diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-cros-ec-tunnel.c | 15 | ||||
| -rw-r--r-- | drivers/input/keyboard/cros_ec_keyb.c | 12 | ||||
| -rw-r--r-- | drivers/mfd/cros_ec.c | 32 | ||||
| -rw-r--r-- | include/linux/mfd/cros_ec.h | 19 |
4 files changed, 27 insertions, 51 deletions
diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c index 8e7a71487bb1..dd07818d03d0 100644 --- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c +++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c @@ -183,6 +183,7 @@ static int ec_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg i2c_msgs[], u8 *request = NULL; u8 *response = NULL; int result; + struct cros_ec_command msg; request_len = ec_i2c_count_message(i2c_msgs, num); if (request_len < 0) { @@ -218,9 +219,15 @@ static int ec_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg i2c_msgs[], } ec_i2c_construct_message(request, i2c_msgs, num, bus_num); - result = bus->ec->command_sendrecv(bus->ec, EC_CMD_I2C_PASSTHRU, - request, request_len, - response, response_len); + + msg.version = 0; + msg.command = EC_CMD_I2C_PASSTHRU; + msg.outdata = request; + msg.outsize = request_len; + msg.indata = response; + msg.insize = response_len; + + result = bus->ec->cmd_xfer(bus->ec, &msg); if (result) goto exit; @@ -258,7 +265,7 @@ static int ec_i2c_probe(struct platform_device *pdev) u32 remote_bus; int err; - if (!ec->command_sendrecv) { + if (!ec->cmd_xfer) { dev_err(dev, "Missing sendrecv\n"); return -EINVAL; } diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c index 408379669d3c..b8341ab99f55 100644 --- a/drivers/input/keyboard/cros_ec_keyb.c +++ b/drivers/input/keyboard/cros_ec_keyb.c @@ -191,8 +191,16 @@ static void cros_ec_keyb_close(struct input_dev *dev) static int cros_ec_keyb_get_state(struct cros_ec_keyb *ckdev, uint8_t *kb_state) { - return ckdev->ec->command_recv(ckdev->ec, EC_CMD_MKBP_STATE, - kb_state, ckdev->cols); + struct cros_ec_command msg = { + .version = 0, + .command = EC_CMD_MKBP_STATE, + .outdata = NULL, + .outsize = 0, + .indata = kb_state, + .insize = ckdev->cols, + }; + + return ckdev->ec->cmd_xfer(ckdev->ec, &msg); } static int cros_ec_keyb_work(struct notifier_block *nb, diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c index 49ed8c340868..4851ed2fbe31 100644 --- a/drivers/mfd/cros_ec.c +++ b/drivers/mfd/cros_ec.c @@ -44,34 +44,6 @@ int cros_ec_prepare_tx(struct cros_ec_device *ec_dev, } EXPORT_SYMBOL(cros_ec_prepare_tx); -static int cros_ec_command_sendrecv(struct cros_ec_device *ec_dev, - uint16_t cmd, void *out_buf, int out_len, - void *in_buf, int in_len) -{ - struct cros_ec_command msg; - - msg.version = cmd >> 8; - msg.command = cmd & 0xff; - msg.outdata = out_buf; - msg.outsize = out_len; - msg.indata = in_buf; - msg.insize = in_len; - - return ec_dev->cmd_xfer(ec_dev, &msg); -} - -static int cros_ec_command_recv(struct cros_ec_device *ec_dev, - uint16_t cmd, void *buf, int buf_len) -{ - return cros_ec_command_sendrecv(ec_dev, cmd, NULL, 0, buf, buf_len); -} - -static int cros_ec_command_send(struct cros_ec_device *ec_dev, - uint16_t cmd, void *buf, int buf_len) -{ - return cros_ec_command_sendrecv(ec_dev, cmd, buf, buf_len, NULL, 0); -} - static irqreturn_t ec_irq_thread(int irq, void *data) { struct cros_ec_device *ec_dev = data; @@ -104,10 +76,6 @@ int cros_ec_register(struct cros_ec_device *ec_dev) BLOCKING_INIT_NOTIFIER_HEAD(&ec_dev->event_notifier); - ec_dev->command_send = cros_ec_command_send; - ec_dev->command_recv = cros_ec_command_recv; - ec_dev->command_sendrecv = cros_ec_command_sendrecv; - if (ec_dev->din_size) { ec_dev->din = devm_kzalloc(dev, ec_dev->din_size, GFP_KERNEL); if (!ec_dev->din) 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); }; /** |