diff options
Diffstat (limited to 'drivers/spi/spi.c')
-rw-r--r-- | drivers/spi/spi.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 6435548f42d4..e0309c0a15b1 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -621,8 +621,10 @@ void spi_unregister_device(struct spi_device *spi) if (!spi) return; - if (spi->dev.of_node) + if (spi->dev.of_node) { of_node_clear_flag(spi->dev.of_node, OF_POPULATED); + of_node_put(spi->dev.of_node); + } if (ACPI_COMPANION(&spi->dev)) acpi_device_clear_enumerated(ACPI_COMPANION(&spi->dev)); device_unregister(&spi->dev); @@ -800,12 +802,12 @@ static int __spi_map_msg(struct spi_master *master, struct spi_message *msg) if (master->dma_tx) tx_dev = master->dma_tx->device->dev; else - tx_dev = &master->dev; + tx_dev = master->dev.parent; if (master->dma_rx) rx_dev = master->dma_rx->device->dev; else - rx_dev = &master->dev; + rx_dev = master->dev.parent; list_for_each_entry(xfer, &msg->transfers, transfer_list) { if (!master->can_dma(master, msg->spi, xfer)) @@ -847,12 +849,12 @@ static int __spi_unmap_msg(struct spi_master *master, struct spi_message *msg) if (master->dma_tx) tx_dev = master->dma_tx->device->dev; else - tx_dev = &master->dev; + tx_dev = master->dev.parent; if (master->dma_rx) rx_dev = master->dma_rx->device->dev; else - rx_dev = &master->dev; + rx_dev = master->dev.parent; list_for_each_entry(xfer, &msg->transfers, transfer_list) { if (!master->can_dma(master, msg->spi, xfer)) @@ -1007,7 +1009,7 @@ static int spi_transfer_one_message(struct spi_master *master, ret = 0; ms = 8LL * 1000LL * xfer->len; do_div(ms, xfer->speed_hz); - ms += ms + 100; /* some tolerance */ + ms += ms + 200; /* some tolerance */ if (ms > UINT_MAX) ms = UINT_MAX; @@ -1592,11 +1594,13 @@ of_register_spi_device(struct spi_master *master, struct device_node *nc) if (rc) { dev_err(&master->dev, "spi_device register error %s\n", nc->full_name); - goto err_out; + goto err_of_node_put; } return spi; +err_of_node_put: + of_node_put(nc); err_out: spi_dev_put(spi); return ERR_PTR(rc); |