mfd: cros_ec: Remove parent field

Parent and device were pointing to the same device structure.

Parent is unused, removed.
Signed-off-by: NGwendal Grignou <gwendal@chromium.org>
Tested-by: NStephen Barber <smbarber@chromium.org>
Tested-by: NHeiko Stuebner <heiko@sntech.de>
Tested-by: NGwendal Grignou <gwendal@chromium.org>
Reviewed-by: NPuthikorn Voravootivat <puthik@chromium.org>
Signed-off-by: NJavier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

drivers/mfd/cros_ec_i2c.c

@@ -145,7 +145,6 @@ static int cros_ec_i2c_probe(struct i2c_client *client,
 	ec_dev->cmd_xfer = cros_ec_cmd_xfer_i2c;
 	ec_dev->ec_name = client->name;
 	ec_dev->phys_name = client->adapter->name;
-	ec_dev->parent = &client->dev;
 
 	err = cros_ec_register(ec_dev);
 	if (err) {

drivers/mfd/cros_ec_spi.c

@@ -363,7 +363,6 @@ static int cros_ec_spi_probe(struct spi_device *spi)
 	ec_dev->cmd_xfer = cros_ec_cmd_xfer_spi;
 	ec_dev->ec_name = ec_spi->spi->modalias;
 	ec_dev->phys_name = dev_name(&ec_spi->spi->dev);
-	ec_dev->parent = &ec_spi->spi->dev;
 	ec_dev->din_size = EC_MSG_BYTES + EC_MSG_PREAMBLE_COUNT;
 	ec_dev->dout_size = EC_MSG_BYTES;
 

drivers/platform/chrome/cros_ec_lpc.c

@@ -214,7 +214,6 @@ static int cros_ec_lpc_probe(struct platform_device *pdev)
 	ec_dev->dev = dev;
 	ec_dev->ec_name = pdev->name;
 	ec_dev->phys_name = dev_name(dev);
-	ec_dev->parent = dev;
 	ec_dev->cmd_xfer = cros_ec_cmd_xfer_lpc;
 	ec_dev->cmd_readmem = cros_ec_lpc_readmem;
 

include/linux/mfd/cros_ec.h

@@ -85,7 +85,6 @@ struct cros_ec_command {
  * to using dword.
  * @din_size: size of din buffer to allocate (zero to use static din)
  * @dout_size: size of dout buffer to allocate (zero to use static dout)
- * @parent: pointer to parent device (e.g. i2c or spi device)
  * @wake_enabled: true if this device can wake the system from sleep
  * @cmd_xfer: send command to EC and get response
  *     Returns the number of bytes received if the communication succeeded, but
@@ -113,7 +112,6 @@ struct cros_ec_device {
 	uint8_t *dout;
 	int din_size;
 	int dout_size;
-	struct device *parent;
 	bool wake_enabled;
 	int (*cmd_xfer)(struct cros_ec_device *ec,
 			struct cros_ec_command *msg);