diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/cros_ec.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c index 5225cdb1c0..bb6e8fe91d 100644 --- a/drivers/misc/cros_ec.c +++ b/drivers/misc/cros_ec.c @@ -790,6 +790,27 @@ static int cros_ec_data_is_erased(const uint32_t *data, int size) return 1; } +/** + * Read back flash parameters + * + * This function reads back parameters of the flash as reported by the EC + * + * @param dev Pointer to device + * @param info Pointer to output flash info struct + */ +int cros_ec_read_flashinfo(struct cros_ec_dev *dev, + struct ec_response_flash_info *info) +{ + int ret; + + ret = ec_command(dev, EC_CMD_FLASH_INFO, 0, + NULL, 0, info, sizeof(*info)); + if (ret < 0) + return ret; + + return ret < sizeof(*info) ? -1 : 0; +} + int cros_ec_flash_write(struct cros_ec_dev *dev, const uint8_t *data, uint32_t offset, uint32_t size) { |