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| author | David Brownell <dbrownell@users.sourceforge.net> | 2009-04-02 16:56:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-02 19:04:50 -0700 |
| commit | 14dd1ff0f9e75dd4ae2f1ff8e48becb76d14f4ab (patch) | |
| tree | a9e208f0c35c8e24ed0edb8a1bc5ca9a4dc9b585 /include/linux | |
| parent | 7274ec8bd71e99018642f474528ea7de4bb3ae25 (diff) | |
| download | op-kernel-dev-14dd1ff0f9e75dd4ae2f1ff8e48becb76d14f4ab.zip op-kernel-dev-14dd1ff0f9e75dd4ae2f1ff8e48becb76d14f4ab.tar.gz | |
memory_accessor: implement the new memory_accessor interfaces for SPI EEPROMs
- 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>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/spi/eeprom.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/spi/eeprom.h b/include/linux/spi/eeprom.h index 1085212..306e7b1 100644 --- a/include/linux/spi/eeprom.h +++ b/include/linux/spi/eeprom.h @@ -1,6 +1,8 @@ #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 @@ -17,6 +19,10 @@ struct spi_eeprom { #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 */ |
