfs and memory access code. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
29 lines
866 B
C
29 lines
866 B
C
#ifndef __LINUX_SPI_EEPROM_H
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#define __LINUX_SPI_EEPROM_H
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#include <linux/memory.h>
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/*
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* Put one of these structures in platform_data for SPI EEPROMS handled
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* by the "at25" driver. On SPI, most EEPROMS understand the same core
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* command set. If you need to support EEPROMs that don't yet fit, add
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* flags to support those protocol options. These values all come from
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* the chip datasheets.
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*/
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struct spi_eeprom {
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u32 byte_len;
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char name[10];
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u16 page_size; /* for writes */
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u16 flags;
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#define EE_ADDR1 0x0001 /* 8 bit addrs */
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#define EE_ADDR2 0x0002 /* 16 bit addrs */
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#define EE_ADDR3 0x0004 /* 24 bit addrs */
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#define EE_READONLY 0x0008 /* disallow writes */
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/* for exporting this chip's data to other kernel code */
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void (*setup)(struct memory_accessor *mem, void *context);
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void *context;
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};
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#endif /* __LINUX_SPI_EEPROM_H */
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