mfd: cros_ec: Use struct cros_ec_command to communicate with the EC
This is some internal structure reorganization / renaming to prepare
for future patches that will add a userspace API to cros_ec. There
should be no visible changes.
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h
index 79a3585..f27c037 100644
--- a/include/linux/mfd/cros_ec.h
+++ b/include/linux/mfd/cros_ec.h
@@ -35,23 +35,23 @@
EC_MSG_TX_PROTO_BYTES,
};
-/**
- * struct cros_ec_msg - A message sent to the EC, and its reply
- *
+/*
* @version: Command version number (often 0)
- * @cmd: Command to send (EC_CMD_...)
- * @out_buf: Outgoing payload (to EC)
- * @outlen: Outgoing length
- * @in_buf: Incoming payload (from EC)
- * @in_len: Incoming length
+ * @command: Command to send (EC_CMD_...)
+ * @outdata: Outgoing data to EC
+ * @outsize: Outgoing length in bytes
+ * @indata: Where to put the incoming data from EC
+ * @insize: Incoming length in bytes (filled in by EC)
+ * @result: EC's response to the command (separate from communication failure)
*/
-struct cros_ec_msg {
- u8 version;
- u8 cmd;
- uint8_t *out_buf;
- int out_len;
- uint8_t *in_buf;
- int in_len;
+struct cros_ec_command {
+ uint32_t version;
+ uint32_t command;
+ uint8_t *outdata;
+ uint32_t outsize;
+ uint8_t *indata;
+ uint32_t insize;
+ uint32_t result;
};
/**
@@ -114,7 +114,8 @@
struct device *parent;
bool wake_enabled;
struct mutex lock;
- int (*cmd_xfer)(struct cros_ec_device *ec, struct cros_ec_msg *msg);
+ int (*cmd_xfer)(struct cros_ec_device *ec,
+ struct cros_ec_command *msg);
};
/**
@@ -148,7 +149,7 @@
* @msg: Message to write
*/
int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
- struct cros_ec_msg *msg);
+ struct cros_ec_command *msg);
/**
* cros_ec_remove - Remove a ChromeOS EC