forked from luck/tmp_suning_uos_patched
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
|
|
#define __LINUX_SPI_EEPROM_H
|
|
|
|
#include <linux/memory.h>
|
|
|
|
/*
|
|
* Put one of these structures in platform_data for SPI EEPROMS handled
|
|
* by the "at25" driver. On SPI, most EEPROMS understand the same core
|
|
* command set. If you need to support EEPROMs that don't yet fit, add
|
|
* flags to support those protocol options. These values all come from
|
|
* the chip datasheets.
|
|
*/
|
|
struct spi_eeprom {
|
|
u32 byte_len;
|
|
char name[10];
|
|
u16 page_size; /* for writes */
|
|
u16 flags;
|
|
#define EE_ADDR1 0x0001 /* 8 bit addrs */
|
|
#define EE_ADDR2 0x0002 /* 16 bit addrs */
|
|
#define EE_ADDR3 0x0004 /* 24 bit addrs */
|
|
#define EE_READONLY 0x0008 /* disallow writes */
|
|
|
|
/* for exporting this chip's data to other kernel code */
|
|
void (*setup)(struct memory_accessor *mem, void *context);
|
|
void *context;
|
|
};
|
|
|
|
#endif /* __LINUX_SPI_EEPROM_H */
|