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-rw-r--r--include/linux/mfd/cros_ec.h19
1 files changed, 6 insertions, 13 deletions
diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h
index 2b0c5982dbc1..60c088055f3a 100644
--- a/include/linux/mfd/cros_ec.h
+++ b/include/linux/mfd/cros_ec.h
@@ -63,9 +63,10 @@ struct cros_ec_command {
* @was_wake_device: true if this device was set to wake the system from
* sleep at the last suspend
* @event_notifier: interrupt event notifier for transport devices
- * @command_send: send a command
- * @command_recv: receive a response
- * @command_sendrecv: send a command and receive a response
+ * @cmd_xfer: send command to EC and get response
+ * Returns 0 if the communication succeeded, but that doesn't mean the EC
+ * was happy with the command it got. Caller should check msg.result for
+ * the EC's result code.
*
* @priv: Private data
* @irq: Interrupt to use
@@ -83,7 +84,6 @@ struct cros_ec_command {
* @parent: pointer to parent device (e.g. i2c or spi device)
* @wake_enabled: true if this device can wake the system from sleep
* @lock: one transaction at a time
- * @cmd_xfer: low-level channel to the EC
*/
struct cros_ec_device {
@@ -94,13 +94,8 @@ struct cros_ec_device {
bool was_wake_device;
struct class *cros_class;
struct blocking_notifier_head event_notifier;
- int (*command_send)(struct cros_ec_device *ec,
- uint16_t cmd, void *out_buf, int out_len);
- int (*command_recv)(struct cros_ec_device *ec,
- uint16_t cmd, void *in_buf, int in_len);
- int (*command_sendrecv)(struct cros_ec_device *ec,
- uint16_t cmd, void *out_buf, int out_len,
- void *in_buf, int in_len);
+ int (*cmd_xfer)(struct cros_ec_device *ec,
+ struct cros_ec_command *msg);
/* These are used to implement the platform-specific interface */
void *priv;
@@ -112,8 +107,6 @@ struct cros_ec_device {
struct device *parent;
bool wake_enabled;
struct mutex lock;
- int (*cmd_xfer)(struct cros_ec_device *ec,
- struct cros_ec_command *msg);
};
/**