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Commit ac440473 authored by Alex Yakavenka's avatar Alex Yakavenka
Browse files

can: Don't sent fw_br command 



Older versions of rh850 get stuck when
fw_br command received.

Change-Id: I5d3e8e31bd1d808448651fa665604dba8171f0c8
Signed-off-by: default avatarAlex Yakavenka <ayakav@codeaurora.org>
parent d71271a8

drivers/net/can/spi/rh850.c

+0 −25
Original line number Diff line number Diff line
@@ -444,30 +444,6 @@ static int rh850_query_firmware_version(struct rh850_can *priv_data) 
	return ret;

}



static int rh850_query_firmware_br_version(struct rh850_can *priv_data)

{

	char *tx_buf, *rx_buf;

	int ret;

	struct spi_mosi *req;



	mutex_lock(&priv_data->spi_lock);

	tx_buf = priv_data->tx_buf;

	rx_buf = priv_data->rx_buf;

	memset(tx_buf, 0, XFER_BUFFER_SIZE);

	memset(rx_buf, 0, XFER_BUFFER_SIZE);

	priv_data->xfer_length = XFER_BUFFER_SIZE;



	req = (struct spi_mosi *)tx_buf;

	req->cmd = CMD_GET_FW_BR_VERSION;

	req->len = 0;

	req->seq = atomic_inc_return(&priv_data->msg_seq);



	ret = rh850_do_spi_transaction(priv_data);

	mutex_unlock(&priv_data->spi_lock);



	return ret;

}



static int rh850_set_bitrate(struct net_device *netdev)

{

	char *tx_buf, *rx_buf;
@@ -1048,7 +1024,6 @@ static int rh850_probe(struct spi_device *spi) 
	dev_info(dev, "Request irq %d ret %d\n", spi->irq, err);



	rh850_query_firmware_version(priv_data);

	rh850_query_firmware_br_version(priv_data);

	return 0;



unregister_candev: