diff options
author | Jonas Karlman <jonas@kwiboo.se> | 2017-04-22 08:57:41 +0000 |
---|---|---|
committer | Simon Glass <sjg@chromium.org> | 2017-05-10 13:37:22 -0600 |
commit | 8880efbd1ffd54bcddb427229ff925151a054257 (patch) | |
tree | 8f82beb1e9a331d499f342c8e9ac21c6df5a1902 /drivers/misc | |
parent | 26e2e404b71bb1f538247817ded404ecf86e9cca (diff) | |
download | u-boot-8880efbd1ffd54bcddb427229ff925151a054257.tar.gz |
i2c_eeprom: add read and write functions
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/i2c_eeprom.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/misc/i2c_eeprom.c b/drivers/misc/i2c_eeprom.c index c9f4174bad..da6e2b05f7 100644 --- a/drivers/misc/i2c_eeprom.c +++ b/drivers/misc/i2c_eeprom.c @@ -10,21 +10,41 @@ #include <i2c.h> #include <i2c_eeprom.h> -static int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, - int size) +int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, int size) +{ + const struct i2c_eeprom_ops *ops = device_get_ops(dev); + + if (!ops->read) + return -ENOSYS; + + return ops->read(dev, offset, buf, size); +} + +int i2c_eeprom_write(struct udevice *dev, int offset, uint8_t *buf, int size) +{ + const struct i2c_eeprom_ops *ops = device_get_ops(dev); + + if (!ops->write) + return -ENOSYS; + + return ops->write(dev, offset, buf, size); +} + +static int i2c_eeprom_std_read(struct udevice *dev, int offset, uint8_t *buf, + int size) { return dm_i2c_read(dev, offset, buf, size); } -static int i2c_eeprom_write(struct udevice *dev, int offset, - const uint8_t *buf, int size) +static int i2c_eeprom_std_write(struct udevice *dev, int offset, + const uint8_t *buf, int size) { return -ENODEV; } struct i2c_eeprom_ops i2c_eeprom_std_ops = { - .read = i2c_eeprom_read, - .write = i2c_eeprom_write, + .read = i2c_eeprom_std_read, + .write = i2c_eeprom_std_write, }; static int i2c_eeprom_std_ofdata_to_platdata(struct udevice *dev) |