trans.delay_usecs = ec_spi->end_of_msg_delay;
spi_message_add_tail(&trans, &msg);
- ret = spi_sync(ec_spi->spi, &msg);
+ ret = spi_sync_locked(ec_spi->spi, &msg);
/* Reset end-of-response timer */
ec_spi->last_transfer_ns = ktime_get_ns();
spi_message_init(&msg);
spi_message_add_tail(&trans, &msg);
- ret = spi_sync(ec_spi->spi, &msg);
+ ret = spi_sync_locked(ec_spi->spi, &msg);
if (ret < 0)
dev_err(ec_dev->dev, "spi transfer failed: %d\n", ret);
}
rx_buf = kzalloc(len, GFP_KERNEL);
- if (!rx_buf) {
- ret = -ENOMEM;
- goto exit;
- }
+ if (!rx_buf)
+ return -ENOMEM;
+
+ spi_bus_lock(ec_spi->spi->master);
/*
* Leave a gap between CS assertion and clocking of data to allow the
trans.len = len;
trans.cs_change = 1;
spi_message_add_tail(&trans, &msg);
- ret = spi_sync(ec_spi->spi, &msg);
+ ret = spi_sync_locked(ec_spi->spi, &msg);
/* Get the response */
if (!ret) {
}
final_ret = terminate_request(ec_dev);
+
+ spi_bus_unlock(ec_spi->spi->master);
+
if (!ret)
ret = final_ret;
if (ret < 0)
}
rx_buf = kzalloc(len, GFP_KERNEL);
- if (!rx_buf) {
- ret = -ENOMEM;
- goto exit;
- }
+ if (!rx_buf)
+ return -ENOMEM;
+
+ spi_bus_lock(ec_spi->spi->master);
/* Transmit phase - send our message */
debug_packet(ec_dev->dev, "out", ec_dev->dout, len);
trans.cs_change = 1;
spi_message_init(&msg);
spi_message_add_tail(&trans, &msg);
- ret = spi_sync(ec_spi->spi, &msg);
+ ret = spi_sync_locked(ec_spi->spi, &msg);
/* Get the response */
if (!ret) {
}
final_ret = terminate_request(ec_dev);
+
+ spi_bus_unlock(ec_spi->spi->master);
+
if (!ret)
ret = final_ret;
if (ret < 0)